Audio can be rendered from the Render(レンダー) メニュー.
- Relative Path(相対パス)
Select the file path relative to the blend-file.
Sample accuracy, important for animation data (the lower the value, the more accurate).
- Audio Containers
Some Audio Containers also have option to choose a codec. For more information see here.
- Split Channels
Each audio channel will be rendered into a separate file.