PCM Signal processor with error detection and correction capabil

Details PCM Signal processor with error detection and correction capabil PCM Signal processor with error detection and correction capabil

1981-09-14

1984-07-10

Malzahn, David H.

Excavating

G06F 1110, G11B 509

Patent

active

044596960

ABSTRACT:
A PCM signal processor for extracting data and error check words from a serial PCM data block contains a serial-to-parallel converter and de-interleaver to present the words in the PCM data block synchronously, circuitry for forming an error pointer and an auxiliary error pointer from the words in the PCM data block error pointer, delay circuitry for forming a data word from the error pointer and the auxiliary error pointer, and error correction and detection circuitry using the data word error pointer.

REFERENCES:
patent: 4188616 (1980-02-01), Kazami et al.
patent: 4306305 (1981-12-01), Doi et al.
Patent Abstracts of Japan, vol. 5, No. 118, P073, 790, (Jul. 30, 1981), Japanese Patent No. 56-58115.
Ishida et al., "A Rotary-Head PCM Recorder Employing Error Correction Technique," IEEE Transaction on Consumer Electronics, vol. CE-24, No. 4, pp. 526-533, (Nov. 1978).
"Consumer Use PCM Encoder-Decoder 1979-6", Journal of Audio Engineering Society, vol. 28, No. 4, pp. 260-265, (Apr. 1980).
Patent Abstracts of Japan, vol. 4, No. 90, P17, 572, (Jul. 27, 1980), Japanese Patent No. 55-52515.

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