Process and apparatus for converting sound waves into digital el

Details Process and apparatus for converting sound waves into digital el Process and apparatus for converting sound waves into digital el

1981-05-27

1983-01-25

Rubinson, G. Z.

179121D, H04R 120

Patent

active

043705235

ABSTRACT:
In a process and apparatus for converting a sound wave into digital electrical signals, the sound wave is simultaneously detected by two electro-acoustic transducers spaced from each other in the direction of incidence of the sound. The transducers produce electrical signals which are compared, thereby forming a DPCM-signal in the form of a 1-bit signal.

REFERENCES:
patent: 2305598 (1942-12-01), Bauer
patent: 2305599 (1942-12-01), Bauer
patent: 3502811 (1970-03-01), Schroeder

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