MP3, AAC, WAV, FLAC: all the audio file formats explained | What Hi-Fi?
Amazon.com: 64G Walkman MP3 Player, 1.8 Inch Screen MP3 Music Player for Sports Studying, Support MP3 WMA FLAC APE AAC OGG and ACELP, Earphone Included (Green) : Electronics
Amazon.com: MP3 Player,Portable Music Player with 1.8 Inch LCD Screen 200mAh Battery 8 Hour Playback,for MP3 WMA FLAC APE AAC OGG and ACELP Format,Supports up to 64GB(Not Included) : Electronics
Amazon.com: Slim Mini MP4 Player, MP3 Music Player with 1.8 inch LCD Screen 8 Hour Playback Compatible with MP3 AAC OGG WMA FLAC ACELP and APE (Green) : Electronics
MP3 vs AAC vs OGG: A Simple Quantitative Comparison | AnandTech Forums: Technology, Hardware, Software, and Deals