CN101601217A - 一种信号处理方法、处理装置以及语音解码器 - Google Patents

一种信号处理方法、处理装置以及语音解码器 Download PDF

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Publication number
CN101601217A
CN101601217A CNA2008800010203A CN200880001020A CN101601217A CN 101601217 A CN101601217 A CN 101601217A CN A2008800010203 A CNA2008800010203 A CN A2008800010203A CN 200880001020 A CN200880001020 A CN 200880001020A CN 101601217 A CN101601217 A CN 101601217A
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signal
frame
composite signal
energy
good frame
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CN101601217B (zh
Inventor
詹五洲
王东琦
涂永峰
王静
张清
苗磊
许剑峰
胡晨
杨毅
杜正中
齐峰岩
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Huawei Technologies Co Ltd
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

本发明公开了一种信号处理方法，用于丢包隐藏中的合成信号的处理，包括以下步骤：接收丢失帧后下一好帧，获取所述好帧的信号以及与所述好帧的时刻对应的合成信号的能量比值；根据所述能量比值调整所述合成信号。本发明还公开了一种信号处理设备以及语音解码器。通过使用本发明提供的方法，根据丢失帧之后的第一个好帧与合成信号的能量比值对合成信号进行调整，保证合成信号在丢失帧与丢失帧之后的第一帧的拼接处不发生波形或能量突变，实现了波形平滑过渡，避免出现音乐性噪声。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN2008800010203A 2007-11-05 2008-04-25 一种信号处理方法、处理装置以及语音解码器 Active CN101601217B (zh)

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CN200710169616.1 2007-11-05
CNB2007101696161A CN100550712C (zh) 2007-11-05 2007-11-05 一种信号处理方法和处理装置
CN2008800010203A CN101601217B (zh) 2007-11-05 2008-04-25 一种信号处理方法、处理装置以及语音解码器
PCT/CN2008/070813 WO2009059498A1 (fr) 2007-11-05 2008-04-25 Procédé de traitement de signal, dispositif de traitement et décodeur audio

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US (2) US20090119098A1 (zh)
EP (2) EP2056291B1 (zh)
JP (1) JP4586090B2 (zh)
KR (1) KR101023460B1 (zh)
CN (3) CN100550712C (zh)
AT (2) ATE529854T1 (zh)
DE (1) DE602008000579D1 (zh)
ES (1) ES2374043T3 (zh)
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Also Published As

Publication number Publication date
KR101023460B1 (ko) 2011-03-24
CN101601217B (zh) 2013-01-09
ATE529854T1 (de) 2011-11-15
CN102122511B (zh) 2013-12-04
CN101207459A (zh) 2008-06-25
ATE456126T1 (de) 2010-02-15
EP2157572A1 (en) 2010-02-24
US20090292542A1 (en) 2009-11-26
EP2056291A1 (en) 2009-05-06
CN102122511A (zh) 2011-07-13
US20090119098A1 (en) 2009-05-07
ES2374043T3 (es) 2012-02-13
DE602008000579D1 (de) 2010-03-11
CN100550712C (zh) 2009-10-14
JP2009116332A (ja) 2009-05-28
PT2056291E (pt) 2010-03-18
EP2157572B1 (en) 2011-10-19
JP4586090B2 (ja) 2010-11-24
WO2009059498A1 (fr) 2009-05-14
EP2056291B1 (en) 2010-01-20
KR20090046713A (ko) 2009-05-11
US7835912B2 (en) 2010-11-16
HK1154696A1 (en) 2012-04-27

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