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Audio Specifications ​

Specifications ​

  • Supported formats: mp3, wav, ogg, m4a, m4r, wma, opus, flac, aac, amr
  • File size limit:
    - Free/Starter: within 10 MB
    - Pro: within 30 MB
    - Enterprise : within 50 MB

Best Optimization Method ​

Set an appropriate audio bitrate ​

  • Generally, use a standard audio bitrate of 128 kbit/s.
  • If the audio file is still too large, you can reduce it to 64 kbit/s or 96 kbit/s, but it is not recommended to go below 64 kbit/s.
  • If the sound quality is noticeably degraded, you may increase the bitrate appropriately, such as 192 kbit/s.

Choose an appropriate audio sampling rate ​

  • Generally, use the standard sampling rate of 44.1 kHz.
  • If the audio file is still too large, you may reduce it to 22.05 kHz, but it is not recommended to go below 22.05 kHz.

Set an appropriate number of channels ​

  • Normally, choose stereo (dual-channel).
  • If the audio file is still too large, you can set it to mono (single-channel).