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 8620673 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 31, 2013

Filed:

Nov. 14, 2011
Applicants:

Qi Zhang, Beijing, CN;

Libin Zhang, Beijing, CN;

Inventors:

Qi Zhang, Beijing, CN;

Libin Zhang, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10L 19/00 (2013.01); G10L 25/00 (2013.01); G10L 21/00 (2013.01); G06F 17/00 (2006.01); H04W 72/00 (2009.01); H04R 5/00 (2006.01); H04R 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

Embodiments of the present invention disclose an audio decoding method, including: determining that bitstreams to be decoded are monophony coding layer and first stereo enhancement layer bitstreams; decoding the monophony coding layer to obtain a monophony decoded frequency-domain signal; reconstructing left and right channel frequency-domain signals in a first sub-band region by utilizing the monophony decoded frequency-domain signal after an energy adjustment; and reconstructing left and right channel frequency-domain signals in a second sub-band region by utilizing the monophony decoded frequency-domain signal without the energy adjustment.


Find Patent Forward Citations

Zhang, Qi. (2013). Audio decoding method and audio decoder (U.S. Patent No. 8620673). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8620673

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