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All 181 docs markdown files translated into 20 languages (apps/docs/<locale>/**). Companion to the i18n code PR; admin-merged because the file count exceeds GitHub's per-PR CI trigger limit. Validated by pnpm i18n:check (all surfaces, 0 stale/missing) and a clean all-locale docs build.
50 lines
1.5 KiB
Markdown
50 lines
1.5 KiB
Markdown
---
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description: "在单声道和立体声之间转换，或交换左右声道。"
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i18n_source_hash: 4f5cd6b38c83
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i18n_provenance: human
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i18n_output_hash: e59e20ee2873
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---
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# 音频声道 {#audio-channels}
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在单声道和立体声布局之间转换音频，或交换立体声文件的左右声道。
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## API 端点 {#api-endpoint}
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`POST /api/v1/tools/audio/audio-channels`
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接受包含一个音频文件和一个 JSON `settings` 字段的 multipart 表单数据。
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## 参数 {#parameters}
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| Parameter | Type | Required | Default | Description |
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|-----------|------|----------|---------|-------------|
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| mode | string | Yes | - | 声道操作：`stereo-to-mono`、`mono-to-stereo`、`swap` |
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## 请求示例 {#example-request}
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```bash
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curl -X POST http://localhost:1349/api/v1/tools/audio/audio-channels \
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-H "Authorization: Bearer si_your-api-key" \
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-F "file=@audio.mp3" \
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-F 'settings={"mode": "stereo-to-mono"}'
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```
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## 响应示例 {#example-response}
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```json
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{
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"jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
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"downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/audio.mp3",
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"originalSize": 4500000,
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"processedSize": 2300000
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}
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```
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## 说明 {#notes}
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- `stereo-to-mono` 将两个声道混合为单个单声道轨道。
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- `mono-to-stereo` 将单声道声道复制到左右两个声道。
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- `swap` 交换立体声文件的左右声道。
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- 输出通常保留输入容器。AAC 输入会写为 M4A，不支持的仅解码输入会回退为 MP3。
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