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  2. Audio file format - Wikipedia

    en.wikipedia.org/wiki/Audio_file_format

    A file format for the Free Lossless Audio Codec, an open-source lossless compression codec. .gsm: Designed for telephony use in Europe, GSM is used to store telephone voice messages and conversations. With a bitrate of 13 kbit/s, GSM files can compress and encode audio at telephone quality. [7] Note that WAV files can also be encoded with the ...

  3. MP3 - Wikipedia

    en.wikipedia.org/wiki/MP3

    The filename extension.mp3 was chosen by the Fraunhofer team on 14 July 1995 (previously, the files had been named .bit). [1] With the first real-time software MP3 player WinPlay3 (released 9 September 1995) many people were able to encode and play back MP3 files on their PCs.

  4. Apple Lossless Audio Codec - Wikipedia

    en.wikipedia.org/wiki/Apple_Lossless_Audio_Codec

    ALAC data is frequently stored within an MP4 container with the filename extension.m4a. This extension is also used by Apple for lossy AAC audio data in an MP4 container (same container, different audio encoding). The codec can also be used by the .CAF file type container, though this is much less common.

  5. List of file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_file_formats

    While MS-DOS and NT always treat the suffix after the last period in a file's name as its extension, in UNIX-like systems, the final period does not necessarily mean that the text after the last period is the file's extension. [1] Some file formats, such as .txt or .text, may be listed multiple times.

  6. Timeline of audio formats - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_audio_formats

    An audio format is a medium for sound recording and reproduction.The term is applied to both the physical recording media and the recording formats of the audio content—in computer science it is often limited to the audio file format, but its wider use usually refers to the physical method used to store the data.

  7. Audio Interchange File Format - Wikipedia

    en.wikipedia.org/wiki/Audio_Interchange_File_Format

    Audio Interchange File Format (AIFF) is an audio file format standard used for storing sound data for personal computers and other electronic audio devices. The format was developed by Apple Inc. in 1988 based on Electronic Arts' Interchange File Format (IFF, widely used on Amiga systems) and is most commonly used on Apple Macintosh computer systems.

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    mail.aol.com

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  9. Portable media player - Wikipedia

    en.wikipedia.org/wiki/Portable_media_player

    There is a trade-off between size and sound quality of lossily compressed files; most formats allow different combinations—e.g., MP3 files may use between 32 (worst), 128 (reasonable) and 320 (best) kilobits per second. [67] There are also royalty-free lossy formats like Vorbis for general music and Speex and Opus used for voice recordings.