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high definition compatible digital (HDCD)

High Definition Compatible Digital (HDCD) is a recording process for audio CDs with a sample depth of 24 bits and a sampling rate of 176.4 kHz with subsequent data compression. The HDCD process, which is compatible with the 16 bits and 44.1 kHz of compact discs, is characterized by a significantly improved sound image compared to the pulse code modulation normally used, which is no longer different from the original after decoding. Playback in HDCD quality, however, requires a CD player with an HDCD processor.

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Englisch: high definition compatible digital - HDCD
Updated at: 01.04.2008
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