Tokyo Urban Drift

busy city hum, distant trains and layered street life

Failed
Id
65843efb-7ca5-47e4-a292-9cdb6c86f6c7
Prompt
busy city Tokyo
Duration
45 minutes
Intended duration
45 minutes
Audio status
Failed
Image status
Ready
Loop segment
No
Created
7/30/2026 4:16:15 PM
Updated
7/30/2026 4:17:36 PM
Favorite
No
Mobile feed
Hidden
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Audio

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Remix

Generated Media Metadata

TypeProviderModelURLCreated
Image LocalPlaceholder local-svg-placeholder /media/sleep-worlds/65843efb7ca547e4a2929cdb6c86f6c7/images/placeholder-144258f4... 7/30/2026 4:16:40 PM
Audio Truth

No audio truth diagnostics recorded yet.

Mix, cache, and entitlement diagnostics
CityAmbience: prompt-critical layer was not available for composition.
Traffic: prompt-critical layer was not available for composition.
Removed TrainRumble layer because it contains unrequested Cars. Rejected TrainRumble candidate because it contains unrequested Cars; asset='distant train rumble'; requestedGroup=TrainRumble; groups=Cars:0.76|Train:0.68|TrainRumble:0.63|Traffic:0.55.
CityAmbience: prompt-critical layer was not included in final mix (CityAmbience: no matching asset and no procedural fallback).
Traffic: prompt-critical layer was not included in final mix (Traffic: no matching asset and no procedural fallback).
TrainRumble: prompt-critical layer was not included in final mix (not selected into final mix).
Prompt-critical layer skipped: CityAmbience. Reason: CityAmbience: no matching asset and no procedural fallback.
Prompt-critical layer skipped: Traffic. Reason: Traffic: no matching asset and no procedural fallback.
Prompt-critical layer skipped: TrainRumble. Reason: not included in final mix.
Title/subtitle mentions 'Train', but no matching audio layer is included in the final mix.
Title/subtitle mentions 'City', but no matching audio layer is included in the final mix.
Title/subtitle mentions 'Street', but no matching audio layer is included in the final mix.
Final mix contains only base/support layers; semantic soundscape coverage is partial.
Prompt-critical coverage is partial: 3 layer(s) missing.
Audio Truth partial mix: only neutral support layers were included while prompt requested City.
Soundscape Quality blocked neutral-only mix: prompt requested City, Traffic, TrainRumble.
Soundscape Quality partial coverage: missing City, Traffic, TrainRumble.
Soundscape Quality blocked coverage ratio 0.00; minimum is 0.75.
["BrownNoise:NoiseBase:selectedAsset=procedural:scenePerspective=UrbanNight:anchor=False:requestedVolume=0.07:preVolume=0.04:ducking=0.60:finalVolume=0.02:sourceDurationSeconds=procedural:loopSeamRisk=False:filters=lowpass=1200,pan=0.00,stereoWidth=0.30:reason=role NoiseBase shaped for UrbanNight; ducked under TrainRumble:procedural=True"]
Plan JSON
{"mood": "awake-soft, bustling-yet-calm, sleepy urban", "avoid": ["sudden loud transients", "sirens and alarms", "clear intelligible speech", "sharp horns and screeching brakes", "close-up vocal lines", "alarms", "sirens", "close voices", "harsh high frequencies"], "title": "Tokyo Urban Drift", "planTags": ["UrbanNight", "awake-soft, bustling-yet-calm, sleepy urban", "A wide Tokyo street at dusk viewed from a slightly elevated", "CityAmbience", "PrimaryEnvironment", "Traffic", "UrbanMotion", "TrainRumble", "Motion", "CrowdAmbience", "Texture", "BrownNoise"], "subtitle": "busy city hum, distant trains and layered street life", "mixIntent": 11, "audioLayers": [{"pan": 0, "role": 10, "tags": ["Tokyo city ambience", "neon hum", "distant urban reverb", "night street background", "distant", "soft", "background", "sleep-safe"], "type": 20, "volume": 0.22066000000000002, "distance": 0.78, "priority": 1, "intensity": 0.27576, "soundIntent": "nighttime Tokyo street atmosphere with layered distant traffic, neon hum, and large-scale urban reverberation", "stereoWidth": 0.8, "avoidAssetIds": [], "semanticGroup": 15, "negativeIntent": "no sirens, no loud alarms, no sharp horns, no clear speech, no music, no screaming", "promptCritical": true, "diagnosticLabel": null, "optionalAssetId": null, "intentConfidence": 0.92, "requiredStrength": 2, "preferenceOwnerId": "google:100174495397662898536", "requestedSceneRole": "soft urban background bed"}, {"pan": 0.1, "role": 15, "tags": ["urban traffic", "city cars", "scooter flow", "busy avenue", "distant", "soft", "background", "sleep-safe"], "type": 21, "volume": 0.19684000000000001, "distance": 0.66, "priority": 6, "intensity": 0.2406, "soundIntent": "soft rolling car and scooter flow passing at moderate distance along busy Tokyo avenues", "stereoWidth": 0.7, "avoidAssetIds": [], "semanticGroup": 10, "negativeIntent": "no close loud passing cars, no screeching brakes, no sirens, no aggressive honks, no music", "promptCritical": true, "diagnosticLabel": null, "optionalAssetId": null, "intentConfidence": 0.9, "requiredStrength": 2, "preferenceOwnerId": "google:100174495397662898536", "requestedSceneRole": "distant traffic motion"}, {"pan": 0.08, "role": 5, "tags": ["distant train rumble", "subway passby", "rail underpass", "muted train bed", "Tokyo trains", "background"], "type": 8, "volume": 0.22, "distance": 0.9, "priority": 13, "intensity": 0.146, "soundIntent": "occasional distant subway and local train rumble passing under bridges and through stations, muted and rhythmic", "stereoWidth": 0.6, "avoidAssetIds": [], "semanticGroup": 9, "negativeIntent": "no station announcements with clear speech, no loud train horns, no abrupt passing trains, no screeching brakes", "promptCritical": true, "diagnosticLabel": null, "optionalAssetId": null, "intentConfidence": 0.86, "requiredStrength": 2, "preferenceOwnerId": "google:100174495397662898536", "requestedSceneRole": "distant background texture"}, {"pan": -0.12, "role": 7, "tags": ["pedestrian murmur", "sidewalk crowd", "crosswalk footsteps", "distant people", "distant", "indistinct", "background", "no clear speech"], "type": 19, "volume": 0.10096000000000001, "distance": 0.82, "priority": 12, "intensity": 0.13572, "soundIntent": "distant indistinct Tokyo pedestrian murmur and footsteps from sidewalks and crosswalks, mixed voices intentionally unintelligible", "stereoWidth": 0.68, "avoidAssetIds": [], "semanticGroup": 17, "negativeIntent": "no close voices, no clear speech, no shouting, no singing, no announcements with clear words", "promptCritical": false, "diagnosticLabel": null, "optionalAssetId": null, "intentConfidence": 0.88, "requiredStrength": 0, "preferenceOwnerId": "google:100174495397662898536", "requestedSceneRole": "distant background texture"}, {"pan": 0, "role": 1, "tags": ["soft brown noise", "low base", "sleep-safe bed", "mix glue", "steady low-frequency"], "type": 11, "volume": 0.07352, "distance": 0.18, "priority": 20, "intensity": 0.11352, "soundIntent": "soft low-frequency brown noise bed to glue urban layers and reduce transient harshness", "stereoWidth": 0.3, "avoidAssetIds": [], "semanticGroup": 0, "negativeIntent": "no tonal drones, no melodic pads, no sudden bursts, no highs emphasized", "promptCritical": false, "diagnosticLabel": null, "optionalAssetId": null, "intentConfidence": 0.7, "requiredStrength": 0, "preferenceOwnerId": "google:100174495397662898536", "requestedSceneRole": null}], "visualScene": {"scene": "A wide Tokyo street at dusk viewed from a slightly elevated sidewalk angle, neon signs and train overpasses receding into depth, small crowds crossing, no distinct faces", "style": "subtle cinematic urban realism with dreamy softness, sleep-safe low-stimulation playback art", "palette": "neon cyan, deep indigo, warm amber, muted gray", "weather": "clear night with slight urban haze and soft glow around lights", "lighting": "mixed cool neon blues and warm shop amber, soft streetlight pools, gentle reflections on wet pavement", "negativePrompt": "no gore, no weapons, no aggressive reds, no sharp contrast, no readable text or logos, no disturbing faces, no crowds in panic, horror, disturbing faces, gore, weapons, screaming, aggressive contrast, sharp red flashing lights, chaotic composition, text, logo, watermark"}, "durationMinutes": 45}
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