Audio Ease - BarbaBatch - Supported Filetypes - mp4 aac (.m4a)
mp4 aac (.m4a)
mp4 files can be created and read by Barbabatch. All bitrates are supported. To ensure the highest quality Barbabatch will handle all samplerate convertions involved, will leave nothing of that to quicktime or other codecs.
mp4 is the most advanced and highest quality streaming audio file available at time of the release of BarbaBatch v4.