The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 24, 1997
Filed:
Jul. 19, 1996
Applicant:
Inventor:
Hiroshi Suzuki, Saitama, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
375241 ; 375243 ; 370208 ; 370210 ; 341 76 ; 348421 ; 395-238 ;
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.