Mixing apparatus

Details Mixing apparatus Mixing apparatus

1979-07-17

1981-06-23

Atkinson, Charles E.

Boots, shoes, and leggings

179 1CN, 179 1AT, 179 1G, 364606, 364754, H04M 356

Patent

active

042752680

ABSTRACT:
A digital signal mixing apparatus for mixing digital signals in S input channels to obtain digital mixed signals in T output channels is provided which includes a memory in which a matrix of S columns by T rows of elements are stored in digital form, a circuit which determines the value of the elements of the S by T matrix in response to a desired mixing ratio between the S-channels of the digital input signals and supplies these matrix elements to the memory, and a circuit which multiplies the digital signals in the S input channels by corresponding matrix elements read out from the memory to generate the digital mixed signals in the T output channels.

REFERENCES:
patent: 3763365 (1973-10-01), Seitz
patent: 3976981 (1976-08-01), Bowden
patent: 4037093 (1977-07-01), Gregg et al.
patent: 4056683 (1977-11-01), Suehiro
patent: 4149032 (1979-04-01), Peters
patent: 4163871 (1979-08-01), Maggi
A. Assimus, et al., "Digital Conference Network etc.," IBM Tech. Bull., Mar. 1975, pp. 2967-2969.

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