cineaudiosynth / data /scene_0039 /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": "action_sfx",
"scene_type_config": {
"speech_prob": 0.6,
"music_prob": 0.8,
"ambience_prob": 0.7,
"sfx_range": [
5,
12
],
"duck_music": true,
"duck_sfx": true,
"gain_offsets": {
"speech": 3.0,
"music": 0.0,
"ambience": -6.0,
"sfx": 6.0
}
},
"scene_plan": {
"events": [
{
"timestamp": 0.5,
"description": "Crunchy burger bite"
},
{
"timestamp": 4.2,
"description": "Wet chewing sounds"
},
{
"timestamp": 11.8,
"description": "Audible swallow"
},
{
"timestamp": 18.5,
"description": "Burger wrapper rustling"
},
{
"timestamp": 25.4,
"description": "Loud soda slurp"
},
{
"timestamp": 33.2,
"description": "Tray sliding on table"
},
{
"timestamp": 38.7,
"description": "Plastic fork scraping"
},
{
"timestamp": 45.1,
"description": "Messy fries chewing"
},
{
"timestamp": 54.3,
"description": "Paper bag crinkling"
},
{
"timestamp": 62.6,
"description": "Heavy bite and chew"
},
{
"timestamp": 67.9,
"description": "Napkin wiping mouth"
}
],
"gemini_context": {
"music_tag": "rock",
"ambience_cue": "Busy fast food restaurant with kitchen sizzle and distant chatter",
"events": [
{
"sound": "Crunchy burger bite",
"timestamp": 0.5
},
{
"sound": "Wet chewing sounds",
"timestamp": 4.2
},
{
"sound": "Audible swallow",
"timestamp": 11.8
},
{
"sound": "Burger wrapper rustling",
"timestamp": 18.5
},
{
"sound": "Loud soda slurp",
"timestamp": 25.4
},
{
"sound": "Tray sliding on table",
"timestamp": 33.2
},
{
"sound": "Plastic fork scraping",
"timestamp": 38.7
},
{
"sound": "Messy fries chewing",
"timestamp": 45.1
},
{
"sound": "Paper bag crinkling",
"timestamp": 54.3
},
{
"sound": "Heavy bite and chew",
"timestamp": 62.6
},
{
"sound": "Napkin wiping mouth",
"timestamp": 67.9
}
]
},
"dialogue_duration_sec": 68.88,
"token_usage": {
"usage_metadata": {
"prompt_token_count": 2276,
"candidates_token_count": 337,
"total_token_count": 3580
},
"model": "gemini-3-flash-preview"
},
"scene_type": "action_sfx",
"scene_type_config": {
"speech_prob": 0.6,
"music_prob": 0.8,
"ambience_prob": 0.7,
"sfx_range": [
5,
12
],
"duck_music": true,
"duck_sfx": true,
"gain_offsets": {
"speech": 3.0,
"music": 0.0,
"ambience": -6.0,
"sfx": 6.0
}
},
"has_music": true,
"has_ambience": true
},
"critic_adjustments": {
"speech": {
"compressor": {
"threshold": -20,
"ratio": 3.5
},
"reverb": {
"type": "small_room",
"wet_amount": 0.15
},
"gain_db": 3.5,
"low_cut_hz": 100
},
"music": {
"gain_db": -10.5,
"low_cut_hz": 150,
"reverb": {
"type": "small_room",
"wet_amount": 0.05
}
},
"ambience": {
"gain_db": -6.0
},
"sfx": {
"gain_db": -9.0,
"reverb": {
"type": "small_room",
"wet_amount": 0.1
},
"low_cut_hz": 80
}
},
"sfx_event_settings": {
"sfx_0": {
"gain_db": 1.5,
"reverb": {
"type": "small_room",
"wet_amount": 0.1
}
},
"sfx_1": {
"gain_db": -1.0,
"reverb": {
"type": "small_room",
"wet_amount": 0.05
}
},
"sfx_2": {
"gain_db": -0.5,
"reverb": {
"type": "dry",
"wet_amount": 0.0
}
},
"sfx_3": {
"gain_db": -3.0,
"reverb": {
"type": "small_room",
"wet_amount": 0.1
}
},
"sfx_4": {
"gain_db": 0.5,
"reverb": {
"type": "small_room",
"wet_amount": 0.1
}
},
"sfx_5": {
"gain_db": -2.0,
"reverb": {
"type": "small_room",
"wet_amount": 0.2
}
},
"sfx_6": {
"gain_db": -4.0,
"reverb": {
"type": "small_room",
"wet_amount": 0.15
}
},
"sfx_7": {
"gain_db": -1.5,
"reverb": {
"type": "small_room",
"wet_amount": 0.05
}
},
"sfx_8": {
"gain_db": -3.5,
"reverb": {
"type": "small_room",
"wet_amount": 0.1
}
},
"sfx_9": {
"gain_db": 1.0,
"reverb": {
"type": "small_room",
"wet_amount": 0.1
}
},
"sfx_10": {
"gain_db": -2.0,
"reverb": {
"type": "small_room",
"wet_amount": 0.05
}
}
},
"token_usage": {
"director": {
"usage_metadata": {
"prompt_token_count": 2276,
"candidates_token_count": 337,
"total_token_count": 3580
},
"model": "gemini-3-flash-preview"
},
"critic": {
"usage_metadata": {
"prompt_token_count": 3490,
"candidates_token_count": 958,
"total_token_count": 5523
},
"model": "gemini-3-flash-preview"
},
"total_token_count": 9103
},
"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": -26.051325835743427,
"true_peak_dbtp": -8.94235446922676
}
},
"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": -18.804592358357144,
"true_peak_dbtp": -0.999854487670355
},
"additivity_error_pcm16": 0.0,
"peak_normalization": {
"applied": true,
"gain_db": -5.502,
"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": -27.462876926211905,
"true_peak_dbtp": -12.072503634673787
}
}
},
"linear_additivity_verified": true
}