Quantizing error reducer for audio signal

Details Quantizing error reducer for audio signal Quantizing error reducer for audio signal

1991-07-12

1993-04-20

Pellinen, A. D.

Coded data generation or conversion

Converter compensation

341200, 381 46, H03M 106

Patent

active

052046770

ABSTRACT:
There is provided a quantizing error reducer for an audio signal, which is constructed to feed a quantizing error back to the input side of a quantizer through a noise filter, wherein the coefficient of the noise filter is set on the basis of information relating to the equiloudness curve, thereby making it possible to reduce the noise in the hearing sense.

REFERENCES:
patent: 4385393 (1983-05-01), Chaure et al.
patent: 5029217 (1991-07-01), Chabries et al.
patent: 5151941 (1992-09-01), Nishiguchi et al.

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