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WMA is a digital audio format developed by Microsoft, primarily used for music and audio streaming. It offers high compression while maintaining good sound quality. WMA files are supported by Windows-based devices and media players, but are less compatible with other operating systems compared to MP3.
MP3 is an audio format that can compress and encode an audio file. It uses the lossy compression algorithm to contain audio data. The lossy compression helps to reduce the data significantly without losing audio quality. MP3s are created using different bit rates maintaining the original quality.