Pulse code modulation compressor

Details Pulse code modulation compressor Pulse code modulation compressor

1976-01-07

1977-07-19

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

H04L 300

Patent

active

040372260

ABSTRACT:
A pulse code modulation compressor converts linear pulse code modulation words into companded pulse code modulation words. A read only memory is loaded with a conversion table and used to perform successive approximations for the conversion. The converted output is then passed through a double buffer to allow independent operation of the conversion clock and output clock.

REFERENCES:
janus, "IBM Technical Disclosure Bulletin" vol. 14, No. 1, June 1971, p. 303.

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