CN1703736A - 用于源控制可变比特率宽带语音编码的方法和装置 - Google Patents

用于源控制可变比特率宽带语音编码的方法和装置 Download PDF

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CN1703736A
CN1703736A CNA2003801011412A CN200380101141A CN1703736A CN 1703736 A CN1703736 A CN 1703736A CN A2003801011412 A CNA2003801011412 A CN A2003801011412A CN 200380101141 A CN200380101141 A CN 200380101141A CN 1703736 A CN1703736 A CN 1703736A
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frame
signal
unvoiced
signal frame
speech
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Chinese (zh)
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M·耶利内克
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Nokia Inc
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Nokia Inc
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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
    • G10L19/04—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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Studio Devices (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CNA2003801011412A 2002-10-11 2003-10-09 用于源控制可变比特率宽带语音编码的方法和装置 Pending CN1703736A (zh)

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US41766702P 2002-10-11 2002-10-11
US60/417,667 2002-10-11

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CNA2003801011412A Pending CN1703736A (zh) 2002-10-11 2003-10-09 用于源控制可变比特率宽带语音编码的方法和装置
CN2003801012805A Expired - Lifetime CN1703737B (zh) 2002-10-11 2003-10-10 在自适应多速率宽带(amr-wb)和多模式可变比特率宽带(vmr-wb)编解码器之间互操作的方法

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US (1) US7203638B2 (https=)
EP (2) EP1550108A2 (https=)
JP (2) JP2006502426A (https=)
KR (2) KR100711280B1 (https=)
CN (2) CN1703736A (https=)
AT (1) ATE505786T1 (https=)
AU (2) AU2003278013A1 (https=)
BR (2) BR0315179A (https=)
CA (2) CA2501368C (https=)
DE (1) DE60336744D1 (https=)
EG (1) EG23923A (https=)
ES (1) ES2361154T3 (https=)
MY (2) MY134085A (https=)
RU (2) RU2331933C2 (https=)
WO (2) WO2004034379A2 (https=)

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CN104299384A (zh) * 2014-10-13 2015-01-21 浙江大学 一种基于Zigbee异质传感器网络的环境监控系统
CN104517612A (zh) * 2013-09-30 2015-04-15 上海爱聊信息科技有限公司 基于amr-nb语音信号的可变码率编码器和解码器及其编码和解码方法
CN104995678A (zh) * 2013-02-21 2015-10-21 高通股份有限公司 用于控制平均编码率的系统和方法
CN105654958A (zh) * 2010-09-15 2016-06-08 三星电子株式会社 用于高频带宽扩展的对信号进行编码和解码的设备和方法
CN110097896A (zh) * 2013-09-09 2019-08-06 华为技术有限公司 语音处理的清浊音判决方法及装置
CN113519023A (zh) * 2019-10-29 2021-10-19 苹果公司 具有压缩环境的音频编码
CN113611325A (zh) * 2021-04-26 2021-11-05 珠海市杰理科技股份有限公司 基于清浊音实现的语音信号变速方法、装置和音频设备

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