How to Backup M4A Backup - You can edit the title, artist, album, year, genre and comment information of your files. How to Backup M4A Backup is an easy-to-use tool to convert your audio CD to MP3, WAV, WMA and OGG file. How to Backup M4A Backup copies the audio digitally-not through the soundcard-which enables you to make perfect copies of the originals. How to Backup M4A Backup support FreeDB function and you can get track title, artist, and album information. Support WAV PCM. Support VOX (Dialogic ADPCM), WMA Windows Media Audio). Visually play, record, edit or convert most sound file formats. Add special effects and apply filters. Support OGG (Ogg Vorbis), G.721, G.723, G.726. Support MP2, MP3 (MPEG Layer-3). Support RAW (PCM, A-LAW, U-LAW), CDA (Audio CD Tracks).Support Compressed WAV (ADPCM, GSM, DSP, A-LAW, U-LAW, ALF2 and others).