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For example, MP3 and AAC dominate the personal audio market in terms of market share, though many other formats are comparably well suited to fill this role from a purely technical standpoint. First public release date is first of either specification publishing or source releasing, or in the case of closed-specification, closed-source codecs ...
According to Apple, audio files compressed with its lossless codec will use up "about half the storage space" that the uncompressed data would require. Testers using a selection of music have found that compressed files are about 40% to 60% the size of the originals depending on the kind of music, which is similar to other lossless formats. [3] [4]
Songbird: supports AAC on Windows, Linux and Mac OS X, including the DRM rights management encoding used for purchased music from the iTunes Store, with a plug-in; Sony SonicStage; VLC media player: supports playback and encoding of MP4 and raw AAC files; Winamp for Windows: includes an AAC encoder that supports LC and HE AAC
As such, the user normally doesn't have a raw AAC file, but instead has a .m4a audio file, which is a MPEG-4 Part 14 container containing AAC-encoded audio. The container also contains metadata such as title and other tags, and perhaps an index for fast seeking. [2] A notable exception is MP3 files, which are raw audio coding without a ...
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Audio file icons of various formats. An audio file format is a file format for storing digital audio data on a computer system. The bit layout of the audio data (excluding metadata) is called the audio coding format and can be uncompressed, or compressed to reduce the file size, often using lossy compression.
WMA Professional 10 1-pass CBR, 48 kbit/s; Nero HE-AAC May 26, 2006-q 0.2; WMA Standard 9.2 Quality-Based VBR, Q10; iTunes AAC 7.0.2.16 48 kbit/s, CBR; Various 20 22-34 Nero HE-AAC: WMA Professional and aoTuV tied for second Sebastian Mares: 2007 July multiple ~64 Ogg Vorbis AoTuV 5 Beta-q 0; WMA Professional 10 1-pass CBR, 64 kbit/s; Nero HE ...
Screenshot of Windows Media Encoder 9 Series, displaying new encoding options for Windows Media Audio 10 Professional. Windows Media Audio Professional (WMA Pro) is an improved lossy codec closely related to WMA standards. It retains most of the same general coding features, but also features improved entropy coding and quantization strategies ...