Each WMA file features a single audio track in one of the four sub-formats: WMA, WMA Pro, WMA Lossless, or WMA Voice. It is a proprietary technology that forms part of the Windows Media framework. The name can be used to refer to its audio file format or its audio codecs. Windows Media Audio (WMA) is an audio data compression technology developed by Microsoft.
It is a common audio format for consumer audio streaming or storage and a de facto standard of digital audio compression for the transfer and playback of music on most digital audio players. MPEG-1 or MPEG-2 Audio Layer III, more commonly referred to as MP3, is an audio coding format for digital audio that uses lossy data compression.
