We accept most audio and video formats, including: wav, mp3, mp4, ogg, aiff, aif, m4a, mov, wma, avi, flv, 3gp, 3gpp, 3ga, amr, m4v, dss. As a rule, if you can open it on your computer— we can transcribe it.
If the upload form on our website does not accept your audio format, you can rename its extension to .mp3, telling us about it.