PCM signal reproducing device

Details PCM signal reproducing device PCM signal reproducing device

1988-08-05

1990-07-24

Fleming, Michael R.

Excavating

371 374, 371 48, 371 32, G06F 1110

Patent

active

049439642

ABSTRACT:
PCM signals belonging to a first reproduction channel and a second reproduction channel and grouped into odd number data and even number data are previously recorded on a recording medium having a plurality of tracks in the form of frames each including at least a set of a first track and a second track. In the operation of reproducing the recorded PCM data, the PCM data reproduced by reproduction heads are stored in accordance with a first control signal, errors in the stored reproduced data are detected in accordance with a second control signal, the numbers of errors are counted, comparison is made between the error number of the odd number data and that of the even number data of the first channel and of the second channel, respectively, and the data which has been judged to include a larger number of errors are replaced by interpolated data and finally the interpolated data are mute-processed at the boundary between adjacent frames.

REFERENCES:
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patent: 4544958 (1985-10-01), Odaka
patent: 4549230 (1985-10-01), Odaka
patent: 4604657 (1986-08-01), Fukami
patent: 4622600 (1986-11-01), Okamoto
patent: 4685004 (1987-08-01), Takahashi
patent: 4688225 (1987-08-01), Fukami et al.

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