Merry MP3 AMR MPC to CDA Copy supports encrypted audio CD ripping; Output audio quality is adjustable from 80 Kbit/s to 320 Kbit/s when rip DVD; Merry MP3 AMR MPC to CDA Copy supports system idle and low priority conversion. Users can custom their conversion to get the best performance. Provide standard mode and advanced mode for beginners and veterans; You can edit ID3 tag for your DVD sound with Merry MP3 AMR MPC to CDA Copy. This Audio Converter provides an easy and completed way to convert MP4 to MP3, M4A to MP3, AAC to MP3, etc, convert audio between popular audio files, such as MP3, CD, CDA, CD-R, DVD-Audio, AAC, AC3, ID3, M3U, M4A, M4P, MP3 ID3 Tag, OGG, RA, WAV, WMA, MP2, APE, VQF, MPC, AMR, Midi, WAVE, and RM etc. All conversion processes such as MP4 to MP3, M4A to MP3 and AAC to MP3 converting are very easy to handle with super fast speed.