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SnapOtter/apps/docs/tools/audio/split-audio.md
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SnapOtterandGitHub 00b651c9f8 feat(i18n): 21-language pipeline, landing/docs/API wiring, landing+API translations
Shared Claude Code translation pipeline (scripts/i18n, no API key) plus Astro/VitePress/Scalar i18n wiring. Landing and API reference translated into all 20 languages; docs i18n wiring + English source anchors. The translated docs markdown (apps/docs/<locale>/**, 3,620 files) follows in a companion PR because it exceeds GitHub's per-PR CI file limit.
2026-07-11 13:01:55 +08:00

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---
description: Split audio by time intervals, equal parts, or silence detection.
---
# Split Audio {#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 {#api-endpoint}
`POST /api/v1/tools/audio/split-audio`
Accepts multipart form data with an audio file and a JSON `settings` field.
## Parameters {#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 {#example-request}
Split into 30-second segments:
```bash
curl -X POST http://localhost:1349/api/v1/tools/audio/split-audio \
-H "Authorization: Bearer si_your-api-key" \
-F "file=@audio.mp3" \
-F 'settings={"mode": "time", "segmentS": 30}'
```
Split by silence detection:
```bash
curl -X POST http://localhost:1349/api/v1/tools/audio/split-audio \
-H "Authorization: Bearer si_your-api-key" \
-F "file=@audio.mp3" \
-F 'settings={"mode": "silence", "thresholdDb": -35, "minSilenceS": 0.5}'
```
## Example Response {#example-response}
```json
{
"jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/audio_parts.zip",
"originalSize": 4500000,
"processedSize": 4600000
}
```
## Notes {#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.