Denormalization device and method for multichannel audio decoder

Details Denormalization device and method for multichannel audio decoder Denormalization device and method for multichannel audio decoder

1996-08-09

1998-09-15

Ngo, Chuong Dinh

Boots, shoes, and leggings

36472503, G06F 700, G06F 1714

Patent

active

058089233

ABSTRACT:
A device and a method for performing a denormalization operation to restore channel signals, normalized into specified levels due to a multichannel process in an MPEG-2 multichannel audio decoder, to their original levels. The denormalization device performs the denormalization operation on the basis of one multiplication operation. To this end, the denormalization device comprises a ROM for storing therein denormalization information to be multiplied by data to be denormalized, a multiplier for multiplying the data to be denormalized, by the denormalization information stored in the ROM, and a controller for controlling the ROM and the multiplier.

REFERENCES:
patent: 4774587 (1988-09-01), Schmitt
patent: 4780761 (1988-10-01), Daly et al.
patent: 5604540 (1997-02-01), Howe

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