Split Audio

Split an audio file into segments by fixed time intervals, equal parts, or automatic silence detection. Returns a ZIP archive of the segments.

API Endpoint

POST /api/v1/tools/split-audio

Accepts multipart form data with an audio file and a JSON settings field.

Parameters

Parameter	Type	Required	Default	Description
mode	string	No	"time"	Split strategy: time, parts, silence
segmentS	number	No	60	Segment length in seconds, 1 to 3600 (used when mode is time)
parts	integer	No	2	Number of equal parts, 2 to 20 (used when mode is parts)
thresholdDb	number	No	-40	Silence threshold in dB, -80 to -20 (used when mode is silence)
minSilenceS	number	No	0.3	Minimum silence gap in seconds, 0.1 to 10 (used when mode is silence)

Example Request

Split into 30-second segments:

curl -X POST http://localhost:1349/api/v1/tools/split-audio \
  -H "Authorization: Bearer si_your-api-key" \
  -F "[email protected]" \
  -F 'settings={"mode": "time", "segmentS": 30}'

Split by silence detection:

curl -X POST http://localhost:1349/api/v1/tools/split-audio \
  -H "Authorization: Bearer si_your-api-key" \
  -F "[email protected]" \
  -F 'settings={"mode": "silence", "thresholdDb": -35, "minSilenceS": 0.5}'

Example Response

{
  "jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/audio_parts.zip",
  "originalSize": 4500000,
  "processedSize": 4600000
}

Notes

• The downloadUrl points to a ZIP archive containing all segments.
• Only the parameters relevant to the chosen mode are used; others are ignored.
• Segment filenames are numbered sequentially (e.g. part-000.mp3, part-001.mp3).
• Output format matches the input format.