Suno · 音乐
获取乐器音轨（MIDI）
📌 这是什么：把一首歌拆成多条音轨（人声、鼓、贝斯、其它乐器等），并可获取乐器 MIDI。
💡 什么时候用：需要做精细混音、重新编曲或拿乐器 MIDI 时用。
接口地址
| 用途 | 方法 | 路径 |
|---|---|---|
| 提交任务 | POST | /api/cqt/generator/suno |
| 查询结果 | GET | /api/cqt/info/suno?id={taskId} |
请求参数
| 参数 | 类型 | 必填 | 说明 |
|---|---|---|---|
| task | string | 必填 | 固定填 gen_stem_all |
| clipId | string | 必填 | 要分离的歌曲片段 ID |
请求示例
curl -X POST https://api.cqtai.com/api/cqt/generator/suno \
-H 'Authorization: Bearer <API_KEY>' \
-H 'Content-Type: application/json' \
-d '{ "task":"gen_stem_all", "clipId":"05d72140-38f5-4eb4-bdaa-a6e0d1c1167e" }'
# -> { "code":200, "data":"<taskId>" }响应示例
{
"code": 200,
"msg": "success",
"data": {
"id": "b1405dadb0374f29a87a5657bc89f952",
"taskType": "gen_stem_all",
"status": "succeeded",
"errorMsg": "",
"param": { "task": "gen_stem_all", "clipId": "05d72140-38f5-4eb4-bdaa-a6e0d1c1167e" },
"result": [
{
"id": "bd83b47f-e4e1-4a14-a01f-a97e4206fbe6",
"title": " (Vocals)",
"status": "complete",
"metadata": {
"task": "gen_stem",
"type": "gen",
"duration": 167.36,
"is_remix": true,
"stem_task": "twelve",
"stem_from_id": "05d72140-38f5-4eb4-bdaa-a6e0d1c1167e",
"stem_type_id": 91,
"edited_clip_id": "05d72140-38f5-4eb4-bdaa-a6e0d1c1167e",
"secondary_badges": [
{ "icon_key": "stem", "display_name": "Stem",
"dark": { "text_color": "A3A3A3", "border_color": "00000000", "background_color": "FFFFFF0C" },
"light": { "text_color": "7D7C83", "border_color": "00000000", "background_color": "1C1C1F0A" } }
],
"stem_type_group_name": "Vocals"
},
"audio_url": "https://cdn1.suno.ai/bd83b47f-e4e1-4a14-a01f-a97e4206fbe6.mp3",
"image_url": "https://cdn2.suno.ai/image_bd83b47f-e4e1-4a14-a01f-a97e4206fbe6.jpeg",
"model_name": "chirp-ahi",
"batch_index": 0,
"created_at": "2026-01-09T12:17:22.932Z",
"major_model_version": "v4.5"
},
{ "id": "1494b458-...", "title": " (Backing Vocals)", "audio_url": "https://cdn1.suno.ai/1494b458-....mp3", "batch_index": 1 },
{ "id": "d2917197-...", "title": " (Drums)", "audio_url": "https://cdn1.suno.ai/d2917197-....mp3", "batch_index": 2 },
{ "id": "6ff067b2-...", "title": " (Bass)", "audio_url": "https://cdn1.suno.ai/6ff067b2-....mp3", "batch_index": 3 },
{ "id": "5b8c4bf3-...", "title": " (Guitar)", "audio_url": "https://cdn1.suno.ai/5b8c4bf3-....mp3", "batch_index": 4 },
{ "id": "5e6f8f57-...", "title": " (Keyboard)", "audio_url": "https://cdn1.suno.ai/5e6f8f57-....mp3", "batch_index": 5 },
{ "id": "8c5ec56d-...", "title": " (Percussion)", "audio_url": "https://cdn1.suno.ai/8c5ec56d-....mp3", "batch_index": 6 },
{ "id": "f6e1121a-...", "title": " (Strings)", "audio_url": "https://cdn1.suno.ai/f6e1121a-....mp3", "batch_index": 7 },
{ "id": "7ff03494-...", "title": " (Synth)", "audio_url": "https://cdn1.suno.ai/7ff03494-....mp3", "batch_index": 8 },
{ "id": "c5ca419a-...", "title": " (FX)", "audio_url": "https://cdn1.suno.ai/c5ca419a-....mp3", "batch_index": 9 },
{ "id": "9121a113-...", "title": " (Brass)", "audio_url": "https://cdn1.suno.ai/9121a113-....mp3", "batch_index": 10 },
{ "id": "444f89cf-...", "title": " (Woodwinds)", "audio_url": "https://cdn1.suno.ai/444f89cf-....mp3", "batch_index": 11 }
]
}
}响应字段说明
| 字段 | 类型 | 说明 |
|---|---|---|
| code | number | 状态码，200 表示成功 |
| msg | string | 提示信息 |
| data.id | string | 任务 ID（= 提交时拿到的 taskId，用于轮询查询） |
| data.taskType | string | 任务类型，恒为 gen_stem_all |
| data.status | string | 任务状态：pending 处理中 / succeeded 成功 / failed 失败 |
| data.errorMsg | string | 失败原因，成功时为空 |
| data.param | object | 原样回显你提交的请求参数 |
| data.result | array | 分离出的音轨数组（人声/鼓/贝斯/吉他/键盘等，通常 12 条） |
| data.result[].id | string | 该音轨的 clipId，可继续用于导出等 |
| data.result[].title | string | 音轨名称，如 " (Vocals)" / " (Drums)" / " (Bass)" |
| data.result[].audio_url | string | 该音轨的音频地址（mp3） |
| data.result[].batch_index | number | 音轨序号（0=Vocals … 递增到最后一条） |
| data.result[].metadata.stem_type_group_name | string | 音轨类别，如 Vocals / Drums / Bass |
| data.result[].metadata.duration | number | 音轨时长（秒） |
| data.result[].status | string | 音轨状态，complete 表示可下载 |
计费与积分
150 积分（× 你的用户费率）。任务失败自动退回。