发明授权
US08010352B2 Method and apparatus for adaptively encoding and decoding high frequency band
有权
用于自适应编码和解码高频带的方法和装置
- 专利标题： Method and apparatus for adaptively encoding and decoding high frequency band
- 专利标题（中）： 用于自适应编码和解码高频带的方法和装置
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申请号： US11766331申请日： 2007-06-21
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公开(公告)号： US08010352B2公开(公告)日： 2011-08-30
- 发明人: Chang-yong Son , Eun-mi Oh , Ki-hyun Choo , Jung-hoe Kim
- 申请人： Chang-yong Son , Eun-mi Oh , Ki-hyun Choo , Jung-hoe Kim
- 申请人地址： KR Suwon-Si
- 专利权人： Samsung Electronics Co., Ltd.
- 当前专利权人： Samsung Electronics Co., Ltd.
- 当前专利权人地址： KR Suwon-Si
- 代理机构： Stanzione & Kim, LLP
- 优先权： KR10-2006-0056070 20060621; KR10-2007-0060688 20070620
- 主分类号： G10L19/12
- IPC分类号： G10L19/12
摘要：
Provided are a method and apparatus for encoding and decoding an audio signal. According to the present application, a signal of a high frequency band above a preset frequency band is adaptively encoded or decoded in the time domain or in the frequency domain by using a signal of a low frequency band below the preset frequency band. As such, the sound quality of a high frequency signal is not deteriorate even when an audio signal is encoded or decoded by using a small number of bits and thus coding efficiency may be maximized.
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