AI 降噪

去除音频中的背景噪声，输出更干净的人声（基于 ClearVoice）。异步任务，提交后用返回的 task_id 轮询。

Base URL：https://api.aiclonevoicefree.com ｜ 鉴权：Authorization: Bearer sk_...

POST /api/v2/voice/denoise

计费

按音频时长 1 积分/秒。提交时服务端从音频 URL 实测时长计费（cost = 向上取整(实测秒数)），无需自报时长；无法读取时长时提交返回 audio_probe_failed（请确认 URL 可公开访问）。提交时预扣并校验余额，不足返回 402；任务失败自动退款。

curl -X POST https://api.aiclonevoicefree.com/api/v2/voice/denoise \
  -H "Authorization: Bearer sk_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{ "input_audio_url": "https://your-cdn.com/noisy.wav", "return_format": "mp3" }'

响应 202 → { "task_id": "...", "status": "pending", "capability": "voice", "action": "denoise" }

取结果

轮询 GET /api/v2/voice/denoise/{task_id}（专属状态端点）：

{
  "task_id": "...",
  "status": "completed",
  "action": "denoise",
  "_type": "voice.denoise",
  "audioUrl": "https://.../clean.mp3"
}