Audio data coding method and audio data coding apparatus

Details Audio data coding method and audio data coding apparatus Audio data coding method and audio data coding apparatus

1996-07-19

1997-06-24

Tse, Young T.

Pulse or digital communications

Bandwidth reduction or expansion

Pulse code modulation

375243, 370208, 370210, 341 76, 348421, 395 238, H04B 1404

Patent

active

056423837

ABSTRACT:
An audio data coding method of requantizing digital audio data in accordance with the hearing sense characteristic of the human being, comprises: the steps of calculating a quantization error; calculating a level correction value from the calculated quantization error and a level of an input signal; and carrying out level correction of the digital audio data in accordance with the level correction value. In addition, there is provided an audio data coding apparatus for implementing the above-mentioned audio data coding method.

REFERENCES:
patent: 4535472 (1985-08-01), Tomcik
patent: 4860313 (1989-08-01), Shpiro
patent: 4862173 (1989-08-01), Nishitani
patent: 4956871 (1990-09-01), Swaminathan
patent: 5241535 (1993-08-01), Yoshikawa
patent: 5264846 (1993-11-01), Oikawa
patent: 5298899 (1994-03-01), Oh et al.
patent: 5301205 (1994-04-01), Tsutsui et al.

Affiliated with

Also associated with

Rating

Audio data coding method and audio data coding apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Audio data coding method and audio data coding apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Audio data coding method and audio data coding apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-153940