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2. Comparison of audio coding formats - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_audio_coding...

   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 ...

3. Audio file format - Wikipedia

   en.wikipedia.org/wiki/Audio_file_format

   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.

4. Audio coding format - Wikipedia

   en.wikipedia.org/wiki/Audio_coding_format

   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 ...

5. Codec listening test - Wikipedia

   en.wikipedia.org/wiki/Codec_listening_test

   MP3: Lame 3.89beta--abr 134 -h --nspsytune—athtype 2 --ns-bass -8 MP3: Xing within AudioCatalyst 2.1 128 kbit/s, high frequency mode disabled, simple stereo disabled AAC: Liquifier Pro 5.0.0 Beta 2, Build 24 streaming 128, equalization disabled, dynamics disabled, dual mono encoding disabled, audio bandwidth overridden by the program, set at ...

6. Variable bitrate - Wikipedia

   en.wikipedia.org/wiki/Variable_bitrate

   MP3, WMA and AAC audio files can optionally be encoded in VBR, while Opus and Vorbis are encoded in VBR by default. [ 1 ] [ 2 ] [ 3 ] Variable bit rate encoding is also commonly used on MPEG-2 video, MPEG-4 Part 2 video ( Xvid , DivX , etc.), MPEG-4 Part 10 /H.264 video, Theora , Dirac and other video compression formats.

7. FLAC - Wikipedia

   en.wikipedia.org/wiki/FLAC

   FLAC (/ f l æ k /; Free Lossless Audio Codec) is an audio coding format for lossless compression of digital audio, developed by the Xiph.Org Foundation, and is also the name of the free software project producing the FLAC tools, the reference software package that includes a codec implementation.

8. ATRAC - Wikipedia

   en.wikipedia.org/wiki/ATRAC

   SonicStage version 3.4, released in February 2006, [14] introduced ripping CDs in bitrates 320 and 352. [15] The available bitrates are: 48, 64, 96, 128, 160, 192, 256, 320 and 352 kbit/s. The newer bitrates are not always compatible with all older hardware decoders, however, some of the older hardware has been found to be compatible with ...

9. Comparison of digital music stores - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_digital...

   MP3 WMA Vorbis DRM Preview (seconds) Stream purchases 7digital: 81 [2] Yes [3] Web, Android 24-bit No No No 320 kbps 320 kbps No No No 30 Yes Amazon Music: 90 [4] Yes Web, Android [5] No No No No No 256 kbps No No No 30: Yes Bandcamp: 18.1: No Web 24-bit 24-bit 24-bit 24-bit Yes Yes No Yes No Full Yes Beatport: 9 [6] Yes [7] Web No No 16-bit 16 ...