ATE320651T1 - Kodieren eines audiosignals - Google Patents

Kodieren eines audiosignals

Info

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
Application number
AT02722610T
Other languages
English (en)
Inventor
Rakesh Taori
De Par Steven L J D E Van
Original Assignee
Koninkl Philips Electronics Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE320651T1 publication Critical patent/ATE320651T1/de

Links

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)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
AT02722610T 2001-05-08 2002-04-18 Kodieren eines audiosignals ATE320651T1 (de)

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 (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US8010353B2 (en) * 2005-01-14 2011-08-30 Panasonic Corporation Audio switching device and audio switching method that vary a degree of change in mixing ratio of mixing narrow-band speech signal and wide-band speech signal
US9626973B2 (en) * 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
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
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
ES2312142T3 (es) * 2006-04-24 2009-02-16 Nero Ag Aparato avanzado para codificar datos de audio digitales.
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
US20100114581A1 (en) * 2006-10-06 2010-05-06 Te Li Method for encoding, method for decoding, encoder, decoder and computer program products
WO2009004727A1 (ja) 2007-07-04 2009-01-08 Fujitsu Limited 符号化装置、符号化方法および符号化プログラム
PL3591650T3 (pl) * 2007-08-27 2021-07-05 Telefonaktiebolaget Lm Ericsson (Publ) Sposób i urządzenie do wypełniania dziur widmowych
MX2010001394A (es) 2007-08-27 2010-03-10 Ericsson Telefon Ab L M Frecuencia de transicion adaptiva entre llenado de ruido y extension de anchura de banda.
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
AU2009267459B2 (en) 2008-07-11 2014-01-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program
EP2346029B1 (de) 2008-07-11 2013-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Audiokodierung und korrespondierendes Computerprogramm
PL3573056T3 (pl) 2008-07-11 2022-12-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Koder audio i dekoder audio
US8364471B2 (en) 2008-11-04 2013-01-29 Lg Electronics Inc. Apparatus and method for processing a time domain audio signal with a noise filling flag
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
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
WO2012037515A1 (en) 2010-09-17 2012-03-22 Xiph. Org. Methods and systems for adaptive time-frequency resolution in digital data coding
WO2012122297A1 (en) * 2011-03-07 2012-09-13 Xiph. Org. Methods and systems for avoiding partial collapse in multi-block audio coding
US9009036B2 (en) 2011-03-07 2015-04-14 Xiph.org Foundation Methods and systems for bit allocation and partitioning in gain-shape vector quantization for audio coding
WO2012122303A1 (en) 2011-03-07 2012-09-13 Xiph. Org Method and system for two-step spreading for tonal artifact avoidance in audio coding
TWI576829B (zh) 2011-05-13 2017-04-01 三星電子股份有限公司 位元配置裝置
US9264094B2 (en) * 2011-06-09 2016-02-16 Panasonic Intellectual Property Corporation Of America Voice coding device, voice decoding device, voice coding method and voice decoding method
EP3684104B1 (de) * 2011-06-09 2026-01-14 Panasonic Intellectual Property Corporation of America Kommunikationsendgerät und kommunikationsverfahren
JP2013015598A (ja) * 2011-06-30 2013-01-24 Zte Corp オーディオ符号化／復号化方法、システム及びノイズレベルの推定方法
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
CN110706715B (zh) * 2012-03-29 2022-05-24 华为技术有限公司 信号编码和解码的方法和设备
CN103854653B (zh) * 2012-12-06 2016-12-28 华为技术有限公司 信号解码的方法和设备
SG11201505893TA (en) * 2013-01-29 2015-08-28 Fraunhofer Ges Forschung Noise filling concept
CN110634495B (zh) 2013-09-16 2023-07-07 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
KR20150032390A (ko) * 2013-09-16 2015-03-26 삼성전자주식회사 음성 명료도 향상을 위한 음성 신호 처리 장치 및 방법
KR102315920B1 (ko) * 2013-09-16 2021-10-21 삼성전자주식회사 신호 부호화방법 및 장치와 신호 복호화방법 및 장치
WO2015122752A1 (ko) 2014-02-17 2015-08-20 삼성전자 주식회사 신호 부호화방법 및 장치와 신호 복호화방법 및 장치
CN106233112B (zh) * 2014-02-17 2019-06-28 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
KR20170037970A (ko) 2014-07-28 2017-04-05 삼성전자주식회사 신호 부호화방법 및 장치와 신호 복호화방법 및 장치
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
CN114822564B (zh) * 2021-01-21 2025-06-06 华为技术有限公司 音频对象的比特分配方法和装置
CN117476021A (zh) * 2022-07-27 2024-01-30 华为技术有限公司 量化方法、反量化方法及其装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
EP0551705A3 (en) * 1992-01-15 1993-08-18 Ericsson Ge Mobile Communications Inc. Method for subbandcoding using synthetic filler signals for non transmitted subbands
JP3626492B2 (ja) * 1993-07-07 2005-03-09 ポリコム・インコーポレイテッド 会話の品質向上のための背景雑音の低減
US5632003A (en) * 1993-07-16 1997-05-20 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for coding method and apparatus
US5790759A (en) * 1995-09-19 1998-08-04 Lucent Technologies Inc. Perceptual noise masking measure based on synthesis filter frequency response
JPH11504733A (ja) * 1996-02-26 1999-04-27 エイ・ティ・アンド・ティ・コーポレーション 聴覚モデルによる量子化を伴う予測残余信号の変形符号化による多段音声符号器
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
GB9611425D0 (en) * 1996-05-31 1996-08-07 Tracker Network Uk Ltd Digital communications
JP2995037B2 (ja) * 1997-07-04 1999-12-27 三洋電機株式会社 音声符号化復号化装置
US6144937A (en) * 1997-07-23 2000-11-07 Texas Instruments Incorporated Noise suppression of speech by signal processing including applying a transform to time domain input sequences of digital signals representing audio information
US6115689A (en) * 1998-05-27 2000-09-05 Microsoft Corporation Scalable audio coder and decoder
US6240386B1 (en) * 1998-08-24 2001-05-29 Conexant Systems, Inc. Speech codec employing noise classification for noise compensation
US6195633B1 (en) * 1998-09-09 2001-02-27 Sony Corporation System and method for efficiently implementing a masking function in a psycho-acoustic modeler
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
ATE319162T1 (de) * 2001-01-19 2006-03-15 Koninkl Philips Electronics Nv Breitband-signalübertragungssystem

Also Published As

Publication number Publication date
US20030061055A1 (en) 2003-03-27
DE60209888D1 (de) 2006-05-11
ES2260426T3 (es) 2006-11-01
KR100871999B1 (ko) 2008-12-05
KR20030014752A (ko) 2003-02-19
WO2002091363A1 (en) 2002-11-14
CN1462429A (zh) 2003-12-17
EP1395980B1 (de) 2006-03-15
US7483836B2 (en) 2009-01-27
JP2004522198A (ja) 2004-07-22
CN1244904C (zh) 2006-03-08
DE60209888T2 (de) 2006-11-23
EP1395980A1 (de) 2004-03-10

Similar Documents

Publication Publication Date Title
DE60209888D1 (de) Kodieren eines audiosignals
CN113544773B (zh) 用于lc3隐藏的解码器和解码方法
EP1334484B1 (de) Verbessern der leistung von kodierungssystemen, die hochfrequenz-rekonstruktionsverfahren verwenden
ES2403410T3 (es) Frecuencia de transición adaptativa entre el rellenado con ruido y la extensión del ancho de banda
CN104081454B (zh) 用于避免削波假象的设备、方法和计算机程序
US7346514B2 (en) Device and method for embedding a watermark in an audio signal
US20040186735A1 (en) Encoder programmed to add a data payload to a compressed digital audio frame
US20030215013A1 (en) Audio encoder with adaptive short window grouping
JP6356360B2 (ja) 音声通信システム
KR102123770B1 (ko) 하모닉 오디오 신호의 변환 인코딩/디코딩
KR20110066085A (ko) 음향 통신을 위한 장치 및 방법
TWI559294B (zh) 支援轉換長度切換的頻率域音源編碼器、解碼器、編碼方法、解碼方法及電腦程式
CN101548315A (zh) 用于立体声编码的方法、装置和计算机程序产品
TW200706013A (en) Dynamic image encoding device, dynamic image decoding device, dynamic image encoding method, dynamic image decoding method, dynamic image encoding program, and dynamic image decoding program
KR100378796B1 (ko) 디지탈 오디오 부호화기 및 복호화 방법
US20070078646A1 (en) Method and apparatus to encode/decode audio signal
WO2007029304A1 (ja) オーディオ符号化装置及びオーディオ符号化方法
Yung et al. Unequal error protection for wireless transmission of MPEG audio
EP2122832A1 (de) Verfahren und vorrichtung zum codieren/decodieren eines rauschen enthaltenden audiosignals mit niedriger bitrate
JP3692959B2 (ja) 電子透かし情報埋め込み装置
Aoki Lossless steganography techniques for IP telephony speech taking account of the redundancy of folded binary code
WO2003092260A3 (en) Method and apparatus for preserving matrix surround information in encoded audio/video

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties