cineaudiosynth / data /scene_0049 /metadata.json
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CineAudioSynth: 453 synthetic cinematic scenes, 48kHz/16-bit stereo WAV stems (speech/music/ambience/sfx) with linear & release mixes
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{
"scene_type": "balanced",
"scene_type_config": {
"speech_prob": 1.0,
"music_prob": 1.0,
"ambience_prob": 1.0,
"sfx_range": [
2,
6
],
"duck_music": true,
"duck_sfx": true,
"gain_offsets": {
"speech": 0.0,
"music": 0.0,
"ambience": 0.0,
"sfx": 0.0
}
},
"scene_plan": {
"events": [
{
"timestamp": 25.5,
"description": "Wine glass clinking"
},
{
"timestamp": 53.2,
"description": "Beer mug on table"
},
{
"timestamp": 78.4,
"description": "Rustling paper bill"
},
{
"timestamp": 115.0,
"description": "Fork scraping plate"
},
{
"timestamp": 142.8,
"description": "Distant background laughter"
}
],
"gemini_context": {
"music_tag": "confusion scape",
"ambience_cue": "Lively restaurant background with muffled chatter and clinking cutlery",
"events": [
{
"sound": "Wine glass clinking",
"timestamp": 25.5
},
{
"sound": "Beer mug on table",
"timestamp": 53.2
},
{
"sound": "Rustling paper bill",
"timestamp": 78.4
},
{
"sound": "Fork scraping plate",
"timestamp": 115.0
},
{
"sound": "Distant background laughter",
"timestamp": 142.8
}
]
},
"dialogue_duration_sec": 164.008,
"token_usage": {
"usage_metadata": {
"prompt_token_count": 4641,
"candidates_token_count": 180,
"total_token_count": 5643,
"cached_content_token_count": 3229
},
"model": "gemini-3-flash-preview"
},
"scene_type": "balanced",
"scene_type_config": {
"speech_prob": 1.0,
"music_prob": 1.0,
"ambience_prob": 1.0,
"sfx_range": [
2,
6
],
"duck_music": true,
"duck_sfx": true,
"gain_offsets": {
"speech": 0.0,
"music": 0.0,
"ambience": 0.0,
"sfx": 0.0
}
},
"has_music": true,
"has_ambience": true
},
"critic_adjustments": {
"speech": {
"compressor": {
"threshold": -22,
"ratio": 4.0
},
"reverb": {
"type": "large_room",
"wet_amount": 0.2
},
"gain_db": 6.0
},
"music": {
"gain_db": -14.0,
"low_cut_hz": 180,
"reverb": {
"type": "large_room",
"wet_amount": 0.15
}
},
"ambience": {
"gain_db": -6.0
},
"sfx": {
"gain_db": -13.0,
"reverb": {
"type": "room",
"wet_amount": 0.017
},
"low_cut_hz": 100
}
},
"sfx_event_settings": {
"sfx_0": {
"gain_db": -2.0,
"reverb": {
"type": "small_room",
"wet_amount": 0.25
}
},
"sfx_1": {
"gain_db": 0.0,
"reverb": {
"type": "small_room",
"wet_amount": 0.2
}
},
"sfx_2": {
"gain_db": -5.0,
"reverb": {
"type": "dry",
"wet_amount": 0.0
}
},
"sfx_3": {
"gain_db": -6.0,
"reverb": {
"type": "small_room",
"wet_amount": 0.15
}
},
"sfx_4": {
"gain_db": -3.0,
"reverb": {
"type": "large_room",
"wet_amount": 0.4
}
}
},
"token_usage": {
"director": {
"usage_metadata": {
"prompt_token_count": 4641,
"candidates_token_count": 180,
"total_token_count": 5643,
"cached_content_token_count": 3229
},
"model": "gemini-3-flash-preview"
},
"critic": {
"usage_metadata": {
"prompt_token_count": 5753,
"candidates_token_count": 591,
"total_token_count": 7227
},
"model": "gemini-3-flash-preview"
},
"total_token_count": 12870
},
"outputs": {
"raw": null,
"rough": {
"stem_paths": {
"speech": "rough/speech.wav",
"music": "rough/music.wav",
"ambience": "rough/ambience.wav",
"sfx": "rough/sfx.wav"
},
"mix_path": "rough/mix.wav",
"loudness": {
"integrated_lufs": -26.898926991612313,
"true_peak_dbtp": -11.002405654464509
}
},
"linear": {
"stem_paths": {
"speech": "linear/speech.wav",
"music": "linear/music.wav",
"ambience": "linear/ambience.wav",
"sfx": "linear/sfx.wav"
},
"mix_path": "linear/mix.wav",
"envelope_path": "linear/gain_envelope.json",
"additivity_error": 0.0,
"loudness": {
"loudness_lufs": -16.661135185308417,
"true_peak_dbtp": -0.999854487670355
},
"additivity_error_pcm16": 0.0,
"peak_normalization": {
"applied": true,
"gain_db": -0.2629,
"target_peak_dbfs": -1.0,
"note": "shared gain on mix and all stems; preserves mix == sum(stems)"
}
},
"release": {
"stem_paths": {
"speech": "release/speech.wav",
"music": "release/music.wav",
"ambience": "release/ambience.wav",
"sfx": "release/sfx.wav"
},
"mix_path": "release/mix.wav",
"loudness": {
"integrated_lufs": -27.02089354833878,
"true_peak_dbtp": -13.333512634628716
}
}
},
"linear_additivity_verified": true
}