Wikipedia (Beta): Adaptive Transform Acoustic Coding


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Adaptive Transform Acoustic Coding (ATRAC) is a family of proprietary audio compression algorithms developed by Sony.
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    Audio data compression
    Lossy compression algorithms are based on the knowledge of the characteristics of the data to be compressed. Depending on what kind of data, it is possible to pin-point recurring parameters which can be used to carry out the compression.
    Magneto-optic media
    This type of support combines the optical and magnetic proprieties of certain materials, making the most of each of their advantages

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