Sound files: Format and size

1. Which format is accepted? 2. Which file size is correct? 3. Can I adjust the file size in control panel?

1) Which format is accepted?

Format: wav file

 

2) Which file size is correct?

16bit 8Khz mono

 

3) Can I adjust the file size in control panel?

Yes, once the file is uploaded in the file browser, it can be adjusted: