| { |
| "schema": 1, |
| "language": "en", |
| "lang_code": "a", |
| "dialect": "us", |
| "voice": "am_eric", |
| "speed": 0.88, |
| "sample_rate": 24000, |
| "total_duration": 44.625, |
| "media_sha256": "698efc903b55c9dda6d2ca561107a16221fa8841f3e64123d656328660a660c1", |
| "media_bytes": 274066, |
| "render_fingerprint": "155be8bae28bdc3d65ca9ac04cb3903b8be47b591ec061d6d8c340072664b13e", |
| "render_inputs": { |
| "renderer": "render_all_voices-v4", |
| "lesson": "34_database", |
| "language": "en", |
| "lang_code": "a", |
| "dialect": "us", |
| "voice": "am_eric", |
| "speed": 0.88, |
| "scenes": [ |
| { |
| "narration": "Database Browser inspects large spaCR databases in a bounded, read-only view.", |
| "speech_text": [ |
| "Database Browser inspects large spacer databases in a bounded, read-only view." |
| ], |
| "authored_hold": 0.7, |
| "resolved_hold": 0.52, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88 |
| }, |
| { |
| "narration": "Choose a measurements database or its run folder and open it.", |
| "speech_text": [ |
| "Choose a measurements database or its run folder and open it." |
| ], |
| "authored_hold": 0.7, |
| "resolved_hold": 0.52, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88 |
| }, |
| { |
| "narration": "Select a table after reviewing its purpose and read-only status.", |
| "speech_text": [ |
| "Select a table after reviewing its purpose and read-only status." |
| ], |
| "authored_hold": 0.7, |
| "resolved_hold": 0.52, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88 |
| }, |
| { |
| "narration": "The preview loads a bounded page while reporting the complete row and column counts separately.", |
| "speech_text": [ |
| "The preview loads a bounded page while reporting the complete row and column counts separately." |
| ], |
| "authored_hold": 0.7, |
| "resolved_hold": 0.52, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88 |
| }, |
| { |
| "narration": "Search columns to make wide feature tables readable without changing the underlying rows.", |
| "speech_text": [ |
| "Search columns to make wide feature tables readable without changing the underlying rows." |
| ], |
| "authored_hold": 0.7, |
| "resolved_hold": 0.52, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88 |
| }, |
| { |
| "narration": "Build a structured filter. Column names and operators are validated, and values are bound safely.", |
| "speech_text": [ |
| "Build a structured filter.", |
| "Column names and operators are validated, and values are bound safely." |
| ], |
| "authored_hold": 0.7, |
| "resolved_hold": 0.52, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88 |
| }, |
| { |
| "narration": "The exact filtered count describes the full query even though only one page is drawn.", |
| "speech_text": [ |
| "The exact filtered count describes the full query even though only one page is drawn." |
| ], |
| "authored_hold": 0.7, |
| "resolved_hold": 0.52, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88 |
| }, |
| { |
| "narration": "Export the complete current filter and visible-column selection. The source database remains unchanged.", |
| "speech_text": [ |
| "Export the complete current filter and visible-column selection.", |
| "The source database remains unchanged." |
| ], |
| "authored_hold": 0.7, |
| "resolved_hold": 0.52, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88 |
| } |
| ], |
| "assembly": { |
| "version": "2026-08-11-natural-sentences-v1", |
| "sample_rate": 24000, |
| "lead_silence_seconds": 0.1, |
| "tail_silence_seconds": 0.18, |
| "sentence_pause_seconds": 0.12, |
| "scene_hold_min_seconds": 0.32, |
| "scene_hold_max_seconds": 0.52, |
| "default_scene_hold_seconds": 0.42, |
| "vad_frame_seconds": 0.005, |
| "vad_peak_ratio": 0.002, |
| "vad_absolute_floor": 2e-05 |
| }, |
| "cadence_profile": { |
| "version": "2026-08-11-af-heart-scene-cadence-v6", |
| "sha256": "4d728d67e73eea7e6203878879992f9050ae4a2677d717efdd68545104eb7812", |
| "bytes": 23008, |
| "enabled": false, |
| "targets": { |
| "slow_wpm": 125.0, |
| "fast_wpm": 145.0, |
| "calibration_wpm": 150.0 |
| }, |
| "safe_multiplier_bounds": { |
| "minimum": 0.68, |
| "maximum": 1.18 |
| } |
| }, |
| "mastering": { |
| "filters": [ |
| "loudnorm=I=-16:TP=-3:LRA=11", |
| "loudnorm=I=-16:TP=-5:LRA=11,alimiter=limit=0.7:attack=5:release=50:level=disabled", |
| "loudnorm=I=-16:TP=-5:LRA=11,alimiter=limit=0.5:attack=5:release=50:level=disabled" |
| ], |
| "codec": "aac", |
| "bitrate": "48k", |
| "channels": 1, |
| "maximum_decoded_true_peak_dbfs": -1.0 |
| }, |
| "pronunciation": { |
| "role": "pronunciation_profile", |
| "version": "2026-08-11-en-natural-v6", |
| "sha256": "1fbaa615cfa904094bdef5cba963539f0e8bec5927192a76b0d503e90c4bb83e", |
| "bytes": 13263 |
| }, |
| "synthesis_runtime": { |
| "model": { |
| "repository": "hexgrad/Kokoro-82M", |
| "snapshot": "f3ff3571791e39611d31c381e3a41a3af07b4987", |
| "config": { |
| "role": "kokoro_config", |
| "name": "14a726edd3718279eac426630879ff743955b16a", |
| "bytes": 2351, |
| "sha256": "5abb01e2403b072bf03d04fde160443e209d7a0dad49a423be15196b9b43c17f" |
| }, |
| "weights": { |
| "role": "kokoro_weights", |
| "name": "496dba118d1a58f5f3db2efc88dbdc216e0483fc89fe6e47ee1f2c53f18ad1e4", |
| "bytes": 327212226, |
| "sha256": "496dba118d1a58f5f3db2efc88dbdc216e0483fc89fe6e47ee1f2c53f18ad1e4" |
| } |
| }, |
| "voice_pack": { |
| "role": "kokoro_voice_pack", |
| "name": "ada66f0eefff34ec921b1d7474d7ac8bec00cd863c170f1c534916e9b8212aae", |
| "bytes": 523420, |
| "sha256": "ada66f0eefff34ec921b1d7474d7ac8bec00cd863c170f1c534916e9b8212aae", |
| "tensor_sha256": "e8b5be17edd1e3636901ce7598baafe2dc8dd8ff707a0c23bf9e461add7e2832", |
| "loaded_tensor_sha256": "e8b5be17edd1e3636901ce7598baafe2dc8dd8ff707a0c23bf9e461add7e2832" |
| }, |
| "software": { |
| "kokoro": "0.9.4", |
| "misaki": "0.9.4", |
| "torch": "2.6.0", |
| "soundfile": "0.14.0", |
| "python": "3.12.4", |
| "implementation": "cpython" |
| }, |
| "inference": { |
| "device": "cpu" |
| }, |
| "mastering_tool": { |
| "version": "ffmpeg version 6.1.1-3ubuntu5+esm10 Copyright (c) 2000-2023 the FFmpeg developers", |
| "version_output_sha256": "92dfb2468e6f5f06919b5433c0f14459ac19b81b1bc2d9fdceb83c6ad42e37b5", |
| "executable": { |
| "role": "ffmpeg_executable", |
| "name": "ffmpeg", |
| "bytes": 342488, |
| "sha256": "ad63ef3f2f18fa92e89f0ec2bde6941e81f83724c8d265414cb659c28077392d" |
| } |
| } |
| } |
| }, |
| "scenes": [ |
| { |
| "scene": 1, |
| "speech_start": 0.0, |
| "speech_end": 4.81, |
| "scene_end": 5.33, |
| "duration": 5.33, |
| "text": "Database Browser inspects large spaCR databases in a bounded, read-only view.", |
| "speech_text": "Database Browser inspects large spacer databases in a bounded, read-only view.", |
| "phonemes": "dˈæTəbˌAs bɹˈWzəɹ ɪnspˈɛkts lˈɑɹʤ spˈAsəɹ dˈæTəbˌAsᵻz ɪn ɐ bˈWndᵻd, ɹˈidˌOnli vjˈu.", |
| "authored_hold_after": 0.7, |
| "hold_after": 0.52, |
| "base_speed": 0.88, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88, |
| "sentences": [ |
| { |
| "sentence": 1, |
| "speech_start": 0.0, |
| "speech_end": 4.81, |
| "audible_start": 0.1, |
| "audible_end": 4.63, |
| "duration": 4.81, |
| "gap_from_previous": null, |
| "trimmed_lead": 0.175, |
| "trimmed_tail": 0.44, |
| "text": "Database Browser inspects large spaCR databases in a bounded, read-only view.", |
| "speech_text": "Database Browser inspects large spacer databases in a bounded, read-only view.", |
| "phonemes": "dˈæTəbˌAs bɹˈWzəɹ ɪnspˈɛkts lˈɑɹʤ spˈAsəɹ dˈæTəbˌAsᵻz ɪn ɐ bˈWndᵻd, ɹˈidˌOnli vjˈu." |
| } |
| ] |
| }, |
| { |
| "scene": 2, |
| "speech_start": 5.33, |
| "speech_end": 8.855, |
| "scene_end": 9.375, |
| "duration": 4.045, |
| "text": "Choose a measurements database or its run folder and open it.", |
| "speech_text": "Choose a measurements database or its run folder and open it.", |
| "phonemes": "ʧˈuz ɐ mˈɛʒəɹmᵊnts dˈæTəbˌAs ɔɹ ɪts ɹˈʌn fˈOldəɹ ænd ˈOpᵊn ɪt.", |
| "authored_hold_after": 0.7, |
| "hold_after": 0.52, |
| "base_speed": 0.88, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88, |
| "sentences": [ |
| { |
| "sentence": 1, |
| "speech_start": 5.33, |
| "speech_end": 8.855, |
| "audible_start": 5.43, |
| "audible_end": 8.675, |
| "duration": 3.525, |
| "gap_from_previous": null, |
| "trimmed_lead": 0.175, |
| "trimmed_tail": 0.425, |
| "text": "Choose a measurements database or its run folder and open it.", |
| "speech_text": "Choose a measurements database or its run folder and open it.", |
| "phonemes": "ʧˈuz ɐ mˈɛʒəɹmᵊnts dˈæTəbˌAs ɔɹ ɪts ɹˈʌn fˈOldəɹ ænd ˈOpᵊn ɪt." |
| } |
| ] |
| }, |
| { |
| "scene": 3, |
| "speech_start": 9.375, |
| "speech_end": 13.254999999999999, |
| "scene_end": 13.774999999999999, |
| "duration": 4.399999999999999, |
| "text": "Select a table after reviewing its purpose and read-only status.", |
| "speech_text": "Select a table after reviewing its purpose and read-only status.", |
| "phonemes": "səlˈɛkt ɐ tˈAbᵊl ˈæftəɹ ɹəvjˈuɪŋ ɪts pˈɜɹpəs ænd ɹˈidˌOnli stˈATəs.", |
| "authored_hold_after": 0.7, |
| "hold_after": 0.52, |
| "base_speed": 0.88, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88, |
| "sentences": [ |
| { |
| "sentence": 1, |
| "speech_start": 9.375, |
| "speech_end": 13.254999999999999, |
| "audible_start": 9.475, |
| "audible_end": 13.075, |
| "duration": 3.88, |
| "gap_from_previous": null, |
| "trimmed_lead": 0.17, |
| "trimmed_tail": 0.4, |
| "text": "Select a table after reviewing its purpose and read-only status.", |
| "speech_text": "Select a table after reviewing its purpose and read-only status.", |
| "phonemes": "səlˈɛkt ɐ tˈAbᵊl ˈæftəɹ ɹəvjˈuɪŋ ɪts pˈɜɹpəs ænd ɹˈidˌOnli stˈATəs." |
| } |
| ] |
| }, |
| { |
| "scene": 4, |
| "speech_start": 13.774999999999999, |
| "speech_end": 18.884999999999998, |
| "scene_end": 19.404999999999998, |
| "duration": 5.629999999999999, |
| "text": "The preview loads a bounded page while reporting the complete row and column counts separately.", |
| "speech_text": "The preview loads a bounded page while reporting the complete row and column counts separately.", |
| "phonemes": "ðə pɹˈivjˌu lˈOdz ɐ bˈWndᵻd pˈAʤ wˌIl ɹᵻpˈɔɹTɪŋ ðə kəmplˈit ɹˈO ænd kˈɑləm kˈWnts sˈɛpəɹətli.", |
| "authored_hold_after": 0.7, |
| "hold_after": 0.52, |
| "base_speed": 0.88, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88, |
| "sentences": [ |
| { |
| "sentence": 1, |
| "speech_start": 13.774999999999999, |
| "speech_end": 18.884999999999998, |
| "audible_start": 13.874999999999998, |
| "audible_end": 18.705, |
| "duration": 5.11, |
| "gap_from_previous": null, |
| "trimmed_lead": 0.185, |
| "trimmed_tail": 0.43, |
| "text": "The preview loads a bounded page while reporting the complete row and column counts separately.", |
| "speech_text": "The preview loads a bounded page while reporting the complete row and column counts separately.", |
| "phonemes": "ðə pɹˈivjˌu lˈOdz ɐ bˈWndᵻd pˈAʤ wˌIl ɹᵻpˈɔɹTɪŋ ðə kəmplˈit ɹˈO ænd kˈɑləm kˈWnts sˈɛpəɹətli." |
| } |
| ] |
| }, |
| { |
| "scene": 5, |
| "speech_start": 19.404999999999998, |
| "speech_end": 24.584999999999997, |
| "scene_end": 25.104999999999997, |
| "duration": 5.699999999999999, |
| "text": "Search columns to make wide feature tables readable without changing the underlying rows.", |
| "speech_text": "Search columns to make wide feature tables readable without changing the underlying rows.", |
| "phonemes": "sˈɜɹʧ kˈɑləmz tə mˌAk wˈId fˈiʧəɹ tˈAbᵊlz ɹˈidəbᵊl wɪðˈWt ʧˈAnʤɪŋ ði ˌʌndəɹlˈIɪŋ ɹˈOz.", |
| "authored_hold_after": 0.7, |
| "hold_after": 0.52, |
| "base_speed": 0.88, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88, |
| "sentences": [ |
| { |
| "sentence": 1, |
| "speech_start": 19.404999999999998, |
| "speech_end": 24.584999999999997, |
| "audible_start": 19.505, |
| "audible_end": 24.404999999999998, |
| "duration": 5.18, |
| "gap_from_previous": null, |
| "trimmed_lead": 0.16, |
| "trimmed_tail": 0.435, |
| "text": "Search columns to make wide feature tables readable without changing the underlying rows.", |
| "speech_text": "Search columns to make wide feature tables readable without changing the underlying rows.", |
| "phonemes": "sˈɜɹʧ kˈɑləmz tə mˌAk wˈId fˈiʧəɹ tˈAbᵊlz ɹˈidəbᵊl wɪðˈWt ʧˈAnʤɪŋ ði ˌʌndəɹlˈIɪŋ ɹˈOz." |
| } |
| ] |
| }, |
| { |
| "scene": 6, |
| "speech_start": 25.104999999999997, |
| "speech_end": 31.464999999999996, |
| "scene_end": 31.984999999999996, |
| "duration": 6.879999999999999, |
| "text": "Build a structured filter. Column names and operators are validated, and values are bound safely.", |
| "speech_text": "Build a structured filter. Column names and operators are validated, and values are bound safely.", |
| "phonemes": "bˈɪld ɐ stɹˈʌkʧəɹd fˈɪltəɹ. kˈɑləm nˈAmz ænd ˈɑpəɹˌATəɹz ɑɹ vˈælɪdˌATᵻd, ænd vˈæljuz ɑɹ bˈWnd sˈAfli.", |
| "authored_hold_after": 0.7, |
| "hold_after": 0.52, |
| "base_speed": 0.88, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88, |
| "sentences": [ |
| { |
| "sentence": 1, |
| "speech_start": 25.104999999999997, |
| "speech_end": 27.025, |
| "audible_start": 25.205, |
| "audible_end": 26.844999999999995, |
| "duration": 1.92, |
| "gap_from_previous": null, |
| "trimmed_lead": 0.13, |
| "trimmed_tail": 0.25, |
| "text": "Build a structured filter.", |
| "speech_text": "Build a structured filter.", |
| "phonemes": "bˈɪld ɐ stɹˈʌkʧəɹd fˈɪltəɹ." |
| }, |
| { |
| "sentence": 2, |
| "speech_start": 27.144999999999996, |
| "speech_end": 31.464999999999996, |
| "audible_start": 27.244999999999997, |
| "audible_end": 31.284999999999997, |
| "duration": 4.32, |
| "gap_from_previous": 0.4, |
| "trimmed_lead": 0.195, |
| "trimmed_tail": 0.435, |
| "text": "Column names and operators are validated, and values are bound safely.", |
| "speech_text": "Column names and operators are validated, and values are bound safely.", |
| "phonemes": "kˈɑləm nˈAmz ænd ˈɑpəɹˌATəɹz ɑɹ vˈælɪdˌATᵻd, ænd vˈæljuz ɑɹ bˈWnd sˈAfli." |
| } |
| ] |
| }, |
| { |
| "scene": 7, |
| "speech_start": 31.984999999999996, |
| "speech_end": 36.87499999999999, |
| "scene_end": 37.394999999999996, |
| "duration": 5.41, |
| "text": "The exact filtered count describes the full query even though only one page is drawn.", |
| "speech_text": "The exact filtered count describes the full query even though only one page is drawn.", |
| "phonemes": "ði ɪɡzˈækt fˈɪltəɹd kˈWnt dəskɹˈIbz ðə fˈʊl kwˈɪɹi ˈivən ðˌO ˈOnli wˈʌn pˈAʤ ɪz dɹˈɔn.", |
| "authored_hold_after": 0.7, |
| "hold_after": 0.52, |
| "base_speed": 0.88, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88, |
| "sentences": [ |
| { |
| "sentence": 1, |
| "speech_start": 31.984999999999996, |
| "speech_end": 36.87499999999999, |
| "audible_start": 32.084999999999994, |
| "audible_end": 36.69499999999999, |
| "duration": 4.89, |
| "gap_from_previous": null, |
| "trimmed_lead": 0.185, |
| "trimmed_tail": 0.45, |
| "text": "The exact filtered count describes the full query even though only one page is drawn.", |
| "speech_text": "The exact filtered count describes the full query even though only one page is drawn.", |
| "phonemes": "ði ɪɡzˈækt fˈɪltəɹd kˈWnt dəskɹˈIbz ðə fˈʊl kwˈɪɹi ˈivən ðˌO ˈOnli wˈʌn pˈAʤ ɪz dɹˈɔn." |
| } |
| ] |
| }, |
| { |
| "scene": 8, |
| "speech_start": 37.394999999999996, |
| "speech_end": 44.105, |
| "scene_end": 44.625, |
| "duration": 7.230000000000004, |
| "text": "Export the complete current filter and visible-column selection. The source database remains unchanged.", |
| "speech_text": "Export the complete current filter and visible-column selection. The source database remains unchanged.", |
| "phonemes": "ˈɛkspˌɔɹt ðə kəmplˈit kˈɜɹənt fˈɪltəɹ ænd vˈɪzəbᵊlkˌɑləm səlˈɛkʃən. ðə sˈɔɹs dˈæTəbˌAs ɹəmˈAnz ˌʌnʧˈAnʤd.", |
| "authored_hold_after": 0.7, |
| "hold_after": 0.52, |
| "base_speed": 0.88, |
| "speed_multiplier": 1.0, |
| "effective_speed": 0.88, |
| "sentences": [ |
| { |
| "sentence": 1, |
| "speech_start": 37.394999999999996, |
| "speech_end": 41.19499999999999, |
| "audible_start": 37.495, |
| "audible_end": 41.01499999999999, |
| "duration": 3.8, |
| "gap_from_previous": null, |
| "trimmed_lead": 0.175, |
| "trimmed_tail": 0.425, |
| "text": "Export the complete current filter and visible-column selection.", |
| "speech_text": "Export the complete current filter and visible-column selection.", |
| "phonemes": "ˈɛkspˌɔɹt ðə kəmplˈit kˈɜɹənt fˈɪltəɹ ænd vˈɪzəbᵊlkˌɑləm səlˈɛkʃən." |
| }, |
| { |
| "sentence": 2, |
| "speech_start": 41.315, |
| "speech_end": 44.105, |
| "audible_start": 41.41499999999999, |
| "audible_end": 43.925, |
| "duration": 2.79, |
| "gap_from_previous": 0.4, |
| "trimmed_lead": 0.16, |
| "trimmed_tail": 0.375, |
| "text": "The source database remains unchanged.", |
| "speech_text": "The source database remains unchanged.", |
| "phonemes": "ðə sˈɔɹs dˈæTəbˌAs ɹəmˈAnz ˌʌnʧˈAnʤd." |
| } |
| ] |
| } |
| ] |
| } |
|
|