{ "schema": 1, "language": "en", "lang_code": "b", "dialect": "uk", "voice": "bm_daniel", "speed": 0.92, "sample_rate": 24000, "total_duration": 48.19, "media_sha256": "3004ee00e790c82bad80630a0d27de3fcb00304cad9d835e6fecf0de30e9746d", "media_bytes": 300091, "render_fingerprint": "739db29b272f9fe4a39ee3019bc91599757d140d4b243f38aeefd3d1f7b56ce3", "render_inputs": { "renderer": "render_all_voices-v4", "lesson": "34_database", "language": "en", "lang_code": "b", "dialect": "uk", "voice": "bm_daniel", "speed": 0.92, "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": 0.92 }, { "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": 0.92 }, { "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": 0.92 }, { "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": 0.92 }, { "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": 0.92 }, { "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": 0.92 }, { "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": 0.92 }, { "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": 0.92 } ], "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": [ 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"ad63ef3f2f18fa92e89f0ec2bde6941e81f83724c8d265414cb659c28077392d" } } } }, "scenes": [ { "scene": 1, "speech_start": 0.0, "speech_end": 5.27, "scene_end": 5.789999999999999, "duration": 5.789999999999999, "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": "dˈAtəbAs bɹˈWzə ɪnspˈɛkts lˈɑːʤ spˈAsə dˈAtəbAsɪz ɪn ɐ bˈWndɪd, ɹˌiːdˈQnli vjˈuː.", "authored_hold_after": 0.7, "hold_after": 0.52, "base_speed": 0.92, "speed_multiplier": 1.0, "effective_speed": 0.92, "sentences": [ { "sentence": 1, "speech_start": 0.0, "speech_end": 5.27, "audible_start": 0.1, "audible_end": 5.09, "duration": 5.27, "gap_from_previous": null, "trimmed_lead": 0.18, "trimmed_tail": 0.375, "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": "dˈAtəbAs bɹˈWzə ɪnspˈɛkts lˈɑːʤ spˈAsə dˈAtəbAsɪz ɪn ɐ bˈWndɪd, ɹˌiːdˈQnli vjˈuː." } ] }, { "scene": 2, "speech_start": 5.789999999999999, "speech_end": 9.809999999999999, "scene_end": 10.329999999999998, "duration": 4.539999999999999, "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": "ʧˈuːz ɐ mˈɛʒəmᵊnts dˈAtəbAs ɔː ɪts ɹˈʌn fˈQldə and ˈQpᵊn ɪt.", "authored_hold_after": 0.7, "hold_after": 0.52, "base_speed": 0.92, "speed_multiplier": 1.0, "effective_speed": 0.92, "sentences": [ { "sentence": 1, "speech_start": 5.789999999999999, "speech_end": 9.809999999999999, "audible_start": 5.889999999999999, "audible_end": 9.629999999999999, "duration": 4.02, "gap_from_previous": null, "trimmed_lead": 0.17, "trimmed_tail": 0.335, "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": "ʧˈuːz ɐ mˈɛʒəmᵊnts dˈAtəbAs ɔː ɪts ɹˈʌn fˈQldə and ˈQpᵊn ɪt." } ] }, { "scene": 3, "speech_start": 10.329999999999998, "speech_end": 14.584999999999997, "scene_end": 15.104999999999997, "duration": 4.774999999999999, "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": "sɪlˈɛkt ɐ tˈAbᵊl ˈɑːftə ɹɪvjˈuːɪŋ ɪts pˈɜːpəs and ɹˌiːdˈQnli stˈAtəs.", "authored_hold_after": 0.7, "hold_after": 0.52, "base_speed": 0.92, "speed_multiplier": 1.0, "effective_speed": 0.92, "sentences": [ { "sentence": 1, "speech_start": 10.329999999999998, "speech_end": 14.584999999999997, "audible_start": 10.429999999999998, "audible_end": 14.404999999999998, "duration": 4.255, "gap_from_previous": null, "trimmed_lead": 0.145, "trimmed_tail": 0.35, "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": "sɪlˈɛkt ɐ tˈAbᵊl ˈɑːftə ɹɪvjˈuːɪŋ ɪts pˈɜːpəs and ɹˌiːdˈQnli stˈAtəs." } ] }, { "scene": 4, "speech_start": 15.104999999999997, "speech_end": 20.689999999999998, "scene_end": 21.209999999999997, "duration": 6.105, "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 pɹˈiːvjuː lˈQdz ɐ bˈWndɪd pˈAʤ wˌIl ɹɪpˈɔːtɪŋ ðə kəmplˈiːt ɹˈQ and kˈɒləm kˈWnts sˈɛpəɹətli.", "authored_hold_after": 0.7, "hold_after": 0.52, "base_speed": 0.92, "speed_multiplier": 1.0, "effective_speed": 0.92, "sentences": [ { "sentence": 1, "speech_start": 15.104999999999997, "speech_end": 20.689999999999998, "audible_start": 15.204999999999997, "audible_end": 20.509999999999998, "duration": 5.585, "gap_from_previous": null, "trimmed_lead": 0.17, "trimmed_tail": 0.37, "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 pɹˈiːvjuː lˈQdz ɐ bˈWndɪd pˈAʤ wˌIl ɹɪpˈɔːtɪŋ ðə kəmplˈiːt ɹˈQ and kˈɒləm kˈWnts sˈɛpəɹətli." } ] }, { "scene": 5, "speech_start": 21.209999999999997, "speech_end": 26.689999999999998, "scene_end": 27.209999999999997, "duration": 6.0, "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": "sˈɜːʧ kˈɒləmz tə mˌAk wˈId fˈiːʧə tˈAbᵊlz ɹˈiːdəbᵊl wɪðˈWt ʧˈAnʤɪŋ ði ˌʌndəlˈIɪŋ ɹˈQz.", "authored_hold_after": 0.7, "hold_after": 0.52, "base_speed": 0.92, "speed_multiplier": 1.0, "effective_speed": 0.92, "sentences": [ { "sentence": 1, "speech_start": 21.209999999999997, "speech_end": 26.689999999999998, "audible_start": 21.31, "audible_end": 26.509999999999998, "duration": 5.48, "gap_from_previous": null, "trimmed_lead": 0.145, "trimmed_tail": 0.375, "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": "sˈɜːʧ kˈɒləmz tə mˌAk wˈId fˈiːʧə tˈAbᵊlz ɹˈiːdəbᵊl wɪðˈWt ʧˈAnʤɪŋ ði ˌʌndəlˈIɪŋ ɹˈQz." } ] }, { "scene": 6, "speech_start": 27.209999999999997, "speech_end": 34.035, "scene_end": 34.555, "duration": 7.345000000000002, "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 stɹˈʌkʧəd fˈɪltə. kˈɒləm nˈAmz and ˈɒpəɹAtəz ɑː vˈalɪdAtɪd, and vˈaljuːz ɑː bˈWnd sˈAfli.", "authored_hold_after": 0.7, "hold_after": 0.52, "base_speed": 0.92, "speed_multiplier": 1.0, "effective_speed": 0.92, "sentences": [ { "sentence": 1, "speech_start": 27.209999999999997, "speech_end": 29.314999999999998, "audible_start": 27.31, "audible_end": 29.134999999999998, "duration": 2.105, "gap_from_previous": null, "trimmed_lead": 0.125, "trimmed_tail": 0.22, "text": "Build a structured filter.", "speech_text": "Build a structured filter.", "phonemes": "bˈɪld ɐ stɹˈʌkʧəd fˈɪltə." }, { "sentence": 2, "speech_start": 29.435, "speech_end": 34.035, "audible_start": 29.534999999999997, "audible_end": 33.855, "duration": 4.6, "gap_from_previous": 0.4, "trimmed_lead": 0.175, "trimmed_tail": 0.35, "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": "kˈɒləm nˈAmz and ˈɒpəɹAtəz ɑː vˈalɪdAtɪd, and vˈaljuːz ɑː bˈWnd sˈAfli." } ] }, { "scene": 7, "speech_start": 34.555, "speech_end": 40.065, "scene_end": 40.585, "duration": 6.030000000000001, "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 ɪɡzˈakt fˈɪltəd kˈWnt dɪskɹˈIbz ðə fˈʊl kwˈɪəɹi ˈiːvᵊn ðˌQ ˈQnli wˈʌn pˈAʤ ɪz dɹˈɔːn.", "authored_hold_after": 0.7, "hold_after": 0.52, "base_speed": 0.92, "speed_multiplier": 1.0, "effective_speed": 0.92, "sentences": [ { "sentence": 1, "speech_start": 34.555, "speech_end": 40.065, "audible_start": 34.655, "audible_end": 39.885, "duration": 5.51, "gap_from_previous": null, "trimmed_lead": 0.175, "trimmed_tail": 0.365, "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 ɪɡzˈakt fˈɪltəd kˈWnt dɪskɹˈIbz ðə fˈʊl kwˈɪəɹi ˈiːvᵊn ðˌQ ˈQnli wˈʌn pˈAʤ ɪz dɹˈɔːn." } ] }, { "scene": 8, "speech_start": 40.585, "speech_end": 47.67, "scene_end": 48.190000000000005, "duration": 7.605000000000004, "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": "ˈɛkspɔːt ðə kəmplˈiːt kˈʌɹənt fˈɪltə and vˈɪzɪbᵊlkˌɒləm sɪlˈɛkʃᵊn. ðə sˈɔːs dˈAtəbAs ɹɪmˈAnz ʌnʧˈAnʤd.", "authored_hold_after": 0.7, "hold_after": 0.52, "base_speed": 0.92, "speed_multiplier": 1.0, "effective_speed": 0.92, "sentences": [ { "sentence": 1, "speech_start": 40.585, "speech_end": 44.615, "audible_start": 40.685, "audible_end": 44.435, "duration": 4.03, "gap_from_previous": null, "trimmed_lead": 0.16, "trimmed_tail": 0.31, "text": "Export the complete current filter and visible-column selection.", "speech_text": "Export the complete current filter and visible-column selection.", "phonemes": "ˈɛkspɔːt ðə kəmplˈiːt kˈʌɹənt fˈɪltə and vˈɪzɪbᵊlkˌɒləm sɪlˈɛkʃᵊn." }, { "sentence": 2, "speech_start": 44.735, "speech_end": 47.67, "audible_start": 44.835, "audible_end": 47.49, "duration": 2.935, "gap_from_previous": 0.4, "trimmed_lead": 0.155, "trimmed_tail": 0.31, "text": "The source database remains unchanged.", "speech_text": "The source database remains unchanged.", "phonemes": "ðə sˈɔːs dˈAtəbAs ɹɪmˈAnz ʌnʧˈAnʤd." } ] } ] }