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| """Narration for the landing page demo (Nora Vale, Mission Control). Writes public/demo-vo/*.mp3 + durations.json. | |
| The screens show the product; the voice never explains it, it only says how it feels: exploring, | |
| excited, mesmerized. Also writes src/compositions/demoVo.ts; scenes stretch to fit their lines. | |
| make_demo_music.py writes a 47.5 s score; raise its TOTAL and rerun it if the demo grows past that. | |
| cd backend && PYTHONPATH=. .venv/Scripts/python ../renderer/scripts/make_demo_vo.py | |
| """ | |
| import json | |
| import uuid | |
| from pathlib import Path | |
| from app.services import tts | |
| OUT = Path(__file__).resolve().parents[1] / "public" / "demo-vo" | |
| OUT.mkdir(parents=True, exist_ok=True) | |
| LINES = { | |
| "warp": "Captain's log. Something wonderful is on the horizon.", | |
| "paste": "Take a breath. That flutter of excitement? That's how every great expedition begins.", | |
| "orbit": "And there it is. Everything you've made, shimmering... impossible to look away.", | |
| "research": "A question sparks, and suddenly you're wide awake.", | |
| "audio": "Lean back. Let it wash over you.", | |
| "launchkit": "Your pulse quickens. You can't wait to share this.", | |
| "launchpad": "Three, two, one... and you're flying.", | |
| "outro": "Notestack. Clear skies ahead.", | |
| } | |
| voice_id = next(v["voice_id"] for v in tts.list_voices() if v["name"].startswith("Nora Vale")) | |
| vs = tts.VoiceSettings(stability=0.55, similarity_boost=0.8, style=0.3, speed=0.93) | |
| ws = uuid.UUID(int=0) | |
| keys = list(LINES) | |
| durations = {} | |
| for i, key in enumerate(keys): | |
| prev_text = LINES[keys[i - 1]] if i else None | |
| next_text = LINES[keys[i + 1]] if i + 1 < len(keys) else None | |
| clip = tts.synthesize(ws, LINES[key], voice_id, vs, prev_text, next_text) | |
| (OUT / f"{key}.mp3").write_bytes(clip) | |
| durations[key] = round(tts.mp3_seconds(clip), 2) | |
| (OUT / "durations.json").write_text(json.dumps(durations, indent=2)) | |
| (Path(__file__).resolve().parents[1] / "src" / "compositions" / "demoVo.ts").write_text( | |
| "// Generated by scripts/make_demo_vo.py: narration clip lengths in seconds. Do not edit by hand.\n" | |
| f"export const DEMO_VO_SECONDS = {json.dumps(durations)} as const;\n" | |
| ) | |
| print(json.dumps(durations)) | |