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:
Feb. 19, 2013
Filed:
May. 19, 2011
Chen HU, Shenzhen, CN;
Zexin Liu, Shenzhen, CN;
Lei Miao, Shenzen, CN;
Longyin Chen, Shenzhen, CN;
Qing Zhang, Shenzhen, CN;
Wei Xiao, Shenzhen, CN;
Herve Marcel Taddei, Voorburg, NL;
Chen Hu, Shenzhen, CN;
Zexin Liu, Shenzhen, CN;
Lei Miao, Shenzen, CN;
Longyin Chen, Shenzhen, CN;
Qing Zhang, Shenzhen, CN;
Wei Xiao, Shenzhen, CN;
Herve Marcel Taddei, Voorburg, NL;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A method, device and system for signal encoding and decoding are disclosed. The method includes: encoding a core layer signal to obtain a core layer signal code; selecting an enhancement sample point that requires enhancement layer signal encoding according to the core layer signal code and the number of bits that can be used by an enhancement layer; obtaining an enhancement layer signal code of the enhancement sample point; and outputting a bit stream, where the bit stream includes the core layer signal code and the enhancement layer signal code. In embodiments of the present invention, according to the number of bits that can be used by the enhancement layer, the enhancement sample point that requires enhancement layer signal encoding is selected; the enhancement layer signal of the selected enhancement sample point is encoded and decoded; when no sufficient bits are available for the enhancement layer, the enhancement quality of the core layer can be improved.