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  2. Dynamic range compression - Wikipedia

    en.wikipedia.org/wiki/Dynamic_range_compression

    In recorded and live music, compression parameters may be adjusted to change the way they affect sounds. Compression and limiting are identical in process but different in degree and perceived effect. A limiter is a compressor with a high ratio and, generally, a short attack time. Compression is used to improve performance and clarity in public ...

  3. List of codecs - Wikipedia

    en.wikipedia.org/wiki/List_of_codecs

    Linear pulse-code modulation (LPCM, generally only described as PCM) is the format for uncompressed audio in media files and it is also the standard for CD-DA; note that in computers, LPCM is usually stored in container formats such as WAV, AIFF, or AU, or as raw audio format, although not technically necessary.

  4. Audio coding format - Wikipedia

    en.wikipedia.org/wiki/Audio_coding_format

    A lossless audio coding format reduces the total data needed to represent a sound but can be de-coded to its original, uncompressed form. A lossy audio coding format additionally reduces the bit resolution of the sound on top of compression, which results in far less data at the cost of irretrievably lost information.

  5. Audio codec - Wikipedia

    en.wikipedia.org/wiki/Audio_codec

    This is used in sound cards that support both audio in and out, for instance. Hardware audio codecs send and receive digital data using buses such as AC-Link , I²S , SPI , I²C , etc. Most commonly the digital data is linear PCM , and this is the only format that most codecs support, but some legacy codecs support other formats such as G.711 ...

  6. Windows Media Audio - Wikipedia

    en.wikipedia.org/wiki/Windows_Media_Audio

    When decompressed, the audio signal is an exact replica of the original. The first version of the codec, WMA 9 Lossless, and its revisions support up to 96 kHz, 24-bit audio for up to 6 discrete channels (5.1 channel surround) with dynamic range compression control. The typical compression ratio for music varies between 1.7:1 and 3:1. [40] [41 ...

  7. Audio file format - Wikipedia

    en.wikipedia.org/wiki/Audio_file_format

    In a lossless compressed format, however, the music would occupy a smaller file than an uncompressed format and the silence would take up almost no space at all. Lossless compression formats include FLAC, WavPack, Monkey's Audio, ALAC (Apple Lossless). They provide a compression ratio of about 2:1 (i.e. their files take up half the space of PCM).

  8. WavPack - Wikipedia

    en.wikipedia.org/wiki/WavPack

    WavPack is a free and open-source lossless audio compression format and application implementing the format. It is unique in the way that it supports hybrid audio compression alongside normal compression which is similar to how FLAC works.

  9. Audio compression - Wikipedia

    en.wikipedia.org/wiki/Audio_compression

    Audio compression may refer to: Audio compression (data) , a type of lossy or lossless compression in which the amount of data in a recorded waveform is reduced to differing extents for transmission respectively with or without some loss of quality, used in CD and MP3 encoding, Internet radio, and the like