Swift CDA MP2 M4A to AAC Convert is an extremely easy to use cd ripper and MP3 to WAV decoder and WAV to MP3 encoder for Windows 9X/NT/Me/2000/XP. It copies the audio digitally-not through the soundcard-which enables you to make perfect copies of the originals. Swift CDA MP2 M4A to AAC Convert can also help you to burn your own customized CD from MP3 files. It also supports four channels mode including Stereo, Join Stereo, Mono and Dual Channel. It rips audio CD tracks and saves them into audio formats such as mp3, wav, wma (Windows Media Audio), VQF (Yamaha SoundVQ), orOGG Vorbis, converts MP3, WAV, WMA, OGG Vorbis from one to another on-the-fly, resamples MP3 to MP3, WAV to WAV, WMA to WMA, OGG to OGG for changing bitrates, frequency, and other options. MP3 Encoder supports CBR (Constant Bit Rate) and VBR (Variable Bit Rate). It's fast, easy to use while powerful.