SE0004818D0 - Enhancing source coding systems by adaptive transposition - Google Patents
Enhancing source coding systems by adaptive transpositionInfo
- Publication number
- SE0004818D0 SE0004818D0 SE0004818A SE0004818A SE0004818D0 SE 0004818 D0 SE0004818 D0 SE 0004818D0 SE 0004818 A SE0004818 A SE 0004818A SE 0004818 A SE0004818 A SE 0004818A SE 0004818 D0 SE0004818 D0 SE 0004818D0
- Authority
- SE
- Sweden
- Prior art keywords
- source coding
- coding systems
- adaptive
- enhancing source
- transposers
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title abstract 2
- 230000002708 enhancing effect Effects 0.000 title 1
- 230000017105 transposition Effects 0.000 title 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
- G10L19/02—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
- 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
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
-
- 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
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)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0004818A SE0004818D0 (sv) | 2000-12-22 | 2000-12-22 | Enhancing source coding systems by adaptive transposition |
JP2002553760A JP3992619B2 (ja) | 2000-12-22 | 2001-12-19 | 適応転置による情報源符号化システムの増強方法 |
DE60103086T DE60103086T2 (de) | 2000-12-22 | 2001-12-19 | Verbesserung von quellcodierungssystemen durch adaptive transposition |
EP01272413A EP1338000B1 (en) | 2000-12-22 | 2001-12-19 | Enhancing source coding systems by adaptive transposition |
PCT/SE2001/002828 WO2002052545A1 (en) | 2000-12-22 | 2001-12-19 | Enhancing source coding systems by adaptive transposition |
KR1020037007893A KR100566630B1 (ko) | 2000-12-22 | 2001-12-19 | 적응형 변조에 의해 소스 코딩 시스템들을 향상시키는 방법 |
CNB018210414A CN1223990C (zh) | 2000-12-22 | 2001-12-19 | 通过自适应变换改进源编码系统 |
AT01272413T ATE265731T1 (de) | 2000-12-22 | 2001-12-19 | Verbesserung von quellcodierungssystemen durch adaptive transposition |
US10/022,526 US7260520B2 (en) | 2000-12-22 | 2001-12-20 | Enhancing source coding systems by adaptive transposition |
HK03108653A HK1056428A1 (en) | 2000-12-22 | 2003-11-27 | Enhancing source coding systems by adaptive transposition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0004818A SE0004818D0 (sv) | 2000-12-22 | 2000-12-22 | Enhancing source coding systems by adaptive transposition |
Publications (1)
Publication Number | Publication Date |
---|---|
SE0004818D0 true SE0004818D0 (sv) | 2000-12-22 |
Family
ID=20282398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0004818A SE0004818D0 (sv) | 2000-12-22 | 2000-12-22 | Enhancing source coding systems by adaptive transposition |
Country Status (10)
Country | Link |
---|---|
US (1) | US7260520B2 (sv) |
EP (1) | EP1338000B1 (sv) |
JP (1) | JP3992619B2 (sv) |
KR (1) | KR100566630B1 (sv) |
CN (1) | CN1223990C (sv) |
AT (1) | ATE265731T1 (sv) |
DE (1) | DE60103086T2 (sv) |
HK (1) | HK1056428A1 (sv) |
SE (1) | SE0004818D0 (sv) |
WO (1) | WO2002052545A1 (sv) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
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SE9903553D0 (sv) * | 1999-01-27 | 1999-10-01 | Lars Liljeryd | Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL) |
KR100462615B1 (ko) * | 2002-07-11 | 2004-12-20 | 삼성전자주식회사 | 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치 |
DE10252327A1 (de) * | 2002-11-11 | 2004-05-27 | Siemens Ag | Verfahren zur Erweiterung der Bandbreite eines schmalbandig gefilterten Sprachsignals, insbesondere eines von einem Telekommunikationsgerät gesendeten Sprachsignals |
KR100501930B1 (ko) * | 2002-11-29 | 2005-07-18 | 삼성전자주식회사 | 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치 |
CN1860787A (zh) * | 2003-09-29 | 2006-11-08 | 手持娱乐公司 | 用于编码信息的方法和装置 |
KR100608062B1 (ko) | 2004-08-04 | 2006-08-02 | 삼성전자주식회사 | 오디오 데이터의 고주파수 복원 방법 및 그 장치 |
WO2006089055A1 (en) * | 2005-02-15 | 2006-08-24 | Bbn Technologies Corp. | Speech analyzing system with adaptive noise codebook |
US8219391B2 (en) * | 2005-02-15 | 2012-07-10 | Raytheon Bbn Technologies Corp. | Speech analyzing system with speech codebook |
JP5457171B2 (ja) * | 2006-03-20 | 2014-04-02 | オランジュ | オーディオデコーダ内で信号を後処理する方法 |
US8229106B2 (en) * | 2007-01-22 | 2012-07-24 | D.S.P. Group, Ltd. | Apparatus and methods for enhancement of speech |
KR100972297B1 (ko) * | 2007-08-28 | 2010-07-23 | 한국전자통신연구원 | 가변 비트 해상도 혹은 클락 주파수를 가지는 아날로그디지털 변환기를 이용한 적응형 변조방식 및 그 장치 |
WO2009028806A2 (en) * | 2007-08-28 | 2009-03-05 | Electronics And Telecommunications Research Institute | Method for applying amplitude use to digital amplyfier with variable bit resolution or clock frequency and apparatus for excuting the method |
EP2229677B1 (en) | 2007-12-18 | 2015-09-16 | LG Electronics Inc. | A method and an apparatus for processing an audio signal |
JP2009300707A (ja) * | 2008-06-13 | 2009-12-24 | Sony Corp | 情報処理装置および方法、並びにプログラム |
MY154452A (en) | 2008-07-11 | 2015-06-15 | Fraunhofer Ges Forschung | An apparatus and a method for decoding an encoded audio signal |
EP2346030B1 (en) | 2008-07-11 | 2014-10-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, method for encoding an audio signal and computer program |
RU2621965C2 (ru) | 2008-07-11 | 2017-06-08 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы |
EP2301026B1 (en) | 2008-07-11 | 2020-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal synthesizer and audio signal encoder |
KR101108955B1 (ko) * | 2008-09-25 | 2012-02-06 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
WO2010036061A2 (en) | 2008-09-25 | 2010-04-01 | Lg Electronics Inc. | An apparatus for processing an audio signal and method thereof |
MY205240A (en) | 2009-01-16 | 2024-10-09 | Dolby Int Ab | Cross product enhanced harmonic transposition |
AU2013201597B2 (en) * | 2009-01-16 | 2015-11-12 | Dolby International Ab | Cross product enhanced harmonic transposition |
EP2239732A1 (en) | 2009-04-09 | 2010-10-13 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Apparatus and method for generating a synthesis audio signal and for encoding an audio signal |
RU2452044C1 (ru) | 2009-04-02 | 2012-05-27 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Устройство, способ и носитель с программным кодом для генерирования представления сигнала с расширенным диапазоном частот на основе представления входного сигнала с использованием сочетания гармонического расширения диапазона частот и негармонического расширения диапазона частот |
CO6440537A2 (es) | 2009-04-09 | 2012-05-15 | Fraunhofer Ges Forschung | Aparato y metodo para generar una señal de audio de sintesis y para codificar una señal de audio |
BR112012009375B1 (pt) | 2009-10-21 | 2020-09-24 | Dolby International Ab. | Sistema configurado para gerar um componente de alta frequência de um sinal de áudio, método para gerar um componente de alta frequência de um sinal de áudio e método para projetar um transpositor de harmônicos |
EP4435779A3 (en) | 2010-01-19 | 2024-10-09 | Dolby International AB | Improved subband block based harmonic transposition |
WO2011127832A1 (en) * | 2010-04-14 | 2011-10-20 | Huawei Technologies Co., Ltd. | Time/frequency two dimension post-processing |
US12002476B2 (en) | 2010-07-19 | 2024-06-04 | Dolby International Ab | Processing of audio signals during high frequency reconstruction |
RU2530254C2 (ru) | 2010-07-19 | 2014-10-10 | Долби Интернешнл Аб | Обработка звуковых сигналов в ходе высокочастотной реконструкции |
KR101572034B1 (ko) | 2011-05-19 | 2015-11-26 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 파라메트릭 오디오 코딩 방식들의 포렌식 검출 |
MY169132A (en) | 2013-06-21 | 2019-02-18 | Fraunhofer Ges Forschung | Method and apparatus for obtaining spectrum coefficients for a replacement frame of an audio signal, audio decoder, audio receiver and system for transmitting audio signals |
EP3067889A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for signal-adaptive transform kernel switching in audio coding |
Family Cites Families (14)
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US4398062A (en) * | 1976-11-11 | 1983-08-09 | Harris Corporation | Apparatus for privacy transmission in system having bandwidth constraint |
JP3432822B2 (ja) * | 1991-06-11 | 2003-08-04 | クゥアルコム・インコーポレイテッド | 可変速度ボコーダ |
US5717824A (en) * | 1992-08-07 | 1998-02-10 | Pacific Communication Sciences, Inc. | Adaptive speech coder having code excited linear predictor with multiple codebook searches |
JPH06177688A (ja) | 1992-10-05 | 1994-06-24 | Mitsubishi Electric Corp | オーディオ信号処理装置 |
US5568588A (en) * | 1994-04-29 | 1996-10-22 | Audiocodes Ltd. | Multi-pulse analysis speech processing System and method |
SE506379C3 (sv) * | 1995-03-22 | 1998-01-19 | Ericsson Telefon Ab L M | Lpc-talkodare med kombinerad excitation |
US5788338A (en) | 1996-07-09 | 1998-08-04 | Westinghouse Air Brake Company | Train brake pipe remote pressure control system and motor-driven regulating valve therefor |
US5842709A (en) * | 1996-10-16 | 1998-12-01 | Kwikee Products Co., Inc. | Retractable, swing down step assembly |
SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
EP0950322B1 (en) | 1997-11-03 | 2005-03-09 | Koninklijke Philips Electronics N.V. | Arrangement comprising insertion means for the identification of an information packet stream carrying encoded digital data by means of additional information |
KR19990085742A (ko) | 1998-05-21 | 1999-12-15 | 김영환 | 디지털 오디오 인코더의 과도부분 검출방법 |
SE9903553D0 (sv) | 1999-01-27 | 1999-10-01 | Lars Liljeryd | Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL) |
JP2003514263A (ja) * | 1999-11-10 | 2003-04-15 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | マッピング・マトリックスを用いた広帯域音声合成 |
US6732070B1 (en) * | 2000-02-16 | 2004-05-04 | Nokia Mobile Phones, Ltd. | Wideband speech codec using a higher sampling rate in analysis and synthesis filtering than in excitation searching |
-
2000
- 2000-12-22 SE SE0004818A patent/SE0004818D0/sv unknown
-
2001
- 2001-12-19 EP EP01272413A patent/EP1338000B1/en not_active Expired - Lifetime
- 2001-12-19 WO PCT/SE2001/002828 patent/WO2002052545A1/en active IP Right Grant
- 2001-12-19 KR KR1020037007893A patent/KR100566630B1/ko not_active IP Right Cessation
- 2001-12-19 CN CNB018210414A patent/CN1223990C/zh not_active Expired - Lifetime
- 2001-12-19 JP JP2002553760A patent/JP3992619B2/ja not_active Expired - Fee Related
- 2001-12-19 AT AT01272413T patent/ATE265731T1/de active
- 2001-12-19 DE DE60103086T patent/DE60103086T2/de not_active Expired - Lifetime
- 2001-12-20 US US10/022,526 patent/US7260520B2/en not_active Expired - Lifetime
-
2003
- 2003-11-27 HK HK03108653A patent/HK1056428A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US7260520B2 (en) | 2007-08-21 |
WO2002052545A1 (en) | 2002-07-04 |
CN1223990C (zh) | 2005-10-19 |
DE60103086D1 (de) | 2004-06-03 |
US20020118845A1 (en) | 2002-08-29 |
CN1481546A (zh) | 2004-03-10 |
EP1338000A1 (en) | 2003-08-27 |
JP2004517358A (ja) | 2004-06-10 |
HK1056428A1 (en) | 2004-02-13 |
DE60103086T2 (de) | 2005-01-20 |
KR20040029314A (ko) | 2004-04-06 |
EP1338000B1 (en) | 2004-04-28 |
ATE265731T1 (de) | 2004-05-15 |
JP3992619B2 (ja) | 2007-10-17 |
KR100566630B1 (ko) | 2006-03-31 |
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