ATE320651T1 - Kodieren eines audiosignals - Google Patents
Kodieren eines audiosignalsInfo
- Publication number
- ATE320651T1 ATE320651T1 AT02722610T AT02722610T ATE320651T1 AT E320651 T1 ATE320651 T1 AT E320651T1 AT 02722610 T AT02722610 T AT 02722610T AT 02722610 T AT02722610 T AT 02722610T AT E320651 T1 ATE320651 T1 AT E320651T1
- Authority
- AT
- Austria
- Prior art keywords
- encoded
- signal
- audio
- bandwidth
- question
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 2
- 238000000034 method Methods 0.000 abstract 3
- 238000001228 spectrum Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- 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
- G10L19/0204—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
- G10L19/0208—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
- G10L19/02—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
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- 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
- G10L21/0208—Noise filtering
- G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01201689 | 2001-05-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE320651T1 true ATE320651T1 (de) | 2006-04-15 |
Family
ID=8180274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02722610T ATE320651T1 (de) | 2001-05-08 | 2002-04-18 | Kodieren eines audiosignals |
Country Status (9)
Country | Link |
---|---|
US (1) | US7483836B2 (de) |
EP (1) | EP1395980B1 (de) |
JP (1) | JP2004522198A (de) |
KR (1) | KR100871999B1 (de) |
CN (1) | CN1244904C (de) |
AT (1) | ATE320651T1 (de) |
DE (1) | DE60209888T2 (de) |
ES (1) | ES2260426T3 (de) |
WO (1) | WO2002091363A1 (de) |
Families Citing this family (46)
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CN1288625C (zh) * | 2002-01-30 | 2006-12-06 | 松下电器产业株式会社 | 音频编码与解码设备及其方法 |
US7809579B2 (en) * | 2003-12-19 | 2010-10-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Fidelity-optimized variable frame length encoding |
US7725324B2 (en) * | 2003-12-19 | 2010-05-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Constrained filter encoding of polyphonic signals |
SE527670C2 (sv) * | 2003-12-19 | 2006-05-09 | Ericsson Telefon Ab L M | Naturtrogenhetsoptimerad kodning med variabel ramlängd |
FI119533B (fi) * | 2004-04-15 | 2008-12-15 | Nokia Corp | Audiosignaalien koodaus |
CN102592604A (zh) * | 2005-01-14 | 2012-07-18 | 松下电器产业株式会社 | 可扩展性解码装置及可扩展性解码方法 |
CN101124740B (zh) * | 2005-02-23 | 2012-05-30 | 艾利森电话股份有限公司 | 多声道音频信号编码和解码的方法和装置和音频传送系统 |
US9626973B2 (en) * | 2005-02-23 | 2017-04-18 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive bit allocation for multi-channel audio encoding |
KR100707186B1 (ko) * | 2005-03-24 | 2007-04-13 | 삼성전자주식회사 | 오디오 부호화 및 복호화 장치와 그 방법 및 기록 매체 |
JP2007264154A (ja) | 2006-03-28 | 2007-10-11 | Sony Corp | オーディオ信号符号化方法、オーディオ信号符号化方法のプログラム、オーディオ信号符号化方法のプログラムを記録した記録媒体及びオーディオ信号符号化装置 |
DK1869669T3 (da) * | 2006-04-24 | 2008-12-01 | Nero Ag | Avanceret audiokodningsapparat |
JP2008058667A (ja) * | 2006-08-31 | 2008-03-13 | Sony Corp | 信号処理装置および方法、記録媒体、並びにプログラム |
JP2010506207A (ja) * | 2006-10-06 | 2010-02-25 | エージェンシー フォー サイエンス,テクノロジー アンド リサーチ | エンコード方法、デコード方法、エンコーダ、デコーダ、及びコンピュータプログラム製品 |
JP5071479B2 (ja) | 2007-07-04 | 2012-11-14 | 富士通株式会社 | 符号化装置、符号化方法および符号化プログラム |
EP3401907B1 (de) * | 2007-08-27 | 2019-11-20 | Telefonaktiebolaget LM Ericsson (publ) | Verfahren und vorrichtung zum perzeptiven spektralen dekodieren eines audiosignals inklusive füllung spektraler löcher |
BRPI0815972B1 (pt) * | 2007-08-27 | 2020-02-04 | Ericsson Telefon Ab L M | método para recuperação de espectro em decodificação espectral de um sinal de áudio, método para uso em codificação espectral de um sinal de áudio, decodificador, e, codificador |
JP5262171B2 (ja) | 2008-02-19 | 2013-08-14 | 富士通株式会社 | 符号化装置、符号化方法および符号化プログラム |
EP3296992B1 (de) * | 2008-03-20 | 2021-09-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zur modifizierung einer parameterisierten darstellung |
US9276787B2 (en) | 2008-03-28 | 2016-03-01 | Qualcomm Incorporated | Transmission of signaling messages using beacon signals |
US8995559B2 (en) * | 2008-03-28 | 2015-03-31 | Qualcomm Incorporated | Signaling message transmission in a wireless communication network |
AU2009267543B2 (en) | 2008-07-11 | 2013-01-31 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder and audio decoder |
EP2346030B1 (de) | 2008-07-11 | 2014-10-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Audiokodierung und Computerprogramm |
BRPI0910811B1 (pt) | 2008-07-11 | 2021-09-21 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Codificador de áudio, decodificador de áudio, métodos para codificar e decodificar um sinal de áudio. |
WO2010053287A2 (en) * | 2008-11-04 | 2010-05-14 | Lg Electronics Inc. | An apparatus for processing an audio signal and method thereof |
KR101271430B1 (ko) * | 2009-11-30 | 2013-06-05 | 한국전자통신연구원 | 무선 통신 시스템에서의 수신 신호 검출 방법 및 장치 |
CN102194457B (zh) * | 2010-03-02 | 2013-02-27 | 中兴通讯股份有限公司 | 音频编解码方法、系统及噪声水平估计方法 |
US9236063B2 (en) | 2010-07-30 | 2016-01-12 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for dynamic bit allocation |
US9208792B2 (en) | 2010-08-17 | 2015-12-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for noise injection |
WO2012037515A1 (en) | 2010-09-17 | 2012-03-22 | Xiph. Org. | Methods and systems for adaptive time-frequency resolution in digital data coding |
US9015042B2 (en) * | 2011-03-07 | 2015-04-21 | Xiph.org Foundation | Methods and systems for avoiding partial collapse in multi-block audio coding |
US8838442B2 (en) | 2011-03-07 | 2014-09-16 | Xiph.org Foundation | Method and system for two-step spreading for tonal artifact avoidance in audio coding |
WO2012122299A1 (en) | 2011-03-07 | 2012-09-13 | Xiph. Org. | Bit allocation and partitioning in gain-shape vector quantization for audio coding |
MY186720A (en) | 2011-05-13 | 2021-08-12 | Samsung Electronics Co Ltd | Bit allocating, audio encoding and decoding |
WO2012169133A1 (ja) * | 2011-06-09 | 2012-12-13 | パナソニック株式会社 | 音声符号化装置、音声復号装置、音声符号化方法及び音声復号方法 |
US8731949B2 (en) | 2011-06-30 | 2014-05-20 | Zte Corporation | Method and system for audio encoding and decoding and method for estimating noise level |
JP5416173B2 (ja) * | 2011-07-07 | 2014-02-12 | 中興通訊股▲ふん▼有限公司 | 周波数帯コピー方法、装置及びオーディオ復号化方法、システム |
CN103368682B (zh) | 2012-03-29 | 2016-12-07 | 华为技术有限公司 | 信号编码和解码的方法和设备 |
CN105976824B (zh) | 2012-12-06 | 2021-06-08 | 华为技术有限公司 | 信号解码的方法和设备 |
MX345160B (es) * | 2013-01-29 | 2017-01-18 | Fraunhofer Ges Forschung | Llenado con ruido en la codificacion de audio por transformada perceptual. |
KR20150032390A (ko) * | 2013-09-16 | 2015-03-26 | 삼성전자주식회사 | 음성 명료도 향상을 위한 음성 신호 처리 장치 및 방법 |
PL3046104T3 (pl) | 2013-09-16 | 2020-02-28 | Samsung Electronics Co., Ltd. | Sposób kodowania sygnału oraz sposób dekodowania sygnału |
WO2015037969A1 (ko) * | 2013-09-16 | 2015-03-19 | 삼성전자 주식회사 | 신호 부호화방법 및 장치와 신호 복호화방법 및 장치 |
CN110176241B (zh) * | 2014-02-17 | 2023-10-31 | 三星电子株式会社 | 信号编码方法和设备以及信号解码方法和设备 |
WO2015122752A1 (ko) | 2014-02-17 | 2015-08-20 | 삼성전자 주식회사 | 신호 부호화방법 및 장치와 신호 복호화방법 및 장치 |
CN111968656B (zh) | 2014-07-28 | 2023-11-10 | 三星电子株式会社 | 信号编码方法和装置以及信号解码方法和装置 |
CN105374363B (zh) * | 2014-08-25 | 2019-06-04 | 广东美的集团芜湖制冷设备有限公司 | 音频信号编码方法和系统 |
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DE3639753A1 (de) * | 1986-11-21 | 1988-06-01 | Inst Rundfunktechnik Gmbh | Verfahren zum uebertragen digitalisierter tonsignale |
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FR2747225B1 (fr) * | 1996-04-03 | 1998-04-30 | France Telecom | Systeme de codage et systeme de decodage d'un signal, notamment d'un signal audionumerique |
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US6418404B1 (en) * | 1998-12-28 | 2002-07-09 | Sony Corporation | System and method for effectively implementing fixed masking thresholds in an audio encoder device |
TW477119B (en) * | 1999-01-28 | 2002-02-21 | Winbond Electronics Corp | Byte allocation method and device for speech synthesis |
US6434519B1 (en) * | 1999-07-19 | 2002-08-13 | Qualcomm Incorporated | Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coder |
DE19959038A1 (de) * | 1999-12-08 | 2001-06-28 | Bosch Gmbh Robert | Verfahren zur Dekodierung von digitalen Audiodaten |
US6393338B1 (en) * | 2000-03-17 | 2002-05-21 | Tadeusz Kemnitz | Apparatus and control method for accurate rotary peristaltic pump filling |
US6968564B1 (en) * | 2000-04-06 | 2005-11-22 | Nielsen Media Research, Inc. | Multi-band spectral audio encoding |
US6801886B1 (en) * | 2000-06-22 | 2004-10-05 | Sony Corporation | System and method for enhancing MPEG audio encoder quality |
JP4063670B2 (ja) * | 2001-01-19 | 2008-03-19 | 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 | 広帯域信号伝送システム |
-
2002
- 2002-04-18 ES ES02722610T patent/ES2260426T3/es not_active Expired - Lifetime
- 2002-04-18 EP EP02722610A patent/EP1395980B1/de not_active Expired - Lifetime
- 2002-04-18 AT AT02722610T patent/ATE320651T1/de not_active IP Right Cessation
- 2002-04-18 CN CNB028015584A patent/CN1244904C/zh not_active Expired - Fee Related
- 2002-04-18 JP JP2002588534A patent/JP2004522198A/ja active Pending
- 2002-04-18 KR KR1020037000276A patent/KR100871999B1/ko not_active IP Right Cessation
- 2002-04-18 DE DE60209888T patent/DE60209888T2/de not_active Expired - Fee Related
- 2002-04-18 WO PCT/IB2002/001388 patent/WO2002091363A1/en active IP Right Grant
- 2002-05-06 US US10/139,179 patent/US7483836B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20030061055A1 (en) | 2003-03-27 |
US7483836B2 (en) | 2009-01-27 |
CN1462429A (zh) | 2003-12-17 |
CN1244904C (zh) | 2006-03-08 |
DE60209888T2 (de) | 2006-11-23 |
EP1395980A1 (de) | 2004-03-10 |
DE60209888D1 (de) | 2006-05-11 |
KR100871999B1 (ko) | 2008-12-05 |
ES2260426T3 (es) | 2006-11-01 |
EP1395980B1 (de) | 2006-03-15 |
WO2002091363A1 (en) | 2002-11-14 |
JP2004522198A (ja) | 2004-07-22 |
KR20030014752A (ko) | 2003-02-19 |
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |