Files
SnapOtter/apps/docs/tools/audio/audio-channels.md
T
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

47 lines
1.4 KiB
Markdown

---
description: Convert between mono and stereo or swap left and right channels.
---
# Audio Channels {#audio-channels}
Convert audio between mono and stereo layouts, or swap the left and right channels of a stereo file.
## API Endpoint {#api-endpoint}
`POST /api/v1/tools/audio/audio-channels`
Accepts multipart form data with an audio file and a JSON `settings` field.
## Parameters {#parameters}
| Parameter | Type | Required | Default | Description |
|-----------|------|----------|---------|-------------|
| mode | string | Yes | - | Channel operation: `stereo-to-mono`, `mono-to-stereo`, `swap` |
## Example Request {#example-request}
```bash
curl -X POST http://localhost:1349/api/v1/tools/audio/audio-channels \
-H "Authorization: Bearer si_your-api-key" \
-F "file=@audio.mp3" \
-F 'settings={"mode": "stereo-to-mono"}'
```
## Example Response {#example-response}
```json
{
"jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
"downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/audio.mp3",
"originalSize": 4500000,
"processedSize": 2300000
}
```
## Notes {#notes}
- `stereo-to-mono` mixes both channels into a single mono track.
- `mono-to-stereo` duplicates the mono channel to both left and right.
- `swap` exchanges the left and right channels of a stereo file.
- Output usually keeps the input container. AAC input is written as M4A, and unsupported decode-only inputs fall back to MP3.