Inflect-v2 / index.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Inflect v2 · studio</title>
<link rel="icon" href="/web_runtime/favicon.svg" type="image/svg+xml" />
<style>
:root{
color-scheme:dark;
--bg:#000000;--bg-2:#08090a;
--surface:#16181a;--surface-2:#1c1e20;--inset:#101213;
--well:#0c0d0e;
--ink:#f5f5f7;--muted:#98989d;--dim:#6c6c70;
--line:#2a2c2e;--line-soft:#232527;--line-faint:#1d1f21;
--accent:#0a84ff;--accent-press:#3a9bff;--accent-glow:rgba(10,132,255,.4);
--teal:#30d4c2;--amber:#ff9f0a;--green:#30d158;--warn:#ff453a;
--shadow:0 1px 3px rgba(0,0,0,.4),0 8px 28px rgba(0,0,0,.5);
--shadow-lg:0 2px 8px rgba(0,0,0,.45),0 24px 60px rgba(0,0,0,.6);
--ring:0 0 0 4px rgba(10,132,255,.22);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
background:
radial-gradient(90% 60% at 50% -8%,rgba(10,132,255,.08),transparent 60%),
var(--bg);
color:var(--ink);
font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display",Inter,ui-sans-serif,"Segoe UI",sans-serif;
line-height:1.5;-webkit-font-smoothing:antialiased;letter-spacing:-.003em;
min-height:100vh;display:flex;flex-direction:column;
}
.mono{font-family:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace}
/* ---- top bar ---- */
.topbar{
display:flex;align-items:center;gap:16px;padding:13px clamp(16px,4vw,40px);
background:rgba(0,0,0,.62);backdrop-filter:saturate(180%) blur(20px);
border-bottom:1px solid var(--line-soft);position:sticky;top:0;z-index:20;
}
.brand{display:flex;align-items:center;gap:11px}
.logo{width:32px;height:32px;border-radius:9px;flex-shrink:0;background:linear-gradient(140deg,#2bd4c4,#0a7a6e);display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(43,212,196,.35)}
.logo svg{width:17px;height:17px}
.brand .name{font-weight:600;font-size:15px;letter-spacing:-.01em;line-height:1.05}
.brand .name small{display:block;font-weight:400;font-size:11px;color:var(--muted);margin-top:1px}
.spacer{flex:1}
.meters{display:flex;align-items:center;gap:16px}
.meter{display:flex;flex-direction:column;gap:2px;align-items:flex-end}
.meter .lab{font:600 9px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.meter .val{font:600 12px/1 var(--mono);color:var(--ink);font-variant-numeric:tabular-nums}
.meter .val.accent{color:var(--teal)}
.led{width:9px;height:9px;border-radius:50%;background:var(--dim);transition:background .2s,box-shadow .2s}
.led.on{background:var(--teal);box-shadow:0 0 10px rgba(48,212,194,.8)}
.led.busy{background:var(--accent);box-shadow:0 0 10px var(--accent-glow);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.4}}
.segctrl{display:inline-flex;background:rgba(120,120,128,.18);border-radius:10px;padding:2px;gap:2px}
.segctrl button{appearance:none;border:0;background:transparent;color:var(--muted);cursor:pointer;font:inherit;font-size:13px;font-weight:550;padding:6px 16px;border-radius:8px;transition:color .18s,background .18s,box-shadow .18s}
.segctrl button.active{background:var(--surface-2);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.4),0 0 0 1px var(--line)}
.link{color:var(--muted);font-size:13px;font-weight:450;text-decoration:none;padding:7px 9px;border-radius:8px;transition:color .15s,background .15s}
.link:hover{color:var(--ink);background:rgba(255,255,255,.06)}
/* ---- shell ---- */
.shell{flex:1;display:flex;flex-direction:column;min-height:0}
.pane{display:none;flex:1;min-height:0;flex-direction:column}
.pane.active{display:flex}
.stage-scroll{flex:1;overflow-y:auto}
.page{max-width:820px;margin:0 auto;padding:28px clamp(16px,4vw,40px) 80px;width:100%}
/* ---- cards ---- */
.card{background:var(--surface);border:1px solid var(--line-soft);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.card+.card{margin-top:16px}
.card-pad{padding:20px 22px}
.card-head{display:flex;align-items:center;gap:11px;padding:15px 20px;border-bottom:1px solid var(--line-soft);background:linear-gradient(180deg,rgba(255,255,255,.02),transparent)}
.card-head .tag{font:600 10px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.card-head .ic{width:26px;height:26px;border-radius:7px;background:var(--inset);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--teal)}
.card-head .grow{flex:1}
.label{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:9px;display:block;letter-spacing:-.01em}
textarea,input[type="text"],input[type="number"]{
width:100%;background:var(--well);color:var(--ink);border:1px solid var(--line);border-radius:12px;
padding:14px 15px;font-size:16px;font-family:inherit;outline:none;transition:border-color .15s,box-shadow .15s;line-height:1.5;
}
textarea::placeholder,input::placeholder{color:var(--dim)}
textarea:focus,input:focus{border-color:var(--accent);box-shadow:var(--ring)}
textarea{min-height:108px;resize:vertical}
.examples{display:flex;flex-wrap:wrap;gap:8px;margin-top:11px}
.examples button{background:var(--inset);border:1px solid var(--line-soft);border-radius:100px;color:var(--muted);font-size:12px;padding:6px 13px;cursor:pointer;transition:all .15s;font-family:inherit}
.examples button:hover{color:var(--teal);border-color:var(--teal);background:rgba(48,212,194,.08)}
/* segmented (model) */
.segmented{display:flex;background:var(--inset);border:1px solid var(--line-soft);border-radius:12px;padding:3px;gap:3px}
.segmented label{flex:1;position:relative}
.segmented input{position:absolute;opacity:0;width:0;height:0}
.segmented label span{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px 10px;border-radius:9px;cursor:pointer;transition:background .15s,box-shadow .15s;text-align:center}
.segmented label strong{font-size:13px;font-weight:550;color:var(--muted);transition:color .15s}
.segmented label small{font-size:11px;color:var(--dim);margin-top:2px;font-weight:400;transition:color .15s}
.segmented label input:checked+span{background:var(--surface-2);box-shadow:0 0 0 1px var(--line),0 1px 3px rgba(0,0,0,.4)}
.segmented label input:checked+span strong{color:var(--ink)}
.segmented label input:checked+span small{color:var(--muted)}
/* grouped rows */
.group{background:var(--inset);border:1px solid var(--line-soft);border-radius:12px;overflow:hidden}
.row{padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.row+.row{border-top:1px solid var(--line-faint)}
.row .top{display:flex;justify-content:space-between;align-items:center}
.row .top label{font-size:15px;font-weight:500;color:var(--ink);margin:0}
.row .top .val{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums;font-weight:500}
input[type="range"]{-webkit-appearance:none;appearance:none;width:100%;height:4px;background:var(--line);border-radius:4px;outline:none}
input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:var(--surface-2);cursor:pointer;border:0;box-shadow:0 0 0 1px var(--line),0 2px 8px rgba(0,0,0,.5);transition:transform .1s}
input[type="range"]::-webkit-slider-thumb:hover{transform:scale(1.08)}
input[type="range"]::-webkit-slider-thumb:active{transform:scale(1.12);box-shadow:0 0 0 1px var(--accent),var(--ring)}
input[type="range"]::-moz-range-thumb{width:22px;height:22px;border:0;border-radius:50%;background:var(--surface-2);cursor:pointer;box-shadow:0 0 0 1px var(--line),0 2px 8px rgba(0,0,0,.5)}
.row small{font-size:12px;color:var(--muted);margin-top:-2px;line-height:1.4}
/* advanced disclosure */
details.adv{margin-top:16px;border:1px solid var(--line-soft);border-radius:12px;background:var(--surface-2);overflow:hidden}
details.adv summary{list-style:none;padding:14px 16px;cursor:pointer;display:flex;align-items:center;gap:10px;font-size:15px;font-weight:500;color:var(--ink)}
details.adv summary::-webkit-details-marker{display:none}
details.adv summary .chev{margin-left:auto;color:var(--muted);transition:transform .22s ease;font-size:13px}
details.adv[open] summary .chev{transform:rotate(90deg)}
details.adv summary .dot-i{width:7px;height:7px;border-radius:50%;background:var(--dim)}
details.adv .body{padding:0 16px 16px;display:grid;grid-template-columns:1fr;gap:0}
details.adv .body .group{border:1px solid var(--line-soft)}
/* actions */
.actions{display:flex;gap:12px;margin-top:18px;align-items:stretch}
.btn{display:flex;align-items:center;justify-content:center;gap:9px;border-radius:14px;cursor:pointer;font:inherit;font-size:16px;font-weight:560;border:0;transition:background .15s,transform .05s,box-shadow .15s}
.btn:active{transform:scale(.985)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.primary{flex:1;min-height:52px;background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(10,132,255,.4),0 6px 20px rgba(10,132,255,.3)}
.btn.primary:hover{background:var(--accent-press)}
.btn.secondary{background:var(--surface-2);color:var(--ink);min-height:52px;padding:0 20px;border:1px solid var(--line)}
.btn.secondary:hover{background:#26292b}
.kbd{font-size:11px;font-weight:500;opacity:.75;padding:2px 6px;border-radius:5px;background:rgba(255,255,255,.16)}
/* status */
.status{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.55;min-height:1.2em;display:flex;align-items:center;gap:9px}
.status .dot{width:8px;height:8px;border-radius:50%;background:var(--dim);flex-shrink:0;transition:background .2s,box-shadow .2s}
.status.ok .dot{background:var(--green);box-shadow:0 0 0 3px rgba(48,209,88,.2)}
.status.busy .dot{background:var(--accent);animation:pulse 1s infinite}
.status.err .dot{background:var(--warn);box-shadow:0 0 0 3px rgba(255,69,58,.2)}
.status .txt{min-width:0}
.status .txt b{color:var(--ink);font-weight:600}
.status .txt code{font-family:var(--mono);font-size:12px;background:var(--inset);padding:1px 5px;border-radius:5px;color:var(--muted)}
.queue{font-size:12px;color:var(--accent);white-space:nowrap}
.busy-spin{display:inline-block;width:13px;height:13px;border:2.5px solid var(--accent);border-top-color:transparent;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
/* ---- player ---- */
.player{display:none}
.player.show{display:block;animation:rise .42s cubic-bezier(.22,1,.36,1)}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.np{display:flex;align-items:center;gap:13px;margin-bottom:16px}
.np-badge{width:44px;height:44px;border-radius:11px;flex-shrink:0;background:linear-gradient(140deg,#34d8c8,#0a7a6e);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 3px 12px rgba(14,143,130,.45);transition:box-shadow .25s}
.np-badge.playing{box-shadow:0 3px 12px rgba(14,143,130,.6),0 0 0 5px rgba(48,212,196,.18)}
.np-text{min-width:0}
.np-text .title{font-size:16px;font-weight:600;letter-spacing:-.01em}
.np-text .sub{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.scrub-row{display:flex;align-items:center;gap:13px;margin-bottom:12px}
.tc{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;min-width:38px;text-align:center;font-weight:500}
.tc.now{color:var(--accent)}
.wave{position:relative;flex:1;min-width:0;height:72px;background:var(--well);border:1px solid var(--line-faint);border-radius:10px;overflow:hidden;cursor:pointer}
.wave canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.wave .ph{position:absolute;top:0;bottom:0;width:2px;background:var(--accent);box-shadow:0 0 10px var(--accent-glow);pointer-events:none;transform:translateX(-1px);border-radius:2px}
.wave .center{position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line-faint);pointer-events:none}
.seek{width:100%}
.tctrl{display:flex;align-items:center;gap:11px;margin-bottom:6px}
.tbtn{width:30px;height:30px;border-radius:50%;border:0;background:transparent;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:color .15s,background .15s;font-size:14px}
.tbtn:hover{color:var(--ink);background:var(--inset)}
.tbtn:disabled{opacity:.35;cursor:not-allowed}
.tbtn.play{width:50px;height:50px;background:var(--accent);color:#fff;font-size:17px;box-shadow:0 2px 10px var(--accent-glow)}
.tbtn.play:hover{background:var(--accent-press)}
.tbtn.play:disabled{background:var(--line);color:var(--dim);box-shadow:none}
/* meters */
.meterbars{display:flex;gap:4px;align-items:flex-end;height:30px;margin-top:6px;padding:0 2px}
.meterbars .bar{flex:1;background:var(--line);border-radius:2px;min-height:3px;transition:height .06s linear,background .1s}
.meterbars .bar.lev{background:linear-gradient(180deg,var(--teal),#0a7a6e)}
.meterbars .bar.peak{background:var(--amber)}
/* karaoke */
.script{margin-top:16px;padding:16px 4px 4px;font-size:19px;line-height:1.85;letter-spacing:.001em;color:var(--muted);max-width:680px}
.script .empty{font-size:14px;color:var(--dim)}
.karaoke .chunk{display:inline;color:#5c5d61;transition:color .25s ease,background-color .18s ease;border-radius:3px;padding:0 1px}
.karaoke .chunk.spoken{color:#8a8b90}
.karaoke .chunk.speaking{color:var(--ink)}
.karaoke .chunk.speaking::after{content:"";display:inline-block;width:3px;height:1.1em;background:var(--accent);margin-left:2px;vertical-align:-3px;border-radius:1px;animation:blink 1.05s steps(2) infinite}
@keyframes blink{50%{opacity:.25}}
/* tools */
.tools{display:flex;align-items:center;gap:14px;margin-top:14px;flex-wrap:wrap}
a.dl{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:100px;background:var(--surface-2);color:var(--ink);font-size:13px;font-weight:500;text-decoration:none;border:1px solid var(--line);transition:all .15s}
a.dl:hover{background:rgba(10,132,255,.12);color:var(--accent);border-color:var(--accent)}
.chip{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
/* compare */
.cmp-wrap{display:none}
.cmp-wrap.show{display:block;animation:rise .42s cubic-bezier(.22,1,.36,1)}
.cmp-title{font-size:13px;font-weight:600;color:var(--muted);margin:30px 0 12px;display:flex;align-items:center;gap:9px}
.cmp-title .line{flex:1;height:1px;background:var(--line-soft)}
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.track{background:var(--surface);border:1px solid var(--line-soft);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.track .th{padding:14px 16px 0;display:flex;align-items:center;gap:9px}
.track .th .dot{width:9px;height:9px;border-radius:50%}
.track .th .nm{font-size:14px;font-weight:600}
.track .th .nm small{display:block;font-size:11px;color:var(--muted);font-weight:400;margin-top:1px}
.track .tb{padding:10px 16px 16px}
.mini-wave{position:relative;height:50px;background:var(--well);border:1px solid var(--line-faint);border-radius:8px;overflow:hidden;cursor:pointer;margin-bottom:10px}
.mini-wave canvas{position:absolute;inset:0;width:100%;height:100%}
.mini-wave .ph{position:absolute;top:0;bottom:0;width:2px;background:var(--accent);pointer-events:none;transform:translateX(-1px)}
.mini-ctrl{display:flex;align-items:center;gap:10px}
.mini-play{width:34px;height:34px;border-radius:50%;border:0;background:var(--accent);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,transform .1s;font-size:12px;box-shadow:0 2px 8px var(--accent-glow)}
.mini-play:hover{background:var(--accent-press)}
.mini-play:active{transform:scale(.94)}
.mini-play:disabled{background:var(--line);box-shadow:none;cursor:not-allowed}
.mini-tc{font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.mini-tc .now{color:var(--accent)}
.mini-seek{flex:1;min-width:0}
.mini-dl{font-size:12px;padding:6px 11px;border-radius:100px}
/* browser pane */
.browser-pane{flex:1;display:flex;flex-direction:column;min-height:0}
.browser-head{padding:20px clamp(16px,4vw,40px) 0;max-width:820px;margin:0 auto;width:100%}
.browser-head h2{margin:0 0 5px;font-size:17px;font-weight:600}
.browser-head p{margin:0;color:var(--muted);font-size:13px;max-width:640px;line-height:1.5}
.browser-frame-shell{flex:1;min-height:0;margin:16px clamp(16px,4vw,40px);border:1px solid var(--line-soft);border-radius:18px;background:#000;overflow:hidden;box-shadow:var(--shadow-lg)}
.browser-frame{display:block;width:100%;height:580px;border:0;background:#000}
.browser-help{margin:0 clamp(16px,4vw,40px) 28px;color:var(--muted);font-size:12px;line-height:1.55;max-width:820px;margin-left:auto;margin-right:auto}
.fineprint{margin-top:30px;font-size:11.5px;color:var(--dim);line-height:1.6;text-align:center;max-width:560px;margin-left:auto;margin-right:auto}
.hidden{display:none!important}
@media(max-width:680px){
.page{padding:18px 14px 56px}
.meters{display:none}
.compare-grid{grid-template-columns:1fr}
details.adv .body{grid-template-columns:1fr}
.browser-frame{height:1000px}
.actions{flex-direction:column}
.btn.secondary{padding:0 20px;min-height:48px}
.card-pad{padding:18px 16px}
.script{font-size:17px;line-height:1.8}
.tctrl{flex-wrap:wrap}
a.dl{margin-left:0}
.np-badge{width:40px;height:40px}
}
@media(max-width:520px){
.topbar{padding:11px 14px;gap:10px}
.brand .name small{display:none}
.link:not(.always){display:none}
.segctrl button{padding:6px 12px;font-size:12px}
.scrub-row{flex-wrap:nowrap;gap:9px}
.wave{height:56px}
.tc{min-width:34px;font-size:11px}
.tbtn{width:28px;height:28px}
.tbtn.play{width:46px;height:46px}
.mini-seek{display:none}
.mini-tc{font-size:11px}
.meterbars{height:24px}
}
@media(max-width:380px){
.brand .name{font-size:14px}
.logo{width:28px;height:28px}
.segctrl button{padding:6px 10px}
}
</style>
</head>
<body>
<header class="topbar">
<div class="brand">
<div class="logo" aria-hidden="true">
<svg viewBox="0 0 24 24" fill="none"><path d="M9 18V6l10-2v12" stroke="#fff" stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round"/><circle cx="7" cy="18" r="2.4" fill="#fff"/><circle cx="17" cy="16" r="2.4" fill="#fff"/></svg>
</div>
<div class="name">Inflect v2<small>speech studio</small></div>
</div>
<div class="spacer"></div>
<div class="meters">
<div class="meter"><span class="lab">Rate</span><span class="val" id="m-sr">24 kHz</span></div>
<div class="meter"><span class="lab">RTF</span><span class="val accent" id="m-rtf"></span></div>
<div class="led" id="status-led" title="Idle"></div>
</div>
<div class="segctrl" role="tablist">
<button class="active" id="tab-hosted" role="tab">Hosted</button>
<button id="tab-browser" role="tab">Browser</button>
</div>
<a class="link always" href="https://github.com/owenawsong/Inflect" target="_blank" rel="noopener">GitHub</a>
</header>
<div class="shell">
<!-- HOSTED -->
<section id="pane-hosted" class="pane active">
<div class="stage-scroll">
<div class="page">
<div class="card">
<div class="card-head"><span class="ic"><svg width="15" height="15" viewBox="0 0 24 24" fill="none"><path d="M9 18V6l10-2v12" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/><circle cx="7" cy="18" r="2" fill="currentColor"/><circle cx="17" cy="16" r="2" fill="currentColor"/></svg></span><span class="tag">Script</span></div>
<div class="card-pad">
<label class="label" for="text">What should Inflect say?</label>
<textarea id="text" placeholder="Write a sentence, paragraph, or script…">Wait, are you actually being for real? I thought the train left twenty minutes ago!</textarea>
<div class="examples" id="examples"></div>
</div>
</div>
<div class="card">
<div class="card-head"><span class="ic"><svg width="15" height="15" viewBox="0 0 24 24" fill="none"><circle cx="12" cy="12" r="9" stroke="currentColor" stroke-width="1.8"/><path d="M7 10c2-1.5 8-1.5 10 0M8 13c1.6-1 6.4-1 8 0" stroke="currentColor" stroke-width="1.6" stroke-linecap="round"/></svg></span><span class="tag">Voice &amp; Delivery</span></div>
<div class="card-pad">
<label class="label">Voice model</label>
<div class="segmented" id="model-seg">
<label><input type="radio" name="model" value="Inflect Micro v2" checked><span><strong>Micro v2</strong><small>Higher quality · 9.36M</small></span></label>
<label><input type="radio" name="model" value="Inflect Nano v2"><span><strong>Nano v2</strong><small>Lighter · 3.96M</small></span></label>
</div>
<details class="adv">
<summary><span class="dot-i"></span><span>Advanced</span><span class="chev"></span></summary>
<div class="body">
<div class="group">
<div class="row">
<div class="top"><label for="speed">Speaking speed</label><span class="val" id="speed-val">1.00×</span></div>
<input type="range" id="speed" min="0.7" max="1.35" step="0.01" value="1.0">
</div>
<div class="row">
<div class="top"><label for="variation">Delivery variation</label><span class="val" id="variation-val">Steady</span></div>
<input type="range" id="variation" min="0" max="1" step="0.001" value="0.667">
<small>Lower is steadier; higher gives each take more character.</small>
</div>
<div class="row">
<div class="top"><label for="pitch">Pitch shift</label><span class="val" id="pitch-val">0 st</span></div>
<input type="range" id="pitch" min="-2" max="2" step="0.25" value="0">
</div>
<div class="row">
<div class="top"><label for="seed">Repeatable seed</label><span class="val" id="seed-val">0</span></div>
<input type="number" id="seed" value="0" step="1" inputmode="numeric">
</div>
</div>
</div>
</details>
<div class="actions">
<button class="btn primary" id="generate">Generate<span class="kbd">⌘↵</span></button>
<button class="btn secondary" id="compare-btn">Compare models</button>
</div>
<div class="status" id="status"><span class="dot"></span><span class="txt" id="status-txt">Ready.</span><span class="queue hidden" id="queue"></span></div>
</div>
</div>
<!-- player -->
<div class="card player" id="player">
<div class="card-head"><span class="ic"><svg width="15" height="15" viewBox="0 0 24 24" fill="none"><path d="M4 12h3l3-7 4 14 3-7h3" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"/></svg></span><span class="tag">Playback</span><div class="grow"></div><span class="chip" id="take-spec"></span></div>
<div class="card-pad">
<div class="np">
<div class="np-badge" id="np-badge"><svg width="19" height="19" viewBox="0 0 24 24" fill="none"><path d="M9 18V6l10-2v12" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/><circle cx="7" cy="18" r="2.2" fill="currentColor"/><circle cx="17" cy="16" r="2.2" fill="currentColor"/></svg></div>
<div class="np-text"><div class="title" id="np-title">Inflect Micro v2</div><div class="sub" id="np-sub"></div></div>
</div>
<div class="scrub-row">
<span class="tc now" id="now">0:00</span>
<div class="wave" id="wave"><canvas id="wave-canvas"></canvas><div class="center"></div><div class="ph" id="playhead" style="left:0%"></div></div>
<span class="tc" id="dur">0:00</span>
</div>
<input type="range" class="seek" id="seek" min="0" max="1000" value="0" disabled aria-label="Seek">
<div class="tctrl">
<button class="tbtn play" id="play" title="Play" disabled></button>
<button class="tbtn" id="restart" title="Restart" disabled></button>
<button class="tbtn" id="stop" title="Stop" disabled></button>
<div style="flex:1"></div>
<a class="dl" id="download" download="inflect_v2.wav">Download</a>
</div>
<div class="meterbars" id="meters" aria-hidden="true"></div>
<div class="script"><div class="karaoke fade" id="karaoke"><div class="empty">Your text will appear here, highlighting as it's spoken.</div></div></div>
</div>
</div>
<!-- compare (shown after Compare models is used) -->
<div class="cmp-wrap" id="cmp-wrap">
<div class="cmp-title"><span>Model comparison</span><span class="line"></span><span class="chip" id="cmp-chip">same text · same seed</span></div>
<div class="compare-grid">
<div class="track">
<div class="th"><span class="dot" style="background:#30d4c2"></span><span class="nm">Micro v2<small>9.36M · quality first</small></span><div style="flex:1"></div><a class="dl mini-dl" id="micro-dl" download="inflect_micro.wav">WAV</a></div>
<div class="tb">
<div class="mini-wave" id="micro-wave"><canvas id="micro-canvas"></canvas><div class="ph" id="micro-ph" style="left:0%"></div></div>
<div class="mini-ctrl">
<button class="mini-play" data-mini="micro" disabled></button>
<span class="mini-tc"><span class="now" id="micro-now">0:00</span> / <span id="micro-dur">0:00</span></span>
<input type="range" id="micro-seek" class="mini-seek" min="0" max="1000" value="0" disabled aria-label="Micro seek">
</div>
</div>
</div>
<div class="track">
<div class="th"><span class="dot" style="background:#ff9f0a"></span><span class="nm">Nano v2<small>3.96M · footprint first</small></span><div style="flex:1"></div><a class="dl mini-dl" id="nano-dl" download="inflect_nano.wav">WAV</a></div>
<div class="tb">
<div class="mini-wave" id="nano-wave"><canvas id="nano-canvas"></canvas><div class="ph" id="nano-ph" style="left:0%"></div></div>
<div class="mini-ctrl">
<button class="mini-play" data-mini="nano" disabled></button>
<span class="mini-tc"><span class="now" id="nano-now">0:00</span> / <span id="nano-dur">0:00</span></span>
<input type="range" id="nano-seek" class="mini-seek" min="0" max="1000" value="0" disabled aria-label="Nano seek">
</div>
</div>
</div>
</div>
</div>
<p class="fineprint">Fixed English voice · English-only · no voice cloning or reference audio. Uncommon names and long passages can still stumble.</p>
</div>
</div>
</section>
<!-- BROWSER -->
<section id="pane-browser" class="pane">
<div class="browser-pane">
<div class="browser-head">
<h2>Run it in your browser</h2>
<p>Your text and audio stay on this device. WebGPU is preferred; compatible browsers fall back to WASM. No queue, no server quota.</p>
</div>
<div class="browser-frame-shell">
<iframe class="browser-frame" id="webgpu-frame" src="/web_runtime/index.html?embed=1" title="Inflect browser-local runtime" allow="autoplay; webgpu" loading="eager"></iframe>
</div>
<p class="browser-help">The first run downloads the selected ONNX model and compiles it on your device. Streaming and complete-audio modes are both available inside this panel.</p>
</div>
</section>
</div>
<script type="module">
import { Client } from "https://cdn.jsdelivr.net/npm/@gradio/client/dist/index.min.js";
const $ = (id) => document.getElementById(id);
const fmtTime = (s) => { if (!Number.isFinite(s) || s < 0) s = 0; const m = Math.floor(s/60); return `${m}:${Math.floor(s%60).toString().padStart(2,"0")}`; };
const variationLabel = (v) => v < 0.2 ? "Very steady" : v < 0.45 ? "Steady" : v < 0.75 ? "Natural" : v < 0.92 ? "Expressive" : "Very expressive";
/* prompts */
const PROMPTS = [
"Wait, are you actually being for real? I thought the train left twenty minutes ago!",
"Does punctuation work? Yes: commas, semicolons, and periods should create sensible boundaries.",
"Professor Nguyen mailed the fluorescent poster to Reykjavik on Thursday.",
"Although the weather changed without warning, the musicians finished packing before anyone opened the enormous glass door.",
];
const exEl = $("examples");
PROMPTS.forEach((p) => { const b=document.createElement("button"); b.type="button"; b.textContent=p.length>42?p.slice(0,40)+"…":p; b.title=p; b.addEventListener("click",()=>{ $("text").value=p; }); exEl.appendChild(b); });
/* tabs */
const setTab = (which) => { const b = which === "browser";
$("tab-hosted").classList.toggle("active",!b); $("tab-browser").classList.toggle("active",b);
$("pane-hosted").classList.toggle("active",!b); $("pane-browser").classList.toggle("active",b);
};
$("tab-hosted").addEventListener("click",()=>setTab("hosted"));
$("tab-browser").addEventListener("click",()=>setTab("browser"));
/* readouts */
$("speed").addEventListener("input",()=>{ $("speed-val").textContent=parseFloat($("speed").value).toFixed(2)+"×"; });
$("speed-val").textContent="1.00×";
$("variation").addEventListener("input",()=>{ $("variation-val").textContent=variationLabel(parseFloat($("variation").value)); });
$("variation-val").textContent=variationLabel(parseFloat($("variation").value));
$("pitch").addEventListener("input",()=>{ $("pitch-val").textContent=parseFloat($("pitch").value).toFixed(2)+" st"; });
$("pitch-val").textContent="0.00 st";
$("seed").addEventListener("input",(e)=>{ $("seed-val").textContent=e.target.value||"0"; });
/* ---- theme the embedded browser runtime ---- */
(function(){
const frame = $("webgpu-frame");
const THEME = `
:root{color-scheme:dark}
html,body{background:#07080a !important;color:#f5f5f7 !important}
body{background:#07080a !important;color:#f5f5f7 !important;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,ui-sans-serif,sans-serif !important}
#root{background:#07080a !important;color:#f5f5f7 !important}
.surface-panel, .bg-white{background:#16181a !important;border-color:#2a2c2e !important}
.bg-slate-50, .bg-slate-50\\/80, .embedded-sidebar{background:#0e0f10 !important}
.bg-slate-100{background:#1c1e20 !important}
.border-slate-200, .border-slate-300{border-color:#2a2c2e !important}
.border-blue-600{border-color:#0a84ff !important}
.text-slate-950, .text-slate-900{color:#f5f5f7 !important}
.text-slate-700{color:#d1d1d6 !important}
.text-slate-600{color:#98989d !important}
.text-slate-500{color:#86868b !important}
.text-slate-400{color:#6c6c70 !important}
.hover\\:text-blue-600:hover{color:#4d9bff !important}
.text-blue-600{color:#4d9bff !important}
.speech-input{background:#0c0d0e !important;border-color:#2a2c2e !important;color:#f5f5f7 !important}
.speech-input:focus{border-color:#0a84ff !important;box-shadow:0 0 0 4px rgba(10,132,255,.22) !important}
.speech-input::placeholder{color:#6c6c70 !important}
textarea, input[type="text"]{background:#0c0d0e !important;color:#f5f5f7 !important;border-color:#2a2c2e !important}
.model-option-selected{background:rgba(10,132,255,.16) !important;border-color:#0a84ff !important;color:#f5f5f7 !important}
.segmented-selected{background:#0a84ff !important}
.h-full.bg-blue-500{background:#0a84ff !important}
input[type="range"]::-webkit-slider-thumb{background:#1c1e20 !important}
input[type="range"]{background:#2a2c2e !important}
:root{
--dt-bg:#0c0d0e; --dt-surface-selected:#1c2126; --dt-border:#2a2c2e;
--dt-text:#e5e5ea; --dt-text-muted:#86868b; --dt-accent:#0a84ff;
--dt-live:#30d158; --dt-paused:#ff9f0a; --dt-tree-hover:#1c1e20;
--dt-json-string:#30d158; --dt-json-number:#64d2ff; --dt-json-boolean:#ff9f0a;
--dt-json-null:#86868b; --dt-json-key:#64d2ff; --dt-json-tag:#5ac8fa;
--dt-json-preview:#86868b; --dt-json-arrow:#86868b; --dt-diff-changed:#64d2ff;
}
[style*="#f9fafb"]{background:#0c0d0e !important}
[style*="#ffffff"]{background:#16181a !important}
[style*="#f3f4f6"]{background:#0e0f10 !important;border-color:#2a2c2e !important}
[style*="#e5e7eb"]{border-color:#2a2c2e !important}
[style*="#111827"]{color:#f5f5f7 !important}
[style*="#6b7280"]{color:#98989d !important}
[style*="#dc2626"]{color:#ff453a !important}
::-webkit-scrollbar-thumb{background:#2a2c2e !important}
/* ADVANCED sections hidden by default; shown when body.studio-adv-open */
body:not(.studio-adv-open) .voice-controls{display:none !important}
body:not(.studio-adv-open) .playback-setting{display:none !important}
body:not(.studio-adv-open) .session-status{display:none !important}
body:not(.studio-adv-open) .embedded-logs{display:none !important}
/* Compute backend has no stable class — hide by JS tagging via .studio-adv-section */
.studio-adv-section{display:none !important}
body.studio-adv-open .studio-adv-section{display:flex !important}
/* compact model picker */
.model-picker{gap:8px !important}
.model-options-grid{grid-template-columns:1fr 1fr !important;gap:8px !important}
.model-option{padding:9px 11px !important;border-radius:10px !important}
.model-option .text-sm{font-size:13px !important}
.model-option .text-xs{font-size:11px !important}
.model-option>div:nth-child(3){display:none !important}
.model-option>div.mt-3{display:none !important}
.model-option .h-2.w-2{height:7px !important;width:7px !important}
/* kill empty space: stop compose/sidebar from stretching */
.embedded-compose, .embedded-sidebar{align-self:start !important;flex:0 0 auto !important}
.embedded-panel{align-items:start !important}
.embedded-grid{align-items:start !important;gap:0 !important}
.embedded-compose{gap:14px !important;padding:18px !important}
.embedded-sidebar{padding:18px !important;gap:14px !important}
/* hide empty bottom blocks */
.embedded-compose>div.border-t.border-slate-200.pt-6:empty,
.embedded-compose>div.border-t.border-slate-200.pt-6:not(:has(*)),
.embedded-compose>.flex.w-full:empty,
.embedded-compose>.flex.w-full:not(:has(*)){display:none !important}
.embedded-compose>.flex.w-full:not(:has(a:not(.hidden)):not(button)){display:none !important}
.embedded-compose>div:last-child:not(.flex):empty{display:none !important}
.section-label{font-size:11px !important;letter-spacing:.1em !important;text-transform:uppercase;color:#86868b !important}
.embedded-compose>div:first-child>h2,
.embedded-compose .text-lg{font-size:15px !important;margin-top:2px !important}
.embedded-compose .font-mono.text-\\[11px\\]{display:none !important}
.embedded-compose .flex.items-end.justify-between{margin-bottom:2px !important}
/* Advanced toggle (injected) */
.studio-adv-toggle{
appearance:none;border:1px solid #2a2c2e;background:#1c1e20;color:#f5f5f7;
border-radius:12px;padding:13px 15px;width:100%;display:flex;align-items:center;gap:10px;
font:inherit;font-size:14px;font-weight:550;cursor:pointer;margin-top:14px;
}
.studio-adv-toggle:hover{background:#26292b;border-color:#3a3d40}
.studio-adv-toggle .dot{width:7px;height:7px;border-radius:50%;background:#6c6c70;flex-shrink:0}
.studio-adv-toggle .chev{margin-left:auto;color:#98989d;transition:transform .22s ease}
body.studio-adv-open .studio-adv-toggle .chev{transform:rotate(90deg)}
@media(max-width:680px){
.dt-inspector-pane, .dt-panel, .dt-panel-wide{display:none !important}
.p-5{padding:1rem !important} .p-4{padding:0.85rem !important}
.speech-input{min-height:140px !important;font-size:16px !important}
.embedded-compose{padding:14px !important;gap:12px !important}
.embedded-sidebar{padding:14px !important;gap:12px !important}
.studio-adv-toggle{margin-top:12px;padding:12px 13px;font-size:13px}
}
`;
const tag = () => {
let doc;
try { doc = frame.contentDocument; } catch(_) { return false; }
if (!doc || !doc.getElementById("root")) return false;
if (doc.getElementById("inflect-studio-theme")) return true;
const s = doc.createElement("style");
s.id = "inflect-studio-theme";
s.textContent = THEME;
(doc.head || doc.documentElement).appendChild(s);
if (doc.documentElement){ doc.documentElement.style.background="#07080a"; doc.documentElement.style.color="#f5f5f7"; }
if (doc.body){ doc.body.style.background="#07080a"; doc.body.style.color="#f5f5f7"; }
return true;
};
const tagAdv = () => {
let doc;
try { doc = frame.contentDocument; } catch(_) { return; }
if (!doc) return;
// tag advanced sections by their label text (Compute backend, Voice controls, Runtime, etc.)
doc.querySelectorAll(".section-label").forEach((lab) => {
const t = (lab.textContent || "").trim();
if (["Compute backend","Runtime","Playback mode","Voice controls","Logs","Activity","Details"].includes(t)) {
let n = lab.parentElement;
if (n) {
n.classList.add("studio-adv-section");
if (n.parentElement && /flex|grid/.test(n.parentElement.className)) n.parentElement.classList.add("studio-adv-section");
}
}
});
// also tag the Auto/WebGPU/WASM grid (no label relationship) by being a sibling of Compute backend label
doc.querySelectorAll(".grid.grid-cols-3").forEach((g) => {
const prev = g.previousElementSibling;
if (prev && (prev.textContent || "").trim() === "Compute backend") {
g.classList.add("studio-adv-section");
const w = g.closest(".flex.flex-col"); if (w) w.classList.add("studio-adv-section");
}
});
// inject the Advanced toggle if not present
if (!doc.getElementById("studio-adv-toggle")) {
const sb = doc.querySelector(".embedded-sidebar") || doc.querySelector(".embedded-compose");
if (sb) {
const b = doc.createElement("button");
b.id = "studio-adv-toggle"; b.type = "button"; b.className = "studio-adv-toggle";
b.innerHTML = '<span class="dot"></span><span>Advanced</span><span class="chev">▸</span>';
b.addEventListener("click", () => {
const open = doc.body.classList.toggle("studio-adv-open");
b.setAttribute("aria-expanded", String(open));
try { frame.contentWindow.postMessage({type:"inflect-web-resize",height:Math.max(doc.body.scrollHeight,doc.documentElement.scrollHeight)}, "*"); } catch (_) {}
});
sb.appendChild(b);
}
}
};
const tick = () => {
if (!tag()) return; // iframe not ready yet
tagAdv();
// re-tag on DOM mutations (foldkit re-renders)
let doc;
try { doc = frame.contentDocument; } catch(_) { return; }
if (!doc._studioMO) {
try {
const mo = new (doc.defaultView.MutationObserver || MutationObserver)(() => tagAdv());
mo.observe(doc.getElementById("root"), { childList: true, subtree: true });
doc._studioMO = mo;
} catch (_) {}
}
};
frame.addEventListener("load", tick);
[60, 200, 600, 1500, 3000, 5000, 8000].forEach((d) => window.setTimeout(tick, d));
})();
/* responsive browser frame height */
(function(){ const frame=$("webgpu-frame"); const apply=(h)=>{ const n=Number(h); if(Number.isFinite(n)&&n>0){ const floor=frame.clientWidth<1024?1020:560; frame.style.height=`${Math.max(floor,Math.min(2400,n+2))}px`; } }; const measure=()=>{ try{ const d=frame.contentDocument; apply(Math.max(d?.body?.scrollHeight||0,d?.documentElement?.scrollHeight||0)); }catch(_){} }; window.addEventListener("message",(ev)=>{ if(ev.source!==frame.contentWindow) return; if(ev.data?.type==="inflect-web-resize") apply(ev.data.height); }); frame.addEventListener("load",measure); [120,500,1000,1800,3000].forEach((d)=>setTimeout(measure,d)); })();
/* client */
let client=null;
const getClient = async () => { if(client) return client; client=await Client.connect(window.location.origin); return client; };
const inputs = () => ({
text: $("text").value,
speed: parseFloat($("speed").value),
variation: parseFloat($("variation").value),
pitch_steps: parseFloat($("pitch").value),
seed: parseInt($("seed").value||"0",10),
});
const activeModel = () => document.querySelector('input[name="model"]:checked').value;
/* chunking (mirrors app.py) */
function splitText(text, limit=280){
const normalized=text.split(/\s+/).filter(Boolean).join(" "); if(!normalized) return [];
const sentences=normalized.match(/[^.!?;:]+[.!?;:]*/g)||[normalized]; const chunks=[];
for(let s of sentences){ s=s.trim(); if(!s) continue;
while(s.length>limit){ let cut=-1; for(const m of [",",";",":"]){ const idx=s.slice(0,limit+1).lastIndexOf(m); if(idx>=limit/2){ cut=idx+1; break; } }
if(cut<limit/2){ const sp=s.slice(0,limit+1).lastIndexOf(" "); cut=sp>0?sp:limit; }
chunks.push(s.slice(0,cut).trim()); s=s.slice(cut).trim(); }
if(s) chunks.push(s);
} return chunks;
}
function boundaryPause(chunk){ const end=chunk.trim().slice(-1); return ({ "?":0.28,"!":0.24,".":0.22,";":0.16,":":0.13,",":0.09 })[end] ?? 0.08; }
function chunkTimings(chunks,totalSec){
const lens=chunks.map(c=>c.length); const pauses=chunks.slice(0,-1).map(c=>boundaryPause(c));
const lensAdj=lens.map((l,i)=>l+(i<lens.length-1?pauses[i]*40:0));
const sum=lensAdj.reduce((a,b)=>a+b,0)||1; let t=0;
return chunks.map((c,i)=>{ const dur=(lensAdj[i]/sum)*totalSec; const start=t; t+=dur; if(i<chunks.length-1) t+=pauses[i]; return {text:c,start,dur}; });
}
/* decode + waveform */
async function fetchArray(url){ const r=await fetch(url); if(!r.ok) throw new Error(`audio fetch ${r.status}`); return r.arrayBuffer(); }
function wavBlobUrl(buf){ return URL.createObjectURL(new Blob([buf],{type:"audio/wav"})); }
async function decodeWav(buf){ const ctx=new (window.AudioContext||window.webkitAudioContext)(); const d=await ctx.decodeAudioData(buf.slice(0)); ctx.close(); return d; }
function peaksFrom(samples, buckets){
const out=new Float32Array(buckets*2); const step=Math.floor(samples.length/buckets)||1;
for(let i=0;i<buckets;i++){ const s=i*step; const e=Math.min(s+step,samples.length); let mn=1,mx=-1;
for(let j=s;j<e;j++){ const v=samples[j]; if(v<mn)mn=v; if(v>mx)mx=v; }
out[i*2]=mn; out[i*2+1]=mx; }
return out;
}
function drawWave(canvas, samples, progress, playedColor, baseColor){
const dpr=window.devicePixelRatio||1; const w=canvas.clientWidth, h=canvas.clientHeight;
canvas.width=Math.max(1,w*dpr); canvas.height=Math.max(1,h*dpr);
const ctx=canvas.getContext("2d"); ctx.setTransform(dpr,0,0,dpr,0,0); ctx.clearRect(0,0,w,h);
const buckets=Math.max(40,Math.floor(w*1.4)); const peaks=peaksFrom(samples,buckets);
const bw=Math.max(1,w/peaks.length*0.55); const mid=h/2; const prog=Math.max(0,Math.min(1,progress||0));
for(let i=0;i<peaks.length;i++){ const x=(i/peaks.length)*w; const played=(i/peaks.length)<=prog;
ctx.fillStyle=played?playedColor:baseColor; const top=mid-peaks[i*2+1]*mid*0.92; const bot=mid-peaks[i*2]*mid*0.92;
ctx.fillRect(x, top, bw, Math.max(1,bot-top));
}
}
const drawMain=(c,s,p)=>drawWave(c,s,p,"#0a84ff","#2a2c2e");
const drawMiniC=(c,s,p)=>drawWave(c,s,p,"#0a84ff","#2a2c2e");
/* player state */
let current=null; let raf=null;
const waveCanvas=$("wave-canvas"); const playhead=$("playhead"); const karaoke=$("karaoke");
const dl=$("download");
const statusEl=$("status"); const statusTxt=$("status-txt"); const queueEl=$("queue"); const led=$("status-led");
const genBtn=$("generate"); const cmpBtn=$("compare-btn");
const playBtn=$("play"); const stopBtn=$("stop"); const restartBtn=$("restart"); const seek=$("seek"); const player=$("player");
/* meters */
const metersEl=$("meters"); const METER_BARS=24; for(let i=0;i<METER_BARS;i++){ const b=document.createElement("div"); b.className="bar"; b.style.height="3px"; metersEl.appendChild(b); }
let meterRAF=null;
function runMeters(audio){ cancelAnimationFrame(meterRAF); const bars=[...metersEl.children];
const tick=()=>{ const lvl=audio.paused?0:0.3+0.45*Math.abs(Math.sin(audio.currentTime*8))+0.2*Math.random();
bars.forEach((b,i)=>{ const t=i/bars.length; const on=t<=lvl; b.classList.toggle("lev",on&&t<0.85); b.classList.toggle("peak",on&&t>=0.85); b.style.height=on?`${3+t*26}px`:"3px"; });
meterRAF=requestAnimationFrame(tick);
}; tick();
const off=()=>{ cancelAnimationFrame(meterRAF); bars.forEach(b=>{ b.classList.remove("lev","peak"); b.style.height="3px"; }); };
audio.addEventListener("pause",off,{once:true}); audio.addEventListener("ended",off,{once:true});
}
function renderMarkdown(md){ let s=(md||"").replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");
s=s.replace(/\*\*([^*]+)\*\*/g,"<b>$1</b>").replace(/`([^`]+)`/g,"<code>$1</code>"); return s.replace(/\n/g,"<br>"); }
function setBusy(b,msg){ genBtn.disabled=b; cmpBtn.disabled=b; led.classList.toggle("busy",b); led.classList.toggle("on",!b&&current!=null);
statusEl.classList.toggle("busy",b); statusEl.classList.remove("ok","err");
if(b){ statusTxt.innerHTML=`<span class="busy-spin"></span> ${msg||"Generating…"}`; queueEl.classList.remove("hidden"); queueEl.textContent=""; } }
function setStatus(md,kind){ statusEl.classList.remove("busy","ok","err"); if(kind) statusEl.classList.add(kind); statusTxt.innerHTML=renderMarkdown(md); }
function setError(msg){ statusEl.classList.remove("busy","ok"); statusEl.classList.add("err"); statusTxt.innerHTML=`<span style="color:var(--warn)">${msg}</span>`; led.classList.remove("busy","on"); }
function renderKaraoke(c){ karaoke.innerHTML=""; if(!c||!c.chunks.length){ karaoke.innerHTML='<div class="empty">Your text will appear here, highlighting as it\'s spoken.</div>'; return; }
c.chunks.forEach((t,i)=>{ const sp=document.createElement("span"); sp.className="chunk"; sp.dataset.index=i; sp.textContent=t+" "; karaoke.appendChild(sp); }); karaoke.classList.add("in"); }
function tick(current){
const a=current.audio; const t=a.currentTime; const p=current.totalSec?Math.min(1,t/current.totalSec):0;
playhead.style.left=`${p*100}%`; drawMain(waveCanvas,current.samples,p);
$("now").textContent=fmtTime(t); seek.value=String(Math.round(p*1000));
const spans=karaoke.querySelectorAll(".chunk"); let active=-1;
for(let i=0;i<current.timings.length;i++){ const seg=current.timings[i]; if(t>=seg.start && t<seg.start+seg.dur){ active=i; break; } if(t>=seg.start) active=i; }
spans.forEach((sp,i)=>{ sp.classList.remove("speaking"); sp.style.background="";
const seg=current.timings[i]; const done=seg && t>=seg.start+seg.dur;
sp.classList.toggle("spoken",!!done); if(i===active){ sp.classList.add("speaking"); const rel=Math.max(0,t-seg.start)/Math.max(0.001,seg.dur);
sp.style.background=`linear-gradient(90deg,rgba(10,132,255,.18) ${Math.min(100,rel*100)}%,transparent ${Math.min(100,rel*100)}%)`; }
});
raf=requestAnimationFrame(()=>tick(current));
}
function startPlayback(c){ if(!c||!c.audio) return; c.audio.play().then(()=>{ playBtn.textContent="❚❚"; $("np-badge").classList.add("playing"); led.classList.add("on"); cancelAnimationFrame(raf); raf=requestAnimationFrame(()=>tick(c)); runMeters(c.audio); }).catch(()=>{}); }
function pausePlayback(c){ if(!c||!c.audio) return; c.audio.pause(); playBtn.textContent="▶"; $("np-badge").classList.remove("playing"); cancelAnimationFrame(raf); }
function stopPlayback(c){ if(!c||!c.audio) return; c.audio.pause(); c.audio.currentTime=0; playBtn.textContent="▶"; $("np-badge").classList.remove("playing"); cancelAnimationFrame(raf); $("now").textContent="0:00"; seek.value="0"; playhead.style.left="0%"; drawMain(waveCanvas,c.samples,0); }
function setupPlayer(c){
current=c; renderKaraoke(c); drawMain(waveCanvas,c.samples,0);
c.audio=new Audio(c.url); const a=c.audio;
$("dur").textContent=fmtTime(c.totalSec); $("now").textContent="0:00"; seek.value="0"; seek.disabled=false;
playBtn.disabled=false; stopBtn.disabled=false; restartBtn.disabled=false; playBtn.textContent="▶";
$("np-title").textContent=activeModel(); $("np-sub").textContent=`${c.totalSec.toFixed(2)}s · ${c.chunks.length} segment${c.chunks.length!==1?"s":""}`;
$("take-spec").textContent=`${c.totalSec.toFixed(2)}s · ${c.chunks.length} seg · ${c.samples.length} smp`;
dl.href=c.url; player.classList.add("show"); led.classList.add("on");
a.addEventListener("loadedmetadata",()=>{ $("dur").textContent=fmtTime(a.duration); });
a.addEventListener("ended",()=>{ playBtn.textContent="▶"; $("np-badge").classList.remove("playing"); cancelAnimationFrame(raf); $("now").textContent=fmtTime(c.totalSec); seek.value="1000"; playhead.style.left="100%"; drawMain(waveCanvas,c.samples,1); karaoke.querySelectorAll(".chunk").forEach(s=>{ s.classList.remove("speaking"); s.classList.add("spoken"); }); });
}
playBtn.addEventListener("click",()=>{ if(!current) return; if(current.audio.paused) startPlayback(current); else pausePlayback(current); });
stopBtn.addEventListener("click",()=>{ if(current) stopPlayback(current); });
restartBtn.addEventListener("click",()=>{ if(!current) return; current.audio.currentTime=0; if(current.audio.paused) startPlayback(current); });
seek.addEventListener("input",()=>{ if(!current) return; const t=(parseFloat(seek.value)/1000)*current.totalSec; current.audio.currentTime=t; $("now").textContent=fmtTime(t); playhead.style.left=`${(t/current.totalSec)*100}%`; drawMain(waveCanvas,current.samples,t/current.totalSec); });
$("wave").addEventListener("click",(e)=>{ if(!current) return; const r=$("wave").getBoundingClientRect(); const t=((e.clientX-r.left)/r.width)*current.totalSec; current.audio.currentTime=t; $("now").textContent=fmtTime(t); });
/* generate */
/* Auto-retry transient ZeroGPU failures (hardware ECC / queue blips) up to 2x. */
const TRANSIENT = /CUDA|ECC|GPU|queue|timeout|connection|fetch|network|503|502|500/i;
async function withRetry(fn, label){
let lastErr;
for (let attempt = 0; attempt < 3; attempt++) {
try { return await fn(); }
catch (e) {
lastErr = e;
const msg = String(e?.message || e);
const transient = TRANSIENT.test(msg);
if (!transient || attempt === 2) throw e;
const wait = 1200 * (attempt + 1);
statusTxt.innerHTML = `<span class="busy-spin"></span> ${label} hit a transient GPU error — retrying in ${Math.round(wait/1000)}s…`;
led.classList.add("busy");
await new Promise((r) => setTimeout(r, wait));
}
}
throw lastErr;
}
async function doGenerate(){
setBusy(true,"Generating on ZeroGPU…"); queueEl.textContent="";
$("cmp-wrap").classList.remove("show");
try{
await withRetry(async () => {
const c=await getClient(); const res=await c.predict("/synthesize",{ ...inputs(), model_name: activeModel() });
const fileObj=res.data[0]; const statusText=res.data[1]||"Done.";
const url=(fileObj && (fileObj.url || fileObj.path)) || (typeof fileObj==="string"?fileObj:""); if(!url) throw new Error("server returned no audio url");
const buf=await fetchArray(url); const blobUrl=wavBlobUrl(buf); const decoded=await decodeWav(buf);
const text=$("text").value; const chunks=splitText(text); const timings=chunkTimings(chunks,decoded.duration);
setupPlayer({ url:blobUrl, totalSec:decoded.duration, chunks, timings, samples:decoded.getChannelData(0), audio:null });
setStatus(statusText,"ok"); queueEl.classList.add("hidden");
const rtfM=statusText.match(/RTF\s*([0-9.]+)/); if(rtfM) $("m-rtf").textContent=parseFloat(rtfM[1]).toFixed(3);
});
setBusy(false); startPlayback(current);
} catch(e){ setError(`Error: ${String(e?.message||e)}`); setBusy(false); }
}
/* compare */
let cmp={ micro:null, nano:null };
const cmpCanvas={ micro:$("micro-canvas"), nano:$("nano-canvas") };
async function doCompare(){
setBusy(true,"Comparing on ZeroGPU…"); queueEl.textContent="";
$("cmp-wrap").classList.add("show");
for(const k of ["micro","nano"]){ if(cmp[k]?.audio) cmp[k].audio.pause(); cmp[k]=null;
$(`${k}-now`).textContent="0:00"; $(`${k}-dur`).textContent="0:00"; $(`${k}-seek`).value="0"; $(`${k}-seek`).disabled=true;
const btn=document.querySelector(`.mini-play[data-mini="${k}"]`); btn.disabled=true; btn.textContent="▶"; $(`${k}-ph`).style.left="0%";
drawMiniC(cmpCanvas[k], new Float32Array(40),0); }
try{
const [microObj,nanoObj,statusText] = await withRetry(async () => {
const c=await getClient(); const res=await c.predict("/compare",{ ...inputs() });
return res.data;
}, "Compare");
for(const [key,obj,durId,nowId,seekId,dlId,phId,cv] of [
["micro",microObj,"micro-dur","micro-now","micro-seek","micro-dl","micro-ph",cmpCanvas.micro],
["nano",nanoObj,"nano-dur","nano-now","nano-seek","nano-dl","nano-ph",cmpCanvas.nano],
]){
const url=(obj && (obj.url || obj.path)) || (typeof obj==="string"?obj:""); if(!url) throw new Error(`server returned no ${key} url`);
const buf=await fetchArray(url); const blobUrl=wavBlobUrl(buf); const decoded=await decodeWav(buf); const samples=decoded.getChannelData(0);
$(dlId).href=blobUrl; $(durId).textContent=fmtTime(decoded.duration); $(seekId).value="0"; $(seekId).disabled=false; drawMiniC(cv,samples,0);
const audio=new Audio(blobUrl); const btn=document.querySelector(`.mini-play[data-mini="${key}"]`); btn.disabled=false;
const upd=()=>{ $(nowId).textContent=fmtTime(audio.currentTime); const p=audio.currentTime/decoded.duration; $(seekId).value=String(Math.round(p*1000)); $(phId).style.left=`${p*100}%`; drawMiniC(cv,samples,p); };
audio.addEventListener("timeupdate",upd);
audio.addEventListener("ended",()=>{ btn.textContent="▶"; $(phId).style.left="100%"; drawMiniC(cv,samples,1); });
const sk=$(seekId); if(sk._seek) sk.removeEventListener("input",sk._seek); const onSeek=()=>{ audio.currentTime=(parseFloat(sk.value)/1000)*decoded.duration; }; sk._seek=onSeek; sk.addEventListener("input",onSeek);
cmp[key]={ audio, totalSec:decoded.duration, samples, canvas:cv };
}
setStatus(statusText,"ok"); queueEl.classList.add("hidden"); setBusy(false);
} catch(e){ setError(`Error: ${String(e?.message||e)}`); setBusy(false); }
}
document.querySelectorAll(".mini-play").forEach((btn)=>{ btn.addEventListener("click",()=>{ const key=btn.dataset.mini; const item=cmp[key]; if(!item||!item.audio) return;
if(item.audio.paused){ const other=key==="micro"?"nano":"micro"; if(cmp[other]?.audio && !cmp[other].audio.paused){ cmp[other].audio.pause(); document.querySelector(`.mini-play[data-mini="${other}"]`).textContent="▶"; } item.audio.play(); btn.textContent="❚❚"; }
else { item.audio.pause(); btn.textContent="▶"; }
}); });
[ $("micro-wave"), $("nano-wave") ].forEach((el,i)=>{ const key=i?"nano":"micro"; el.addEventListener("click",(e)=>{ const item=cmp[key]; if(!item) return; const r=el.getBoundingClientRect(); item.audio.currentTime=((e.clientX-r.left)/r.width)*item.totalSec; }); });
genBtn.addEventListener("click",doGenerate);
cmpBtn.addEventListener("click",doCompare);
$("text").addEventListener("keydown",(e)=>{ if(e.key==="Enter"&&(e.metaKey||e.ctrlKey)){ e.preventDefault(); doGenerate(); } });
window.addEventListener("resize",()=>{ if(current) drawMain(waveCanvas,current.samples, current.audio?current.audio.currentTime/current.totalSec:0); for(const k of ["micro","nano"]){ if(cmp[k]) drawMiniC(cmpCanvas[k],cmp[k].samples, cmp[k].audio?cmp[k].audio.currentTime/cmp[k].totalSec:0); } });
drawMain(waveCanvas,new Float32Array(200),0);
drawMiniC(cmpCanvas.micro,new Float32Array(40),0);
drawMiniC(cmpCanvas.nano,new Float32Array(40),0);
</script>
</body>
</html>