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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.:

US 6725111 B1

PDFFull Text
Date of Patent:
Apr. 20, 2004

Filed:

Feb. 04, 2002

Method for processing and reproducing audio signal at desired sound quality, reduced data volume or adjusted output level, apparatus for processing audio signal with sound quality control information or test tone signal or at reduced data volume, recording medium for recording audio signal with sound quality control information or test tone signal or at reduced data volume, and apparatus for reproducing audio signal at desired sound quality, reduced data volume or adjusted output level

Applicant:
Inventors:

Hidetoshi Naruki, Zama, JP;

Shoji Ueno, Fujisawa, JP;

Assignee:

JVC Victor Company of Japan, Ltd., Yokohama, JP;

Attorney:
Primary Examiner:

Xu Mei

Int. Cl.
CPC ...
G06F 1/700 ; H03G 3/00 ;
U.S. Cl.
CPC ...
G06F 1/700 ; H03G 3/00 ;
Abstract

A digital audio signal obtained from an analog audio signal indicating a music, pieces of audio reproduction control information respectively indicating the adjustment of a sound quality of the music are added to the digital audio signal, and the digital audio signal is recorded with the pieces of audio reproduction control information as packed data. When a user selects a piece of particular audio reproduction control information from the pieces of audio reproduction control information after the packed data is read out, levels of pieces of audio data of the digital audio signal are adjusted according to the particular audio reproduction control information, so that the user can entertain the music at a desired sound quality.

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Naruki, Hidetoshi. (2004). Method for processing and reproducing audio signal at desired sound quality, reduced data volume or adjusted output level, apparatus for processing audio signal with sound quality control information or test tone signal or at reduced data volume, recording medium for recording audio signal with sound quality control information or test tone signal or at reduced data volume, and apparatus for reproducing audio signal at desired sound quality, reduced data volume or adjusted output level (U.S. Patent No. 6725111). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6725111

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