CN1313983A - 噪声信号编码装置及语音信号编码装置 - Google Patents
噪声信号编码装置及语音信号编码装置 Download PDFInfo
- Publication number
- CN1313983A CN1313983A CN00801092.7A CN00801092A CN1313983A CN 1313983 A CN1313983 A CN 1313983A CN 00801092 A CN00801092 A CN 00801092A CN 1313983 A CN1313983 A CN 1313983A
- Authority
- CN
- China
- Prior art keywords
- signal
- noise
- mentioned
- tone
- voice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000008859 change Effects 0.000 claims abstract description 17
- 238000004458 analytical method Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 33
- 238000001514 detection method Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 7
- 238000004445 quantitative analysis Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 description 21
- 238000010586 diagram Methods 0.000 description 20
- 230000005540 biological transmission Effects 0.000 description 18
- 238000001228 spectrum Methods 0.000 description 12
- 206010038743 Restlessness Diseases 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000007792 addition Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000013179 statistical model Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010205 computational analysis Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 101100391180 Dictyostelium discoideum forG gene Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses
Landscapes
- 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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP168545/1999 | 1999-06-15 | ||
JP16854599A JP4464484B2 (ja) | 1999-06-15 | 1999-06-15 | 雑音信号符号化装置および音声信号符号化装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1313983A true CN1313983A (zh) | 2001-09-19 |
Family
ID=15870014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN00801092.7A Pending CN1313983A (zh) | 1999-06-15 | 2000-06-01 | 噪声信号编码装置及语音信号编码装置 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1120775A4 (fr) |
JP (1) | JP4464484B2 (fr) |
CN (1) | CN1313983A (fr) |
AU (1) | AU5103700A (fr) |
WO (1) | WO2000077774A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101546557B (zh) * | 2008-03-28 | 2011-03-23 | 展讯通信(上海)有限公司 | 用于音频内容识别的分类器参数更新方法 |
CN101715643B (zh) * | 2007-06-27 | 2012-12-26 | 日本电气株式会社 | 多地点连接装置、信号分析以及装置、其方法及程序 |
CN104469250A (zh) * | 2013-09-23 | 2015-03-25 | 联想(北京)有限公司 | 一种信息处理方法及电子设备 |
CN106796803A (zh) * | 2014-10-14 | 2017-05-31 | 汤姆逊许可公司 | 用于在音频通信中将语音数据与背景数据分离的方法和装置 |
CN106971741A (zh) * | 2016-01-14 | 2017-07-21 | 芋头科技(杭州)有限公司 | 实时将语音进行分离的语音降噪的方法及系统 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4769121B2 (ja) * | 2006-05-15 | 2011-09-07 | 日本電信電話株式会社 | サーバ・クライアント型音声認識方法、装置およびサーバ・クライアント型音声認識プログラム、記録媒体 |
US20120095760A1 (en) * | 2008-12-19 | 2012-04-19 | Ojala Pasi S | Apparatus, a method and a computer program for coding |
KR101551046B1 (ko) | 2011-02-14 | 2015-09-07 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 저-지연 통합 스피치 및 오디오 코딩에서 에러 은닉을 위한 장치 및 방법 |
PL2676265T3 (pl) | 2011-02-14 | 2019-09-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Urządzenie i sposób do kodowania sygnału audio z stosowaniem zrównanej części antycypacji |
TWI488176B (zh) | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | 音訊信號音軌脈衝位置之編碼與解碼技術 |
PL2676264T3 (pl) | 2011-02-14 | 2015-06-30 | Fraunhofer Ges Forschung | Koder audio estymujący szum tła podczas faz aktywnych |
MY166394A (en) | 2011-02-14 | 2018-06-25 | Fraunhofer Ges Forschung | Information signal representation using lapped transform |
ES2639646T3 (es) | 2011-02-14 | 2017-10-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificación y decodificación de posiciones de impulso de pistas de una señal de audio |
KR101525185B1 (ko) | 2011-02-14 | 2015-06-02 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 트랜지언트 검출 및 품질 결과를 사용하여 일부분의 오디오 신호를 코딩하기 위한 장치 및 방법 |
CN103477387B (zh) | 2011-02-14 | 2015-11-25 | 弗兰霍菲尔运输应用研究公司 | 使用频谱域噪声整形的基于线性预测的编码方案 |
BR112013020482B1 (pt) | 2011-02-14 | 2021-02-23 | Fraunhofer Ges Forschung | aparelho e método para processar um sinal de áudio decodificado em um domínio espectral |
WO2017208820A1 (fr) | 2016-05-30 | 2017-12-07 | ソニー株式会社 | Dispositif de traitement de son vidéo, procédé de traitement de son vidéo, et programme |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2692104B2 (ja) * | 1988-02-12 | 1997-12-17 | 株式会社日立製作所 | 音声多重化システム |
JPH07129195A (ja) * | 1993-11-05 | 1995-05-19 | Nec Corp | 音声復号化装置 |
JP3173639B2 (ja) * | 1995-05-26 | 2001-06-04 | 株式会社エヌ・ティ・ティ・ドコモ | 背景雑音更新システムおよび方法 |
JP2806308B2 (ja) * | 1995-06-30 | 1998-09-30 | 日本電気株式会社 | 音声復号化装置 |
JP3259759B2 (ja) * | 1996-07-22 | 2002-02-25 | 日本電気株式会社 | 音声信号伝送方法及び音声符号復号化システム |
US5960389A (en) * | 1996-11-15 | 1999-09-28 | Nokia Mobile Phones Limited | Methods for generating comfort noise during discontinuous transmission |
JP3575967B2 (ja) * | 1996-12-02 | 2004-10-13 | 沖電気工業株式会社 | 音声通信システムおよび音声通信方法 |
JP3119204B2 (ja) * | 1997-06-27 | 2000-12-18 | 日本電気株式会社 | 音声符号化装置 |
JP2000122698A (ja) * | 1998-10-19 | 2000-04-28 | Mitsubishi Electric Corp | 音声符号化装置 |
JP2003501925A (ja) * | 1999-06-07 | 2003-01-14 | エリクソン インコーポレイテッド | パラメトリックノイズモデル統計値を用いたコンフォートノイズの生成方法及び装置 |
-
1999
- 1999-06-15 JP JP16854599A patent/JP4464484B2/ja not_active Expired - Fee Related
-
2000
- 2000-06-01 AU AU51037/00A patent/AU5103700A/en not_active Abandoned
- 2000-06-01 CN CN00801092.7A patent/CN1313983A/zh active Pending
- 2000-06-01 EP EP00935511A patent/EP1120775A4/fr not_active Withdrawn
- 2000-06-01 WO PCT/JP2000/003526 patent/WO2000077774A1/fr not_active Application Discontinuation
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101715643B (zh) * | 2007-06-27 | 2012-12-26 | 日本电气株式会社 | 多地点连接装置、信号分析以及装置、其方法及程序 |
CN101546557B (zh) * | 2008-03-28 | 2011-03-23 | 展讯通信(上海)有限公司 | 用于音频内容识别的分类器参数更新方法 |
CN104469250A (zh) * | 2013-09-23 | 2015-03-25 | 联想(北京)有限公司 | 一种信息处理方法及电子设备 |
CN104469250B (zh) * | 2013-09-23 | 2019-07-26 | 联想(北京)有限公司 | 一种信息处理方法及电子设备 |
CN106796803A (zh) * | 2014-10-14 | 2017-05-31 | 汤姆逊许可公司 | 用于在音频通信中将语音数据与背景数据分离的方法和装置 |
CN106796803B (zh) * | 2014-10-14 | 2023-09-19 | 交互数字麦迪逊专利控股公司 | 用于在音频通信中将语音数据与背景数据分离的方法和装置 |
CN106971741A (zh) * | 2016-01-14 | 2017-07-21 | 芋头科技(杭州)有限公司 | 实时将语音进行分离的语音降噪的方法及系统 |
Also Published As
Publication number | Publication date |
---|---|
EP1120775A4 (fr) | 2001-09-26 |
JP2000357000A (ja) | 2000-12-26 |
WO2000077774A1 (fr) | 2000-12-21 |
JP4464484B2 (ja) | 2010-05-19 |
EP1120775A1 (fr) | 2001-08-01 |
AU5103700A (en) | 2001-01-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1266673C (zh) | 可伸缩音频编码的有效改进 | |
CN1313983A (zh) | 噪声信号编码装置及语音信号编码装置 | |
CN1223989C (zh) | 可变速率语音编码器中的帧擦除补偿法及用该方法的装置 | |
CN1158647C (zh) | 话音编码设备的频谱幅度量化 | |
CN1185624C (zh) | 具有自适应编码配置的语音编码系统 | |
CN1218295C (zh) | 语音解码中语音帧差错隐蔽的方法和系统 | |
CN101715549B (zh) | 嵌入在音频信号中的隐藏数据的恢复 | |
CN1154283C (zh) | 编码方法和装置以及解码方法和装置 | |
CN1265217A (zh) | 在语音通信系统中语音增强的方法和装置 | |
CN1302459C (zh) | 用于编码和解码非话音语音的方法和设备 | |
CN1655236A (zh) | 用于预测量化有声语音的方法和设备 | |
CN1167048C (zh) | 语音编码设备和语音解码设备 | |
CN1795495A (zh) | 音频编码设备、音频解码设备、音频编码方法和音频解码方法 | |
CN1922658A (zh) | 音频信号的分类 | |
CN1147833C (zh) | 生成和编码线状谱平方根的方法和装置 | |
CN1210685C (zh) | 语音编码中噪音鲁棒分类方法 | |
CN101044554A (zh) | 可扩展性编码装置、可扩展性解码装置以及可扩展性编码方法 | |
CN1176718A (zh) | 通信系统中的语音压缩方法及设备 | |
CN1290077C (zh) | 用来对相位谱信息进行子抽样的方法和设备 | |
CN1193159A (zh) | 语音编码译码方法和装置、电话装置、音调变换方法和介质 | |
CN1145925C (zh) | 具有改进语音编码器和解码器的发射机 | |
WO2002021091A1 (fr) | Analyseur de signal de bruit, synthetiseur de signal de bruit, procede d'analyse de signal de bruit et procede de synthese de signal de bruit | |
JP2001242896A (ja) | 音声符号化/復号装置およびその方法 | |
CN1218296C (zh) | 音调周期搜索范围设置装置 | |
CN1841499A (zh) | 代码转换装置和方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |