Method of encoding digital data

Details Method of encoding digital data Method of encoding digital data

1997-12-04

2000-10-24

Tsang, Fan

Data processing: speech signal processing, linguistics, language

Audio signal bandwidth compression or expansion

704229, 704230, G10L 302, G10L 900, G10L 700

Patent

active

061381012

ABSTRACT:
The method of encoding digital data in the present invention enables change of minimum limit of audibility characteristics and/or masking characteristics, which are usually set on the basis of the aural-psychological characteristics of persons with typical hearing, thus changing the allocation of quantized bits to each frequency band and allowing selection of a sound quality which accords with the listener's hearing. The present invention is suitable for ATRAC, a method for compressed encoding for mini-discs.

REFERENCES:
patent: 5157760 (1992-10-01), Akagiri
patent: 5553193 (1996-09-01), Akagiri

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