ATE221244T1 - 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 audiosignalsInfo
- Publication number
- ATE221244T1 ATE221244T1 AT00926896T AT00926896T ATE221244T1 AT E221244 T1 ATE221244 T1 AT E221244T1 AT 00926896 T AT00926896 T AT 00926896T AT 00926896 T AT00926896 T AT 00926896T AT E221244 T1 ATE221244 T1 AT E221244T1
- Authority
- AT
- Austria
- Prior art keywords
- sub
- spectral coefficients
- band
- audio signal
- encoded audio
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 230000003595 spectral effect Effects 0.000 abstract 7
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000002123 temporal effect Effects 0.000 abstract 1
- 230000001131 transforming effect Effects 0.000 abstract 1
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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (2)
| 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 |
| 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 (1)
| Publication Number | Publication Date |
|---|---|
| ATE221244T1 true ATE221244T1 (de) | 2002-08-15 |
Family
ID=7907325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT00926896T ATE221244T1 (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 (de) |
| EP (1) | EP1145227B1 (de) |
| JP (1) | JP3623449B2 (de) |
| AT (1) | ATE221244T1 (de) |
| DE (2) | DE19921122C1 (de) |
| WO (1) | WO2000068934A1 (de) |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (de) * | 2000-10-20 | 2002-04-24 | Telefonaktiebolaget Lm Ericsson | Fehlerverdeckung in Bezug auf die Dekodierung von kodierten akustischen Signalen |
| DE10219133B4 (de) * | 2002-04-29 | 2007-02-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verschleiern eines Fehlers |
| US7428684B2 (en) | 2002-04-29 | 2008-09-23 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Device and method for concealing an error |
| US7356748B2 (en) * | 2003-12-19 | 2008-04-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Partial spectral loss concealment in transform codecs |
| SE527669C2 (sv) * | 2003-12-19 | 2006-05-09 | Ericsson Telefon Ab L M | Förbättrad felmaskering i frekvensdomänen |
| ATE523876T1 (de) | 2004-03-05 | 2011-09-15 | Panasonic Corp | Fehlerverbergungseinrichtung und fehlerverbergungsverfahren |
| 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 |
| US7707034B2 (en) * | 2005-05-31 | 2010-04-27 | Microsoft Corporation | Audio codec post-filter |
| US7177804B2 (en) | 2005-05-31 | 2007-02-13 | Microsoft Corporation | Sub-band voice codec with multi-stage codebooks and redundant coding |
| 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 |
| DE602006015376D1 (de) * | 2006-12-07 | 2010-08-19 | 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 |
| US9300469B2 (en) * | 2008-01-21 | 2016-03-29 | Nippon Telegraph And Telephone Corporation | Secure computing system, secure computing method, secure computing apparatus, and program therefor |
| CN102246229B (zh) * | 2009-04-03 | 2013-03-27 | 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 (de) * | 2010-11-29 | 2013-07-17 | Nxp B.V. | Fehlerverdeckung für Subband-codierte Audiosignale |
| CN103493129B (zh) | 2011-02-14 | 2016-08-10 | 弗劳恩霍夫应用研究促进协会 | 用于使用瞬态检测及质量结果将音频信号的部分编码的装置与方法 |
| PL2676268T3 (pl) | 2011-02-14 | 2015-05-29 | Fraunhofer Ges Forschung | Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej |
| RU2586597C2 (ru) | 2011-02-14 | 2016-06-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Кодирование и декодирование позиций импульсов дорожек аудиосигнала |
| CN102959620B (zh) | 2011-02-14 | 2015-05-13 | 弗兰霍菲尔运输应用研究公司 | 利用重迭变换的信息信号表示 |
| TWI488177B (zh) | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | 使用頻譜域雜訊整形之基於線性預測的編碼方案 |
| 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 |
| 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 |
| PL3866164T3 (pl) | 2013-02-05 | 2023-12-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Ukrywanie utraty ramki sygnału audio |
| EP3011561B1 (de) | 2013-06-21 | 2017-05-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zur verbesserung der signalausblendung in verschiedenen domänen während der fehlermaskierung |
| JP6306175B2 (ja) | 2013-10-31 | 2018-04-04 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | 時間ドメイン励振信号に基づくエラーコンシールメントを用いて、復号化されたオーディオ情報を提供するオーディオデコーダおよび復号化されたオーディオ情報を提供する方法 |
| ES2755166T3 (es) | 2013-10-31 | 2020-04-21 | Fraunhofer Ges Forschung | Decodificador de audio y método para proporcionar una información de audio decodificada usando una ocultación de error que modifica una señal de excitación de dominio de tiempo |
| EP3230980B1 (de) * | 2014-12-09 | 2018-11-28 | Dolby International AB | Mdct-domain-fehlerverdeckung |
| US10763885B2 (en) | 2018-11-06 | 2020-09-01 | Stmicroelectronics S.R.L. | Method of error concealment, and associated device |
| US10803876B2 (en) * | 2018-12-21 | 2020-10-13 | Microsoft Technology Licensing, Llc | Combined forward and backward extrapolation of lost network data |
| US10784988B2 (en) | 2018-12-21 | 2020-09-22 | Microsoft Technology Licensing, Llc | Conditional forward error correction for 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US5455833A (en) * | 1990-10-25 | 1995-10-03 | Fraunhofer Gesellschaft Zur Forschung E.V. | Process for the detecting of errors in the transmission of frequency-coded digital signals |
| 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 |
| WO2000060576A1 (en) * | 1999-04-05 | 2000-10-12 | Hughes Electronics Corporation | Spectral phase modeling of the prototype waveform components for a frequency domain interpolative speech codec system |
-
1999
- 1999-05-07 DE DE19921122A patent/DE19921122C1/de not_active Expired - Lifetime
-
2000
- 2000-04-12 JP JP2000617440A patent/JP3623449B2/ja not_active Expired - Lifetime
- 2000-04-12 AT AT00926896T patent/ATE221244T1/de active
- 2000-04-12 DE DE50000306T patent/DE50000306D1/de not_active Expired - Lifetime
- 2000-04-12 EP EP00926896A patent/EP1145227B1/de not_active Expired - Lifetime
- 2000-04-12 WO PCT/EP2000/003294 patent/WO2000068934A1/de not_active Ceased
- 2000-04-12 US US09/980,534 patent/US7003448B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000068934A1 (de) | 2000-11-16 |
| JP2002544550A (ja) | 2002-12-24 |
| EP1145227B1 (de) | 2002-07-24 |
| JP3623449B2 (ja) | 2005-02-23 |
| DE19921122C1 (de) | 2001-01-25 |
| DE50000306D1 (de) | 2002-08-29 |
| US7003448B1 (en) | 2006-02-21 |
| EP1145227A1 (de) | 2001-10-17 |
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