Decoding apparatus and decoding method

Details Decoding apparatus and decoding method Decoding apparatus and decoding method

1997-06-24

1999-04-06

Williams, Howard L.

Coded data generation or conversion

Digital code to digital code converters

341 63, H03M 700

Patent

active

058924655

ABSTRACT:
A decoding apparatus includes a quantized bit count storage, a sound-image data decomposer, a unit frame length calculator, a quantized bit count adder, a quantized bit total value storage, a comparator, and a decoding processor. The comparator compares the value of the unit frame length of an input compressed bit stream with the quantized bit total value of the compressed bit stream, and outputs an error occurrence signal if the quantized bit total value exceeds the value of the unit frame length. If the comparator outputs the error occurrence signal to the decoding processor, the decoding processor performs interpolation processing for a sound-image signal and thereby prevents production of noise which is produced when the quantized bit total value exceeds the value of the unit frame length.

REFERENCES:
patent: 4051530 (1977-09-01), Kuroda et al.
patent: 5148431 (1992-09-01), Hayashi

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