EP1145227B1 - Verfahren und vorrichtung zum verschleiern eines fehlers in einem codierten audiosignal und verfahren und vorrichtung zum decodieren eines codierten audiosignals - Google Patents
Verfahren und vorrichtung zum verschleiern eines fehlers in einem codierten audiosignal und verfahren und vorrichtung zum decodieren eines codierten audiosignals Download PDFInfo
- Publication number
- EP1145227B1 EP1145227B1 EP00926896A EP00926896A EP1145227B1 EP 1145227 B1 EP1145227 B1 EP 1145227B1 EP 00926896 A EP00926896 A EP 00926896A EP 00926896 A EP00926896 A EP 00926896A EP 1145227 B1 EP1145227 B1 EP 1145227B1
- Authority
- EP
- European Patent Office
- Prior art keywords
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- spectral
- spectral coefficients
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- 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.)
- Expired - Lifetime
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19921122A DE19921122C1 (de) | 1999-05-07 | 1999-05-07 | Verfahren und Vorrichtung zum Verschleiern eines Fehlers in einem codierten Audiosignal und Verfahren und Vorrichtung zum Decodieren eines codierten Audiosignals |
DE19921122 | 1999-05-07 | ||
PCT/EP2000/003294 WO2000068934A1 (de) | 1999-05-07 | 2000-04-12 | Verfahren und vorrichtung zum verschleiern eines fehlers in einem codierten audiosignal und verfahren und vorrichtung zum decodieren eines codierten audiosignals |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1145227A1 EP1145227A1 (de) | 2001-10-17 |
EP1145227B1 true EP1145227B1 (de) | 2002-07-24 |
Family
ID=7907325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00926896A Expired - Lifetime EP1145227B1 (de) | 1999-05-07 | 2000-04-12 | Verfahren und vorrichtung zum verschleiern eines fehlers in einem codierten audiosignal und verfahren und vorrichtung zum decodieren eines codierten audiosignals |
Country Status (6)
Country | Link |
---|---|
US (1) | US7003448B1 (ja) |
EP (1) | EP1145227B1 (ja) |
JP (1) | JP3623449B2 (ja) |
AT (1) | ATE221244T1 (ja) |
DE (2) | DE19921122C1 (ja) |
WO (1) | WO2000068934A1 (ja) |
Families Citing this family (41)
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US7315815B1 (en) * | 1999-09-22 | 2008-01-01 | Microsoft Corporation | LPC-harmonic vocoder with superframe structure |
DE19959038A1 (de) * | 1999-12-08 | 2001-06-28 | Bosch Gmbh Robert | Verfahren zur Dekodierung von digitalen Audiodaten |
EP1199709A1 (en) * | 2000-10-20 | 2002-04-24 | Telefonaktiebolaget Lm Ericsson | Error Concealment in relation to decoding of encoded acoustic signals |
US7428684B2 (en) | 2002-04-29 | 2008-09-23 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Device and method for concealing an error |
DE10219133B4 (de) * | 2002-04-29 | 2007-02-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verschleiern eines Fehlers |
SE527669C2 (sv) * | 2003-12-19 | 2006-05-09 | Ericsson Telefon Ab L M | Förbättrad felmaskering i frekvensdomänen |
US7356748B2 (en) * | 2003-12-19 | 2008-04-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Partial spectral loss concealment in transform codecs |
JP4744438B2 (ja) * | 2004-03-05 | 2011-08-10 | パナソニック株式会社 | エラー隠蔽装置およびエラー隠蔽方法 |
US7668712B2 (en) * | 2004-03-31 | 2010-02-23 | Microsoft Corporation | Audio encoding and decoding with intra frames and adaptive forward error correction |
KR20070068424A (ko) * | 2004-10-26 | 2007-06-29 | 마츠시타 덴끼 산교 가부시키가이샤 | 음성 부호화 장치 및 음성 부호화 방법 |
KR100668319B1 (ko) * | 2004-12-07 | 2007-01-12 | 삼성전자주식회사 | 오디오 신호의 변환방법 및 장치와 오디오 신호에적응적인 부호화방법 및 장치, 오디오 신호의 역변환 방법및 장치와 오디오 신호에 적응적인 복호화 방법 및 장치 |
KR100708123B1 (ko) * | 2005-02-04 | 2007-04-16 | 삼성전자주식회사 | 자동으로 오디오 볼륨을 조절하는 방법 및 장치 |
US7831421B2 (en) * | 2005-05-31 | 2010-11-09 | Microsoft Corporation | Robust decoder |
US7177804B2 (en) * | 2005-05-31 | 2007-02-13 | Microsoft Corporation | Sub-band voice codec with multi-stage codebooks and redundant coding |
US7707034B2 (en) * | 2005-05-31 | 2010-04-27 | Microsoft Corporation | Audio codec post-filter |
JP2006276877A (ja) * | 2006-05-22 | 2006-10-12 | Nec Corp | 変換符号化されたデータの復号方法及び変換符号化されたデータの復号装置 |
KR101291193B1 (ko) | 2006-11-30 | 2013-07-31 | 삼성전자주식회사 | 프레임 오류은닉방법 |
ATE473605T1 (de) * | 2006-12-07 | 2010-07-15 | Akg Acoustics Gmbh | Vorrichtung zur ausblendung von signalausfällen für eine mehrkanalanordnung |
US20090048828A1 (en) * | 2007-08-15 | 2009-02-19 | University Of Washington | Gap interpolation in acoustic signals using coherent demodulation |
US8126578B2 (en) * | 2007-09-26 | 2012-02-28 | University Of Washington | Clipped-waveform repair in acoustic signals using generalized linear prediction |
CN101911153B (zh) * | 2008-01-21 | 2014-08-20 | 日本电信电话株式会社 | 秘密计算系统、秘密计算方法、秘密计算装置 |
WO2010111841A1 (zh) * | 2009-04-03 | 2010-10-07 | 华为技术有限公司 | 频域脉冲解码的预测方法和预测装置及解码器 |
JP2011257575A (ja) * | 2010-06-09 | 2011-12-22 | Cri Middleware Co Ltd | 音声処理装置、音声処理方法、プログラムおよび記録媒体 |
WO2011156905A2 (en) * | 2010-06-17 | 2011-12-22 | Voiceage Corporation | Multi-rate algebraic vector quantization with supplemental coding of missing spectrum sub-bands |
EP2458585B1 (en) * | 2010-11-29 | 2013-07-17 | Nxp B.V. | Error concealment for sub-band coded audio signals |
JP5625126B2 (ja) | 2011-02-14 | 2014-11-12 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | スペクトル領域ノイズ整形を使用する線形予測ベースコーディングスキーム |
PL3239978T3 (pl) | 2011-02-14 | 2019-07-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Kodowanie i dekodowanie pozycji impulsów ścieżek sygnału 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 |
CA2827249C (en) | 2011-02-14 | 2016-08-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for processing a decoded audio signal in a spectral domain |
BR112012029132B1 (pt) | 2011-02-14 | 2021-10-05 | Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V | Representação de sinal de informações utilizando transformada sobreposta |
JP5849106B2 (ja) * | 2011-02-14 | 2016-01-27 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 低遅延の統合されたスピーチ及びオーディオ符号化におけるエラー隠しのための装置及び方法 |
JP5973582B2 (ja) | 2011-10-21 | 2016-08-23 | サムスン エレクトロニクス カンパニー リミテッド | フレームエラー隠匿方法及びその装置、並びにオーディオ復号化方法及びその装置 |
BR112015017222B1 (pt) | 2013-02-05 | 2021-04-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Método e decodificador configurado para ocultar um quadro de áudio perdido de um sinal de áudio recebido, receptor, e, meio legível por computador |
EP3011561B1 (en) | 2013-06-21 | 2017-05-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for improved signal fade out in different domains during error concealment |
KR101854296B1 (ko) | 2013-10-31 | 2018-05-03 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 시간 도메인 여기 신호를 변형하는 오류 은닉을 사용하여 디코딩된 오디오 정보를 제공하기 위한 오디오 디코더 및 방법 |
PT3288026T (pt) | 2013-10-31 | 2020-07-20 | Fraunhofer Ges Forschung | Descodificador áudio e método para fornecer uma informação de áudio descodificada utilizando uma ocultação de erro baseada num sinal de excitação no domínio de tempo |
CN107004417B (zh) * | 2014-12-09 | 2021-05-07 | 杜比国际公司 | Mdct域错误掩盖 |
US10763885B2 (en) | 2018-11-06 | 2020-09-01 | Stmicroelectronics S.R.L. | Method of error concealment, and associated device |
US10784988B2 (en) | 2018-12-21 | 2020-09-22 | Microsoft Technology Licensing, Llc | Conditional forward error correction for network data |
US10803876B2 (en) * | 2018-12-21 | 2020-10-13 | Microsoft Technology Licensing, Llc | Combined forward and backward extrapolation of lost network data |
CN111711493B (zh) * | 2020-06-16 | 2022-03-11 | 中国电子科技集团公司第三研究所 | 具有加密解密能力的水下通信设备及发射器和接收器 |
Family Cites Families (9)
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US5752225A (en) * | 1989-01-27 | 1998-05-12 | Dolby Laboratories Licensing Corporation | Method and apparatus for split-band encoding and split-band decoding of audio information using adaptive bit allocation to adjacent subbands |
JPH03245370A (ja) | 1990-02-22 | 1991-10-31 | Matsushita Electric Ind Co Ltd | 音声帯域分割復号化装置 |
DE4034017A1 (de) * | 1990-10-25 | 1992-04-30 | Fraunhofer Ges Forschung | Verfahren zum erkennen von fehlern bei der uebertragung von frequenzcodierten digitalen signalen |
JPH07123242B2 (ja) | 1993-07-06 | 1995-12-25 | 日本電気株式会社 | 音声信号復号化装置 |
KR970011728B1 (ko) * | 1994-12-21 | 1997-07-14 | 김광호 | 음향신호의 에러은닉방법 및 그 장치 |
JPH08328599A (ja) | 1995-06-01 | 1996-12-13 | Mitsubishi Electric Corp | Mpegオーディオ復号器 |
US5781888A (en) * | 1996-01-16 | 1998-07-14 | Lucent Technologies Inc. | Perceptual noise shaping in the time domain via LPC prediction in the frequency domain |
DE19735675C2 (de) * | 1997-04-23 | 2002-12-12 | Fraunhofer Ges Forschung | Verfahren zum Verschleiern von Fehlern in einem Audiodatenstrom |
US6418408B1 (en) * | 1999-04-05 | 2002-07-09 | Hughes Electronics Corporation | Frequency domain interpolative speech codec system |
-
1999
- 1999-05-07 DE DE19921122A patent/DE19921122C1/de not_active Expired - Lifetime
-
2000
- 2000-04-12 AT AT00926896T patent/ATE221244T1/de active
- 2000-04-12 EP EP00926896A patent/EP1145227B1/de not_active Expired - Lifetime
- 2000-04-12 US US09/980,534 patent/US7003448B1/en not_active Expired - Lifetime
- 2000-04-12 DE DE50000306T patent/DE50000306D1/de not_active Expired - Lifetime
- 2000-04-12 WO PCT/EP2000/003294 patent/WO2000068934A1/de active IP Right Grant
- 2000-04-12 JP JP2000617440A patent/JP3623449B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3623449B2 (ja) | 2005-02-23 |
EP1145227A1 (de) | 2001-10-17 |
ATE221244T1 (de) | 2002-08-15 |
WO2000068934A1 (de) | 2000-11-16 |
US7003448B1 (en) | 2006-02-21 |
DE50000306D1 (de) | 2002-08-29 |
DE19921122C1 (de) | 2001-01-25 |
JP2002544550A (ja) | 2002-12-24 |
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