ATE473504T1 - Fortgeschrittene kodierung/dekodierung von digitalen tonsignalen - Google Patents
Fortgeschrittene kodierung/dekodierung von digitalen tonsignalenInfo
- Publication number
- ATE473504T1 ATE473504T1 AT08762010T AT08762010T ATE473504T1 AT E473504 T1 ATE473504 T1 AT E473504T1 AT 08762010 T AT08762010 T AT 08762010T AT 08762010 T AT08762010 T AT 08762010T AT E473504 T1 ATE473504 T1 AT E473504T1
- Authority
- AT
- Austria
- Prior art keywords
- decoding
- sub
- signal
- band
- sound signals
- Prior art date
Links
- 230000000873 masking effect Effects 0.000 abstract 4
- 238000000034 method Methods 0.000 abstract 4
- 238000004364 calculation method Methods 0.000 abstract 2
- 238000004590 computer program Methods 0.000 abstract 2
- 230000003595 spectral effect Effects 0.000 abstract 2
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
- G10L19/04—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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
-
- 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
- G10L19/002—Dynamic bit allocation
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0700747A FR2912249A1 (fr) | 2007-02-02 | 2007-02-02 | Codage/decodage perfectionnes de signaux audionumeriques. |
| PCT/FR2008/050150 WO2008104663A1 (fr) | 2007-02-02 | 2008-01-30 | Codage/decodage perfectionnes de signaux audionumeriques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE473504T1 true ATE473504T1 (de) | 2010-07-15 |
Family
ID=38477199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT08762010T ATE473504T1 (de) | 2007-02-02 | 2008-01-30 | Fortgeschrittene kodierung/dekodierung von digitalen tonsignalen |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US8543389B2 (de) |
| EP (1) | EP2115741B1 (de) |
| JP (1) | JP5357055B2 (de) |
| KR (1) | KR101425944B1 (de) |
| CN (1) | CN101622661B (de) |
| AT (1) | ATE473504T1 (de) |
| DE (1) | DE602008001718D1 (de) |
| ES (1) | ES2347850T3 (de) |
| FR (1) | FR2912249A1 (de) |
| WO (1) | WO2008104663A1 (de) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080046233A1 (en) | 2006-08-15 | 2008-02-21 | Broadcom Corporation | Packet Loss Concealment for Sub-band Predictive Coding Based on Extrapolation of Full-band Audio Waveform |
| CA2730200C (en) * | 2008-07-11 | 2016-09-27 | Max Neuendorf | An apparatus and a method for generating bandwidth extension output data |
| BRPI0910511B1 (pt) * | 2008-07-11 | 2021-06-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Aparelho e método para decodificar e codificar um sinal de áudio |
| WO2010028301A1 (en) * | 2008-09-06 | 2010-03-11 | GH Innovation, Inc. | Spectrum harmonic/noise sharpness control |
| US8532983B2 (en) * | 2008-09-06 | 2013-09-10 | Huawei Technologies Co., Ltd. | Adaptive frequency prediction for encoding or decoding an audio signal |
| WO2010028297A1 (en) * | 2008-09-06 | 2010-03-11 | GH Innovation, Inc. | Selective bandwidth extension |
| US8577673B2 (en) * | 2008-09-15 | 2013-11-05 | Huawei Technologies Co., Ltd. | CELP post-processing for music signals |
| WO2010031003A1 (en) * | 2008-09-15 | 2010-03-18 | Huawei Technologies Co., Ltd. | Adding second enhancement layer to celp based core layer |
| CN102396024A (zh) * | 2009-02-16 | 2012-03-28 | 韩国电子通信研究院 | 使用自适应正弦波脉冲编码的用于音频信号的编码/解码方法及其设备 |
| FR2947944A1 (fr) * | 2009-07-07 | 2011-01-14 | France Telecom | Codage/decodage perfectionne de signaux audionumeriques |
| MY163358A (en) * | 2009-10-08 | 2017-09-15 | Fraunhofer-Gesellschaft Zur Förderung Der Angenwandten Forschung E V | Multi-mode audio signal decoder,multi-mode audio signal encoder,methods and computer program using a linear-prediction-coding based noise shaping |
| JP5565914B2 (ja) * | 2009-10-23 | 2014-08-06 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置およびこれらの方法 |
| WO2011121782A1 (ja) * | 2010-03-31 | 2011-10-06 | 富士通株式会社 | 帯域拡張装置および帯域拡張方法 |
| US9443534B2 (en) | 2010-04-14 | 2016-09-13 | Huawei Technologies Co., Ltd. | Bandwidth extension system and approach |
| WO2011132368A1 (ja) * | 2010-04-19 | 2011-10-27 | パナソニック株式会社 | 符号化装置、復号装置、符号化方法及び復号方法 |
| US8600737B2 (en) | 2010-06-01 | 2013-12-03 | Qualcomm Incorporated | Systems, methods, apparatus, and computer program products for wideband speech coding |
| EP3079153B1 (de) | 2010-07-02 | 2018-08-01 | Dolby International AB | Audiodekodierung mit selektiver nachfilterung |
| US8831933B2 (en) | 2010-07-30 | 2014-09-09 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for multi-stage shape vector quantization |
| US9208792B2 (en) * | 2010-08-17 | 2015-12-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for noise injection |
| KR101826331B1 (ko) * | 2010-09-15 | 2018-03-22 | 삼성전자주식회사 | 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법 |
| BR112013016438B1 (pt) * | 2010-12-29 | 2021-08-17 | Samsung Electronics Co., Ltd | Método de codificação, método de decodificação, e mídia de gravação legível por computador não transitória |
| JP5648123B2 (ja) * | 2011-04-20 | 2015-01-07 | パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ | 音声音響符号化装置、音声音響復号装置、およびこれらの方法 |
| US8712076B2 (en) | 2012-02-08 | 2014-04-29 | Dolby Laboratories Licensing Corporation | Post-processing including median filtering of noise suppression gains |
| US9173025B2 (en) | 2012-02-08 | 2015-10-27 | Dolby Laboratories Licensing Corporation | Combined suppression of noise, echo, and out-of-location signals |
| CN103548080B (zh) * | 2012-05-11 | 2017-03-08 | 松下电器产业株式会社 | 声音信号混合编码器、声音信号混合解码器、声音信号编码方法以及声音信号解码方法 |
| CA3054712C (en) | 2013-01-08 | 2020-06-09 | Lars Villemoes | Model based prediction in a critically sampled filterbank |
| CA2908625C (en) | 2013-04-05 | 2017-10-03 | Dolby International Ab | Audio encoder and decoder |
| CN104217727B (zh) * | 2013-05-31 | 2017-07-21 | 华为技术有限公司 | 信号解码方法及设备 |
| US9418671B2 (en) * | 2013-08-15 | 2016-08-16 | Huawei Technologies Co., Ltd. | Adaptive high-pass post-filter |
| CN105900455B (zh) * | 2013-10-22 | 2018-04-06 | 延世大学工业学术合作社 | 用于处理音频信号的方法和设备 |
| KR101498113B1 (ko) * | 2013-10-23 | 2015-03-04 | 광주과학기술원 | 사운드 신호의 대역폭 확장 장치 및 방법 |
| SG11201609834TA (en) * | 2014-03-24 | 2016-12-29 | Samsung Electronics Co Ltd | High-band encoding method and device, and high-band decoding method and device |
| CN110534122B (zh) * | 2014-05-01 | 2022-10-21 | 日本电信电话株式会社 | 解码装置、及其方法、记录介质 |
| KR102742778B1 (ko) | 2014-07-28 | 2024-12-16 | 삼성전자주식회사 | 신호 부호화방법 및 장치와 신호 복호화방법 및 장치 |
| US20190008859A1 (en) | 2015-08-21 | 2019-01-10 | Acerta Pharma B.V. | Therapeutic Combinations of a MEK Inhibitor and a BTK Inhibitor |
| US10628165B2 (en) * | 2017-08-17 | 2020-04-21 | Agora Lab, Inc. | Gain control for multiple description coding |
| EP3483880A1 (de) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Zeitliche rauschformung |
| EP3483882A1 (de) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Steuerung der bandbreite in codierern und/oder decodierern |
| EP3483878A1 (de) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiodecoder mit auswahlfunktion für unterschiedliche verlustmaskierungswerkzeuge |
| EP3483886A1 (de) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Auswahl einer grundfrequenz |
| EP3483883A1 (de) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiokodierung und -dekodierung mit selektiver nachfilterung |
| EP3483879A1 (de) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analyse-/synthese-fensterfunktion für modulierte geläppte transformation |
| EP3483884A1 (de) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signalfiltrierung |
| WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
| KR102189733B1 (ko) * | 2019-06-12 | 2020-12-11 | 주식회사 에이치알지 | 대동물의 섭취량을 측정하는 전자 장치 및 그 동작 방법 |
| JPWO2024034389A1 (de) * | 2022-08-09 | 2024-02-15 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0695700A (ja) * | 1992-09-09 | 1994-04-08 | Toshiba Corp | 音声符号化方法及びその装置 |
| US5623577A (en) * | 1993-07-16 | 1997-04-22 | Dolby Laboratories Licensing Corporation | Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions |
| US5632003A (en) * | 1993-07-16 | 1997-05-20 | Dolby Laboratories Licensing Corporation | Computationally efficient adaptive bit allocation for coding method and apparatus |
| US5625743A (en) * | 1994-10-07 | 1997-04-29 | Motorola, Inc. | Determining a masking level for a subband in a subband audio encoder |
| US5790759A (en) * | 1995-09-19 | 1998-08-04 | Lucent Technologies Inc. | Perceptual noise masking measure based on synthesis filter frequency response |
| EP0764939B1 (de) * | 1995-09-19 | 2002-05-02 | AT&T Corp. | Synthese von Sprachsignalen in Abwesenheit kodierter Parameter |
| EP1080462B1 (de) * | 1998-05-27 | 2005-02-02 | Microsoft Corporation | Verfahren und vorrichtung zur entropie-kodierung von quantisierten transformationskoeffizienten eines signals |
| JP3515903B2 (ja) * | 1998-06-16 | 2004-04-05 | 松下電器産業株式会社 | オーディオ符号化のための動的ビット割り当て方法及び装置 |
| US6363338B1 (en) * | 1999-04-12 | 2002-03-26 | Dolby Laboratories Licensing Corporation | Quantization in perceptual audio coders with compensation for synthesis filter noise spreading |
| JP2003280697A (ja) * | 2002-03-22 | 2003-10-02 | Sanyo Electric Co Ltd | 音声圧縮方法および音声圧縮装置 |
| AU2003234763A1 (en) * | 2002-04-26 | 2003-11-10 | Matsushita Electric Industrial Co., Ltd. | Coding device, decoding device, coding method, and decoding method |
| FR2850781B1 (fr) * | 2003-01-30 | 2005-05-06 | Jean Luc Crebouw | Procede pour le traitement numerique differencie de la voix et de la musique, le filtrage du bruit, la creation d'effets speciaux et dispositif pour la mise en oeuvre dudit procede |
| US7333930B2 (en) * | 2003-03-14 | 2008-02-19 | Agere Systems Inc. | Tonal analysis for perceptual audio coding using a compressed spectral representation |
| RU2404506C2 (ru) * | 2004-11-05 | 2010-11-20 | Панасоник Корпорэйшн | Устройство масштабируемого декодирования и устройство масштабируемого кодирования |
| US7562021B2 (en) * | 2005-07-15 | 2009-07-14 | Microsoft Corporation | Modification of codewords in dictionary used for efficient coding of digital media spectral data |
| DE602008005250D1 (de) * | 2008-01-04 | 2011-04-14 | Dolby Sweden Ab | Audiokodierer und -dekodierer |
-
2007
- 2007-02-02 FR FR0700747A patent/FR2912249A1/fr not_active Withdrawn
-
2008
- 2008-01-30 AT AT08762010T patent/ATE473504T1/de not_active IP Right Cessation
- 2008-01-30 ES ES08762010T patent/ES2347850T3/es active Active
- 2008-01-30 KR KR1020097016113A patent/KR101425944B1/ko active Active
- 2008-01-30 US US12/524,774 patent/US8543389B2/en active Active
- 2008-01-30 WO PCT/FR2008/050150 patent/WO2008104663A1/fr not_active Ceased
- 2008-01-30 CN CN2008800066533A patent/CN101622661B/zh active Active
- 2008-01-30 JP JP2009547737A patent/JP5357055B2/ja active Active
- 2008-01-30 EP EP08762010A patent/EP2115741B1/de active Active
- 2008-01-30 DE DE602008001718T patent/DE602008001718D1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2912249A1 (fr) | 2008-08-08 |
| EP2115741A1 (de) | 2009-11-11 |
| ES2347850T3 (es) | 2010-11-04 |
| JP5357055B2 (ja) | 2013-12-04 |
| KR101425944B1 (ko) | 2014-08-06 |
| WO2008104663A1 (fr) | 2008-09-04 |
| CN101622661A (zh) | 2010-01-06 |
| EP2115741B1 (de) | 2010-07-07 |
| JP2010518422A (ja) | 2010-05-27 |
| US8543389B2 (en) | 2013-09-24 |
| US20100121646A1 (en) | 2010-05-13 |
| CN101622661B (zh) | 2012-05-23 |
| KR20090104846A (ko) | 2009-10-06 |
| DE602008001718D1 (de) | 2010-08-19 |
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| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |