GET

/v1/schemas/fal/audio/fal-ai%2Fworkflow-utilities%2Faudio-compressor

kind inputactivity audiohash 6556dbfaextracted Jul 6, 2026version currentsource upstream spec ↗

Request body

8 properties · 1 required · 0 $defs
propertytypedescriptionconstraints
audio_url*stringURL of the audio file to compress
makeupnumberMakeup gain in dB to compensate for volume reduction0 ≤ n ≤ 64 · default: 8
rationumberCompression ratio (1 = no compression, higher = more compression)1 ≤ n ≤ 20 · default: 3
attacknumberAttack time in milliseconds (how fast compression starts)0.01 ≤ n ≤ 2000 · default: 5
thresholdnumberThreshold level in dB above which compression is applied (-60 to 0)-60 ≤ n ≤ 0 · default: -18
kneenumberKnee width in dB for soft knee compression (0 = hard knee)1 ≤ n ≤ 8 · default: 2.83
output_bitrateenumOutput audio bitrate128k | 192k | 256k | 320k · default: "192k"
releasenumberRelease time in milliseconds (how fast compression stops)0.01 ≤ n ≤ 9000 · default: 50

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/workflow-utilities/audio-compressor","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}