Sampling frequency conversion device

Details Sampling frequency conversion device Sampling frequency conversion device

1983-06-13

1985-08-20

Miska, Vit W.

Communications: electrical

Audible indication

Percussion-type sound producer

H04L 300

Patent

active

045367450

ABSTRACT:
An input digital signal with M(=5) samples/second is converted to an output signal with N(=6) samples/second with n(=9) quantization bits. The device comprises parallel shift registers each having bit length P+n(P=11) for accepting an input signal with bit length n; an address converter for providing the continuous P bits in input signals from each of said parallel shift registers for every shift operation of said shift registers; N groups of ROMs (read only memory) storing the predetermined value in each address which is designated by output of said address converter; a shift register adder for accumulating output of said ROMs with shift operation; and an output gate coupled with output of said shift register adder for providing a converted output signal.

REFERENCES:
patent: 4002981 (1977-01-01), Eggermont
patent: 4109110 (1978-08-01), Gingell
patent: 4188583 (1980-02-01), McCurdy
patent: 4209771 (1980-06-01), Miyata et al.
patent: 4393272 (1983-07-01), Itakura et al.

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