Multiply/divide circuit for encoder PCM samples

Details Multiply/divide circuit for encoder PCM samples Multiply/divide circuit for encoder PCM samples

1984-12-31

1987-12-29

Harkcom, Gary V.

Boots, shoes, and leggings

364765, G06F 752

Patent

active

047165383

ABSTRACT:
A circuit multiplies or divides pulse code modulation (PCM) samples in D2 format. An exponent adder/subtractor provides the sum/difference of the exponents of the two numbers. A mantissa multiplier/divider circuit determines the product/quotient of the two mantissas and a sign generator provides a sign value for the resultant product/quotient of the two numbers. A normalizer circuit ensures that the product/quotient mantissa has a predetermined range of values.

REFERENCES:
patent: 3829673 (1974-08-01), Bouton, Jr. et al.
patent: 4004140 (1977-01-01), Izumi et al.
patent: 4118785 (1978-10-01), Izumi et al.
patent: 4357674 (1982-11-01), Ikeda et al.
patent: 4374427 (1983-02-01), Katayama
patent: 4484259 (1984-11-01), Palmer et al.

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