ATE330311T1 - Vorrichtung zur erweiterung der bandbreite eines audiosignals - Google Patents

Vorrichtung zur erweiterung der bandbreite eines audiosignals

Info

Publication number
ATE330311T1
ATE330311T1 AT01974612T AT01974612T ATE330311T1 AT E330311 T1 ATE330311 T1 AT E330311T1 AT 01974612 T AT01974612 T AT 01974612T AT 01974612 T AT01974612 T AT 01974612T AT E330311 T1 ATE330311 T1 AT E330311T1
Authority
AT
Austria
Prior art keywords
scaling factor
input signal
signal
speech
characteristic
Prior art date
Application number
AT01974612T
Other languages
English (en)
Inventor
Pasi Ojala
Jani Rotola-Pukkila
Janne Vainio
Hannu Mikkola
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE330311T1 publication Critical patent/ATE330311T1/de

Links

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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
AT01974612T 2000-10-18 2001-10-17 Vorrichtung zur erweiterung der bandbreite eines audiosignals ATE330311T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/691,440 US6615169B1 (en) 2000-10-18 2000-10-18 High frequency enhancement layer coding in wideband speech codec

Publications (1)

Publication Number Publication Date
ATE330311T1 true ATE330311T1 (de) 2006-07-15

Family

ID=24776540

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01974612T ATE330311T1 (de) 2000-10-18 2001-10-17 Vorrichtung zur erweiterung der bandbreite eines audiosignals

Country Status (14)

Country Link
US (1) US6615169B1 (de)
EP (1) EP1328928B1 (de)
JP (1) JP2004512562A (de)
KR (1) KR100547235B1 (de)
CN (1) CN1244907C (de)
AT (1) ATE330311T1 (de)
AU (1) AU2001294125A1 (de)
BR (1) BR0114669A (de)
CA (1) CA2425926C (de)
DE (1) DE60120734T2 (de)
ES (1) ES2265442T3 (de)
PT (1) PT1328928E (de)
WO (1) WO2002033697A2 (de)
ZA (1) ZA200302468B (de)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7113522B2 (en) * 2001-01-24 2006-09-26 Qualcomm, Incorporated Enhanced conversion of wideband signals to narrowband signals
US7522586B2 (en) * 2002-05-22 2009-04-21 Broadcom Corporation Method and system for tunneling wideband telephony through the PSTN
GB2389217A (en) * 2002-05-27 2003-12-03 Canon Kk Speech recognition system
EP2019391B1 (de) * 2002-07-19 2013-01-16 NEC Corporation Audiodecodierungsvorrichtung und -decodierungsverfahren und -programm
DE10252070B4 (de) * 2002-11-08 2010-07-15 Palm, Inc. (n.d.Ges. d. Staates Delaware), Sunnyvale Kommunikationsendgerät mit parametrierter Bandbreitenerweiterung und Verfahren zur Bandbreitenerweiterung dafür
US7406096B2 (en) * 2002-12-06 2008-07-29 Qualcomm Incorporated Tandem-free intersystem voice communication
FR2867649A1 (fr) * 2003-12-10 2005-09-16 France Telecom Procede de codage multiple optimise
KR100587953B1 (ko) 2003-12-26 2006-06-08 한국전자통신연구원 대역-분할 광대역 음성 코덱에서의 고대역 오류 은닉 장치 및 그를 이용한 비트스트림 복호화 시스템
FI118834B (fi) * 2004-02-23 2008-03-31 Nokia Corp Audiosignaalien luokittelu
JP4529492B2 (ja) * 2004-03-11 2010-08-25 株式会社デンソー 音声抽出方法、音声抽出装置、音声認識装置、及び、プログラム
FI119533B (fi) * 2004-04-15 2008-12-15 Nokia Corp Audiosignaalien koodaus
WO2005112001A1 (ja) * 2004-05-19 2005-11-24 Matsushita Electric Industrial Co., Ltd. 符号化装置、復号化装置、およびこれらの方法
KR20070051857A (ko) * 2004-08-17 2007-05-18 코닌클리케 필립스 일렉트로닉스 엔.브이. 스케일러블 오디오 코딩
JP4771674B2 (ja) * 2004-09-02 2011-09-14 パナソニック株式会社 音声符号化装置、音声復号化装置及びこれらの方法
KR20070070189A (ko) * 2004-10-27 2007-07-03 마츠시타 덴끼 산교 가부시키가이샤 음성 부호화 장치 및 음성 부호화 방법
US7386445B2 (en) * 2005-01-18 2008-06-10 Nokia Corporation Compensation of transient effects in transform coding
UA95776C2 (ru) * 2005-04-01 2011-09-12 Квелкомм Инкорпорейтед Система, способ и устройство генерирования возбуждения в диапазоне высоких частот
US8086451B2 (en) * 2005-04-20 2011-12-27 Qnx Software Systems Co. System for improving speech intelligibility through high frequency compression
US7813931B2 (en) * 2005-04-20 2010-10-12 QNX Software Systems, Co. System for improving speech quality and intelligibility with bandwidth compression/expansion
US8249861B2 (en) * 2005-04-20 2012-08-21 Qnx Software Systems Limited High frequency compression integration
US8311840B2 (en) * 2005-06-28 2012-11-13 Qnx Software Systems Limited Frequency extension of harmonic signals
WO2007043643A1 (ja) * 2005-10-14 2007-04-19 Matsushita Electric Industrial Co., Ltd. 音声符号化装置、音声復号装置、音声符号化方法、及び音声復号化方法
US7546237B2 (en) * 2005-12-23 2009-06-09 Qnx Software Systems (Wavemakers), Inc. Bandwidth extension of narrowband speech
WO2008032828A1 (en) * 2006-09-15 2008-03-20 Panasonic Corporation Audio encoding device and audio encoding method
US20100017197A1 (en) * 2006-11-02 2010-01-21 Panasonic Corporation Voice coding device, voice decoding device and their methods
US20100076755A1 (en) * 2006-11-29 2010-03-25 Panasonic Corporation Decoding apparatus and audio decoding method
CN101246688B (zh) * 2007-02-14 2011-01-12 华为技术有限公司 一种对背景噪声信号进行编解码的方法、系统和装置
US7912729B2 (en) 2007-02-23 2011-03-22 Qnx Software Systems Co. High-frequency bandwidth extension in the time domain
RU2440627C2 (ru) 2007-02-26 2012-01-20 Долби Лэборетериз Лайсенсинг Корпорейшн Повышение разборчивости речи в звукозаписи развлекательных программ
US20080208575A1 (en) * 2007-02-27 2008-08-28 Nokia Corporation Split-band encoding and decoding of an audio signal
EP2186090B1 (de) * 2007-08-27 2016-12-21 Telefonaktiebolaget LM Ericsson (publ) Übergangsdetektor und verfahren zur unterstützung der kodierung eines audiosignals
CN101483495B (zh) 2008-03-20 2012-02-15 华为技术有限公司 一种背景噪声生成方法以及噪声处理装置
WO2010003543A1 (en) * 2008-07-11 2010-01-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for calculating bandwidth extension data using a spectral tilt controlling framing
CN101751926B (zh) * 2008-12-10 2012-07-04 华为技术有限公司 信号编码、解码方法及装置、编解码系统
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
US8798290B1 (en) * 2010-04-21 2014-08-05 Audience, Inc. Systems and methods for adaptive signal equalization
CN105261371B (zh) * 2010-07-02 2019-12-03 杜比国际公司 选择性低音后置滤波器
JP5552988B2 (ja) * 2010-09-27 2014-07-16 富士通株式会社 音声帯域拡張装置および音声帯域拡張方法
ES2641315T3 (es) 2011-03-04 2017-11-08 Telefonaktiebolaget Lm Ericsson (Publ) Corrección de ganancia post-cuantificación en codificación de audio
JP5596618B2 (ja) * 2011-05-17 2014-09-24 日本電信電話株式会社 擬似広帯域音声信号生成装置、擬似広帯域音声信号生成方法、及びそのプログラム
CN102800317B (zh) * 2011-05-25 2014-09-17 华为技术有限公司 信号分类方法及设备、编解码方法及设备
CN103187065B (zh) 2011-12-30 2015-12-16 华为技术有限公司 音频数据的处理方法、装置和系统
EP2898506B1 (de) * 2012-09-21 2018-01-17 Dolby Laboratories Licensing Corporation Geschichteter ansatz für räumliche audiocodierung
CN111145767B (zh) 2012-12-21 2023-07-25 弗劳恩霍夫应用研究促进协会 解码器及用于产生和处理编码频比特流的系统
WO2014096279A1 (en) * 2012-12-21 2014-06-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Generation of a comfort noise with high spectro-temporal resolution in discontinuous transmission of audio signals
CN103928029B (zh) * 2013-01-11 2017-02-08 华为技术有限公司 音频信号编码和解码方法、音频信号编码和解码装置
US9336789B2 (en) * 2013-02-21 2016-05-10 Qualcomm Incorporated Systems and methods for determining an interpolation factor set for synthesizing a speech signal
EP2989632A1 (de) * 2013-04-25 2016-03-02 Nokia Solutions and Networks Oy Sprachtranscodierung in paketnetzwerken
US9570093B2 (en) 2013-09-09 2017-02-14 Huawei Technologies Co., Ltd. Unvoiced/voiced decision for speech processing
PL3058568T3 (pl) * 2013-10-18 2021-07-05 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Koncepcja kodowania sygnału audio i dekodowania sygnału audio z wykorzystaniem związanych z mową informacji kształtowania widmowego
ES3042587T3 (en) 2013-10-18 2025-11-21 Fraunhofer Ges Forschung Concept of encoding an audio signal and decoding an audio signal using deterministic and noise like information
EP2980790A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Komfortgeräuscherzeugungs-Modusauswahl
WO2016123560A1 (en) 2015-01-30 2016-08-04 Knowles Electronics, Llc Contextual switching of microphones

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6011360B2 (ja) * 1981-12-15 1985-03-25 ケイディディ株式会社 音声符号化方式
JP2779886B2 (ja) * 1992-10-05 1998-07-23 日本電信電話株式会社 広帯域音声信号復元方法
EP0732687B2 (de) * 1995-03-13 2005-10-12 Matsushita Electric Industrial Co., Ltd. Vorrichtung zur Erweiterung der Sprachbandbreite
EP0764939B1 (de) * 1995-09-19 2002-05-02 AT&T Corp. Synthese von Sprachsignalen in Abwesenheit kodierter Parameter
KR20000047944A (ko) 1998-12-11 2000-07-25 이데이 노부유끼 수신장치 및 방법과 통신장치 및 방법

Also Published As

Publication number Publication date
EP1328928A2 (de) 2003-07-23
AU2001294125A1 (en) 2002-04-29
US6615169B1 (en) 2003-09-02
WO2002033697A3 (en) 2002-07-11
CN1470052A (zh) 2004-01-21
DE60120734T2 (de) 2007-06-14
ZA200302468B (en) 2004-03-29
WO2002033697A2 (en) 2002-04-25
KR20030046510A (ko) 2003-06-12
CN1244907C (zh) 2006-03-08
EP1328928B1 (de) 2006-06-14
KR100547235B1 (ko) 2006-01-26
CA2425926A1 (en) 2002-04-25
PT1328928E (pt) 2006-09-29
JP2004512562A (ja) 2004-04-22
BR0114669A (pt) 2004-02-17
DE60120734D1 (de) 2006-07-27
CA2425926C (en) 2009-01-27
ES2265442T3 (es) 2007-02-16

Similar Documents

Publication Publication Date Title
DE60120734D1 (de) Vorrichtung zur erweiterung der bandbreite eines audiosignals
RU2383943C2 (ru) Кодирование звуковых сигналов
DE60103424D1 (de) Verbessern der leistung von kodierungssystemen, die hochfrequenz-rekonstruktionsverfahren verwenden
KR102509345B1 (ko) 향상된 스펙트럼 확장을 사용하여 양자화 잡음을 감소시키기 위한 압신 장치 및 방법
CA2197128A1 (en) Enhanced Joint Stereo Coding Method Using Temporal Envelope Shaping
SE0004163D0 (sv) Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
SE0400417L (sv) Naturtrogenhetsoptimerad kodning med variabel ramlängd
EP1701340A3 (de) Kodiervorrichtung und Dekodiervorrichtung
KR100519260B1 (ko) 고속 최적화된 무선마이크 장치 및 그 제어방법
CA2426001A1 (en) Method and system for estimating artificial high band signal in speech codec
CN103413553B (zh) 音频编码方法、音频解码方法、编码端、解码端和系统
DK1914728T3 (da) Fremgangsmåde og apparat til dekodning af et signal under anvendelse af spektralbåndreplikation og interpolation af skalafaktorer
EP1259956B1 (de) Verfahren und vorrichtung zur konvertierung eines audiosignals zwischen unterschiedlichen datenkompressionsformaten
AU2001242539A1 (en) Speech decoder and a method for decoding speech
Makhoul et al. Time-scale modification in medium to low rate speech coding
CN101436406A (zh) 音频编解码器
FI110729B (fi) Menetelmä pakatun audiosignaalin purkamiseksi
KR100378796B1 (ko) 디지탈 오디오 부호화기 및 복호화 방법
KR100750115B1 (ko) 오디오 신호 부호화 및 복호화 방법 및 그 장치
CN1918631B (zh) 音频编码设备、方法和音频解码设备、方法
NO982920D0 (no) FremgangsmÕte for koding av et lydsignal som digitaliseres med en lav samplingsfrekvens
Atlas et al. Modulation frequency and efficient audio coding
Jagadeesh et al. Novel Approach of Implementing Psychoacoustic model for MPEG-1 Audio
Jeong et al. Wordlength optimization of an MPEG-2 audio decoder
Jean et al. Near-transparent audio coding at low bit-rate based on minimum noise loudness criterion

Legal Events

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