Encoder and decoder with improved quantizer using reserved quant

Details Encoder and decoder with improved quantizer using reserved quant Encoder and decoder with improved quantizer using reserved quant

1992-11-25

1995-03-28

Young, Brian K.

Coded data generation or conversion

Analog to or from digital conversion

Increasing converter resolution

H03M 118

Patent

active

054021243

ABSTRACT:
The invention relates in general to the quantization of digital signal information. More particularly, the invention relates to the reduction of perceptible effects of quantizing noise by reserving a special quantizing level for low-level signals in encoding and decoding applications.

REFERENCES:
patent: 3999129 (1976-12-01), Kasson
patent: 4972484 (1990-11-01), Theile et al.
patent: 5222189 (1993-06-01), Fielder
Lipshitz, Vanderkooy and Wannamaker, "Minimally Audible Noise Shaping," IEEE J. Audio Eng. Soc., vol. 39, No. 11, Nov. 1991, pp. 836-852.

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