WO2009096715A3 - 오디오 신호의 부호화, 복호화 방법 및 장치 - Google Patents
오디오 신호의 부호화, 복호화 방법 및 장치 Download PDFInfo
- Publication number
- WO2009096715A3 WO2009096715A3 PCT/KR2009/000433 KR2009000433W WO2009096715A3 WO 2009096715 A3 WO2009096715 A3 WO 2009096715A3 KR 2009000433 W KR2009000433 W KR 2009000433W WO 2009096715 A3 WO2009096715 A3 WO 2009096715A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coding
- audio signal
- sinusoidal
- decoding
- signals
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
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
-
- 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
- G10L19/04—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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
-
- 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
- G10L19/093—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using sinusoidal excitation models
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)
Abstract
입력 오디오 신호에서 정현파 성분을 제외한 나머지 성분의 신호를 효율적으로 부호화하거나 복호화하는 방법 및 장치가 개시된다. 본 발명에 따른 오디오 신호의 부호화 방법 및 장치는 소정 임계 주파수 이하의 저주파수 신호에 대한 정현파 분석을 수행하여 정현파 신호들을 추출한 다음 입력 오디오 신호에서 정현파 신호를 제외한 나머지 차신호에 대하여 선형 예측 코딩 분석을 이용한 부호화를 수행하는 것을 특징으로 한다.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2008-0009007 | 2008-01-29 | ||
KR1020080009007A KR101413967B1 (ko) | 2008-01-29 | 2008-01-29 | 오디오 신호의 부호화 방법 및 복호화 방법, 및 그에 대한 기록 매체, 오디오 신호의 부호화 장치 및 복호화 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009096715A2 WO2009096715A2 (ko) | 2009-08-06 |
WO2009096715A3 true WO2009096715A3 (ko) | 2009-09-24 |
Family
ID=40900106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2009/000433 WO2009096715A2 (ko) | 2008-01-29 | 2009-01-29 | 오디오 신호의 부호화, 복호화 방법 및 장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20090192789A1 (ko) |
KR (1) | KR101413967B1 (ko) |
WO (1) | WO2009096715A2 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4932917B2 (ja) * | 2009-04-03 | 2012-05-16 | 株式会社エヌ・ティ・ティ・ドコモ | 音声復号装置、音声復号方法、及び音声復号プログラム |
WO2011047887A1 (en) | 2009-10-21 | 2011-04-28 | Dolby International Ab | Oversampling in a combined transposer filter bank |
KR20110018107A (ko) * | 2009-08-17 | 2011-02-23 | 삼성전자주식회사 | 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치 |
US8781844B2 (en) * | 2009-09-25 | 2014-07-15 | Nokia Corporation | Audio coding |
TWI463485B (zh) | 2009-09-29 | 2014-12-01 | Fraunhofer Ges Forschung | 音訊信號解碼器或編碼器、用以提供上混信號表示型態或位元串流表示型態之方法、電腦程式及機器可存取媒體 |
US9536534B2 (en) * | 2011-04-20 | 2017-01-03 | Panasonic Intellectual Property Corporation Of America | Speech/audio encoding apparatus, speech/audio decoding apparatus, and methods thereof |
US8941955B2 (en) * | 2011-06-29 | 2015-01-27 | Hamilton Sundstrand Corporation | Overvoltage prevention in an aircraft electrical power generation system |
CN103581603B (zh) * | 2012-07-24 | 2017-06-27 | 联想(北京)有限公司 | 一种多媒体数据的传输方法及电子设备 |
WO2014174380A2 (en) | 2013-04-22 | 2014-10-30 | Bacula Systems Sa | Creating a universally deduplicatable archive volume |
CN107818789B (zh) * | 2013-07-16 | 2020-11-17 | 华为技术有限公司 | 解码方法和解码装置 |
EP2830064A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection |
CN104517610B (zh) * | 2013-09-26 | 2018-03-06 | 华为技术有限公司 | 频带扩展的方法及装置 |
US9697843B2 (en) * | 2014-04-30 | 2017-07-04 | Qualcomm Incorporated | High band excitation signal generation |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1160770A2 (en) * | 2000-06-02 | 2001-12-05 | Lucent Technologies Inc. | Perceptual coding of audio signals using separated irrelevancy reduction and redundancy reduction |
US20060031075A1 (en) * | 2004-08-04 | 2006-02-09 | Yoon-Hark Oh | Method and apparatus to recover a high frequency component of audio data |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5504833A (en) * | 1991-08-22 | 1996-04-02 | George; E. Bryan | Speech approximation using successive sinusoidal overlap-add models and pitch-scale modifications |
US5455888A (en) * | 1992-12-04 | 1995-10-03 | Northern Telecom Limited | Speech bandwidth extension method and apparatus |
JPH10149199A (ja) * | 1996-11-19 | 1998-06-02 | Sony Corp | 音声符号化方法、音声復号化方法、音声符号化装置、音声復号化装置、電話装置、ピッチ変換方法及び媒体 |
JP3681488B2 (ja) * | 1996-11-19 | 2005-08-10 | 三井・デュポンポリケミカル株式会社 | エチレン共重合体組成物及びそれを用いた易開封性シール材料 |
US5886276A (en) * | 1997-01-16 | 1999-03-23 | The Board Of Trustees Of The Leland Stanford Junior University | System and method for multiresolution scalable audio signal encoding |
US5963897A (en) * | 1998-02-27 | 1999-10-05 | Lernout & Hauspie Speech Products N.V. | Apparatus and method for hybrid excited linear prediction speech encoding |
US7272556B1 (en) * | 1998-09-23 | 2007-09-18 | Lucent Technologies Inc. | Scalable and embedded codec for speech and audio signals |
JP4438127B2 (ja) * | 1999-06-18 | 2010-03-24 | ソニー株式会社 | 音声符号化装置及び方法、音声復号装置及び方法、並びに記録媒体 |
DE60214027T2 (de) * | 2001-11-14 | 2007-02-15 | Matsushita Electric Industrial Co., Ltd., Kadoma | Kodiervorrichtung und dekodiervorrichtung |
ATE331280T1 (de) * | 2001-11-23 | 2006-07-15 | Koninkl Philips Electronics Nv | Bandbreitenvergrösserung für audiosignale |
WO2004049311A1 (en) * | 2002-11-27 | 2004-06-10 | Koninklijke Philips Electronics N.V. | Sinusoidal audio coding |
EP1576583A2 (en) * | 2002-12-19 | 2005-09-21 | Koninklijke Philips Electronics N.V. | Sinusoid selection in audio encoding |
RU2244386C2 (ru) * | 2003-03-28 | 2005-01-10 | Корпорация "Самсунг Электроникс" | Способ восстановления высокочастотной составляющей аудиосигнала и устройство для его реализации |
US20070106505A1 (en) * | 2003-12-01 | 2007-05-10 | Koninkijkle Phillips Electronics N.V. | Audio coding |
KR100587953B1 (ko) * | 2003-12-26 | 2006-06-08 | 한국전자통신연구원 | 대역-분할 광대역 음성 코덱에서의 고대역 오류 은닉 장치 및 그를 이용한 비트스트림 복호화 시스템 |
WO2005122146A1 (en) | 2004-06-08 | 2005-12-22 | Koninklijke Philips Electronics N.V. | Audio encoding |
US20060015329A1 (en) * | 2004-07-19 | 2006-01-19 | Chu Wai C | Apparatus and method for audio coding |
EP1815462A1 (en) | 2004-11-09 | 2007-08-08 | Koninklijke Philips Electronics N.V. | Audio coding and decoding |
CA2603246C (en) * | 2005-04-01 | 2012-07-17 | Qualcomm Incorporated | Systems, methods, and apparatus for anti-sparseness filtering |
SI1875463T1 (sl) * | 2005-04-22 | 2019-02-28 | Qualcomm Incorporated | Sistemi, postopki in naprava za glajenje faktorja ojačenja |
US7953605B2 (en) * | 2005-10-07 | 2011-05-31 | Deepen Sinha | Method and apparatus for audio encoding and decoding using wideband psychoacoustic modeling and bandwidth extension |
-
2008
- 2008-01-29 KR KR1020080009007A patent/KR101413967B1/ko not_active IP Right Cessation
-
2009
- 2009-01-29 US US12/362,060 patent/US20090192789A1/en not_active Abandoned
- 2009-01-29 WO PCT/KR2009/000433 patent/WO2009096715A2/ko active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1160770A2 (en) * | 2000-06-02 | 2001-12-05 | Lucent Technologies Inc. | Perceptual coding of audio signals using separated irrelevancy reduction and redundancy reduction |
US20060031075A1 (en) * | 2004-08-04 | 2006-02-09 | Yoon-Hark Oh | Method and apparatus to recover a high frequency component of audio data |
Non-Patent Citations (1)
Title |
---|
FEK M. ET AL.: "Joint speech and audio coding combining sinusoidal modeling and wavelet packets", EUROSPEECH 2001, SCANDINAVIA, 2001, SCANDINAVIA, XP007004852 * |
Also Published As
Publication number | Publication date |
---|---|
US20090192789A1 (en) | 2009-07-30 |
KR20090083068A (ko) | 2009-08-03 |
KR101413967B1 (ko) | 2014-07-01 |
WO2009096715A2 (ko) | 2009-08-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2009096715A3 (ko) | 오디오 신호의 부호화, 복호화 방법 및 장치 | |
TW200746052A (en) | Apparatus and method for encoding and decoding signal | |
BRPI0802613A2 (pt) | métodos e aparelhos para codificação e decodificação de sinais de áudio baseados em objeto | |
TW200738040A (en) | Method and apparatus for processing a audio signal | |
WO2011059254A3 (en) | An apparatus for processing a signal and method thereof | |
MY175978A (en) | Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection | |
CA2645911A1 (en) | Method for encoding and decoding object-based audio signal and apparatus thereof | |
MX354288B (es) | Aparato y método para codificación/decodificación para extensión de ancho de banda de alta frecuencia. | |
EP4283616A3 (en) | Computer program product for encoding a signal | |
WO2010053287A3 (en) | An apparatus for processing an audio signal and method thereof | |
WO2009096713A3 (ko) | 적응적 lpc 계수 보간을 이용한 오디오 신호의 부호화, 복호화 방법 및 장치 | |
WO2010008185A3 (en) | Method and apparatus to encode and decode an audio/speech signal | |
SE0400998D0 (sv) | Method for representing multi-channel audio signals | |
MY185176A (en) | Audio encoder, audio decoder, method for providing an encoded audio information, method for providing a decoded audio information, computer program and encoded representation using a signal-adaptive bandwidth extension | |
WO2010090427A3 (ko) | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 | |
WO2011013982A3 (en) | A method and an apparatus for processing an audio signal | |
WO2012134246A3 (ko) | 엔트로피 디코딩 방법 및 이를 이용하는 디코딩 장치 | |
WO2011139099A3 (ko) | 비디오 신호의 처리 방법 및 장치 | |
WO2013087861A3 (en) | Apparatus, method and computer programm for avoiding clipping artefacts | |
WO2011103153A3 (en) | Method and apparatus to facilitate an early decoding of signals in relay backhaul links | |
WO2011027004A3 (en) | Method for operating a hearing device and a hearing device | |
MX354394B (es) | Factor de escala optimizado para la extension de la banda de frecuencias en un decodificador de señales de audiofrecuencia. | |
DE502007001153D1 (de) | Verfahren zum Unterdrücken von Rückkopplungen und zur Spektralerweiterung bei Hörvorrichtungen | |
EP4231296A3 (en) | Very short pitch detection and coding | |
EP2450881A4 (en) | DEVICE FOR CODING AND DECODING AN AUDIO SIGNAL USING A WEIGHTED LINEAR PROGNOSIS TRANSFORM AND METHOD THEREFOR |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 09705526 Country of ref document: EP Kind code of ref document: A2 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 09705526 Country of ref document: EP Kind code of ref document: A2 |