Play back audio using a variety of APIs WaveOut DirectSound ASIO WASAPI Read audio from many standard file formats WAV AIFF MP3 (using ACM, DMO or MFT) G.711 mu-law and a-law ADPCM, G.722, Speex (using NSpeex) WMA, AAC, MP4 and more others with Media Foundation Convert between various forms of uncompressed audio Change the number of channels - Mono to stereo, stereo to mono Modify bit depth (8, 16