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Scalable codingdecoding apparatus and method base

来源:独旅网
专利内容由知识产权出版社提供

专利名称:Scalable coding/decoding apparatus and

method based on quantization precision inbands

发明人:Masahiro Oshikiri申请号:US12775216申请日:20100506公开号:US08209188B2公开日:20120626

专利附图:

摘要:A down-sampler down-samples the sampling rate of an input signal fromsampling rate FH to sampling rate FL. A base layer coder encodes the sampling rate FL

acoustic signal. A local decoder decodes coding information output from base layercoder . An up-sampler raises the sampling rate of the decoded signal to FH. A subtractersubtracts the decoded signal from the sampling rate FH acoustic signal. An enhancementlayer coder encodes the signal output from subtracter using a decoding resultparameter output from local decoder

申请人:Masahiro Oshikiri

地址:Osaka JP

国籍:JP

代理机构:Dickinson Wright PLLC

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