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Compact disk players

Image Number 4 for United States Patent #5210727.

In a compact disk player, a demodulator (2) demodulates signals picked up from a disk, an error detection circuit (8) corrects the demodulated data, and an interpolation circuit (10, 12, 14, 16) interpolates output data from the error detection correction circuit according to a result of the error correction. A level setting circuit (10, 12, 16) sets to zero the level of data which has not been error corrected in a peak search, according to the error correction result, and a peak level detection circuit (20, 22, 24, 26) detects a peak level of digital audio signals outputted by the level setting circuit.

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