FI20045315A - Ääniaktiivisuuden havaitseminen äänisignaalissa - Google Patents

Ääniaktiivisuuden havaitseminen äänisignaalissa Download PDF

Info

Publication number
FI20045315A
FI20045315A FI20045315A FI20045315A FI20045315A FI 20045315 A FI20045315 A FI 20045315A FI 20045315 A FI20045315 A FI 20045315A FI 20045315 A FI20045315 A FI 20045315A FI 20045315 A FI20045315 A FI 20045315A
Authority
FI
Finland
Prior art keywords
detection
audio signal
voice activity
voice
activity
Prior art date
Application number
FI20045315A
Other languages
English (en)
Swedish (sv)
Other versions
FI20045315A0 (fi
Inventor
Riitta Niemisto
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
Priority to FI20045315A priority Critical patent/FI20045315A/fi
Publication of FI20045315A0 publication Critical patent/FI20045315A0/fi
Priority to US11/214,454 priority patent/US20060053007A1/en
Priority to CN2005800290060A priority patent/CN101010722B/zh
Priority to EP05775189A priority patent/EP1787285A4/en
Priority to KR1020077004802A priority patent/KR100944252B1/ko
Priority to PCT/FI2005/050302 priority patent/WO2006024697A1/en
Publication of FI20045315A publication Critical patent/FI20045315A/fi

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78Detection of presence or absence of voice signals
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/20Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
FI20045315A 2004-08-30 2004-08-30 Ääniaktiivisuuden havaitseminen äänisignaalissa FI20045315A (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20045315A FI20045315A (fi) 2004-08-30 2004-08-30 Ääniaktiivisuuden havaitseminen äänisignaalissa
US11/214,454 US20060053007A1 (en) 2004-08-30 2005-08-29 Detection of voice activity in an audio signal
CN2005800290060A CN101010722B (zh) 2004-08-30 2005-08-29 用于检测语音信号中话音活动的设备和方法
EP05775189A EP1787285A4 (en) 2004-08-30 2005-08-29 DETECTION OF VOICE ACTIVITY IN AN AUDIO SIGNAL
KR1020077004802A KR100944252B1 (ko) 2004-08-30 2005-08-29 오디오 신호 내에서 음성활동 탐지
PCT/FI2005/050302 WO2006024697A1 (en) 2004-08-30 2005-08-29 Detection of voice activity in an audio signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20045315A FI20045315A (fi) 2004-08-30 2004-08-30 Ääniaktiivisuuden havaitseminen äänisignaalissa

Publications (2)

Publication Number Publication Date
FI20045315A0 FI20045315A0 (fi) 2004-08-30
FI20045315A true FI20045315A (fi) 2006-03-01

Family

ID=32922176

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20045315A FI20045315A (fi) 2004-08-30 2004-08-30 Ääniaktiivisuuden havaitseminen äänisignaalissa

Country Status (6)

Country Link
US (1) US20060053007A1 (fi)
EP (1) EP1787285A4 (fi)
KR (1) KR100944252B1 (fi)
CN (1) CN101010722B (fi)
FI (1) FI20045315A (fi)
WO (1) WO2006024697A1 (fi)

Families Citing this family (119)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8645137B2 (en) 2000-03-16 2014-02-04 Apple Inc. Fast, language-independent method for user authentication by voice
US8677377B2 (en) 2005-09-08 2014-03-18 Apple Inc. Method and apparatus for building an intelligent automated assistant
KR100724736B1 (ko) * 2006-01-26 2007-06-04 삼성전자주식회사 스펙트럴 자기상관치를 이용한 피치 검출 방법 및 피치검출 장치
US9318108B2 (en) 2010-01-18 2016-04-19 Apple Inc. Intelligent automated assistant
CN101548313B (zh) 2006-11-16 2011-07-13 国际商业机器公司 话音活动检测系统和方法
US20080147389A1 (en) * 2006-12-15 2008-06-19 Motorola, Inc. Method and Apparatus for Robust Speech Activity Detection
RU2440627C2 (ru) 2007-02-26 2012-01-20 Долби Лэборетериз Лайсенсинг Корпорейшн Повышение разборчивости речи в звукозаписи развлекательных программ
KR101317813B1 (ko) * 2008-03-31 2013-10-15 (주)트란소노 노이지 음성 신호의 처리 방법과 이를 위한 장치 및 컴퓨터판독 가능한 기록매체
KR101335417B1 (ko) * 2008-03-31 2013-12-05 (주)트란소노 노이지 음성 신호의 처리 방법과 이를 위한 장치 및 컴퓨터판독 가능한 기록매체
US8996376B2 (en) 2008-04-05 2015-03-31 Apple Inc. Intelligent text-to-speech conversion
US8275136B2 (en) * 2008-04-25 2012-09-25 Nokia Corporation Electronic device speech enhancement
WO2009130388A1 (en) * 2008-04-25 2009-10-29 Nokia Corporation Calibrating multiple microphones
US8244528B2 (en) 2008-04-25 2012-08-14 Nokia Corporation Method and apparatus for voice activity determination
US9037474B2 (en) * 2008-09-06 2015-05-19 Huawei Technologies Co., Ltd. Method for classifying audio signal into fast signal or slow signal
KR101581883B1 (ko) * 2009-04-30 2016-01-11 삼성전자주식회사 모션 정보를 이용하는 음성 검출 장치 및 방법
JP5911796B2 (ja) * 2009-04-30 2016-04-27 サムスン エレクトロニクス カンパニー リミテッド マルチモーダル情報を用いるユーザ意図推論装置及び方法
US10241752B2 (en) 2011-09-30 2019-03-26 Apple Inc. Interface for a virtual digital assistant
US10241644B2 (en) 2011-06-03 2019-03-26 Apple Inc. Actionable reminder entries
US9431006B2 (en) 2009-07-02 2016-08-30 Apple Inc. Methods and apparatuses for automatic speech recognition
WO2011049516A1 (en) 2009-10-19 2011-04-28 Telefonaktiebolaget Lm Ericsson (Publ) Detector and method for voice activity detection
US8682667B2 (en) 2010-02-25 2014-03-25 Apple Inc. User profiling for selecting user specific voice input processing information
EP2561508A1 (en) * 2010-04-22 2013-02-27 Qualcomm Incorporated Voice activity detection
US9558755B1 (en) 2010-05-20 2017-01-31 Knowles Electronics, Llc Noise suppression assisted automatic speech recognition
JP2012075039A (ja) * 2010-09-29 2012-04-12 Sony Corp 制御装置、および制御方法
US8898058B2 (en) 2010-10-25 2014-11-25 Qualcomm Incorporated Systems, methods, and apparatus for voice activity detection
WO2012083552A1 (en) * 2010-12-24 2012-06-28 Huawei Technologies Co., Ltd. Method and apparatus for voice activity detection
HUE053127T2 (hu) 2010-12-24 2021-06-28 Huawei Tech Co Ltd Eljárás és berendezés hang aktivitás adaptív detektálására egy bemeneti audiójelben
US8650029B2 (en) * 2011-02-25 2014-02-11 Microsoft Corporation Leveraging speech recognizer feedback for voice activity detection
JP5643686B2 (ja) * 2011-03-11 2014-12-17 株式会社東芝 音声判別装置、音声判別方法および音声判別プログラム
WO2012127278A1 (en) * 2011-03-18 2012-09-27 Nokia Corporation Apparatus for audio signal processing
US9262612B2 (en) 2011-03-21 2016-02-16 Apple Inc. Device access using voice authentication
US8994660B2 (en) 2011-08-29 2015-03-31 Apple Inc. Text correction processing
US9437213B2 (en) * 2012-03-05 2016-09-06 Malaspina Labs (Barbados) Inc. Voice signal enhancement
CN103325386B (zh) 2012-03-23 2016-12-21 杜比实验室特许公司 用于信号传输控制的方法和系统
US9280610B2 (en) 2012-05-14 2016-03-08 Apple Inc. Crowd sourcing information to fulfill user requests
US9721563B2 (en) 2012-06-08 2017-08-01 Apple Inc. Name recognition system
US9547647B2 (en) 2012-09-19 2017-01-17 Apple Inc. Voice-based media searching
US9640194B1 (en) * 2012-10-04 2017-05-02 Knowles Electronics, Llc Noise suppression for speech processing based on machine-learning mask estimation
US10748529B1 (en) * 2013-03-15 2020-08-18 Apple Inc. Voice activated device for use with a voice-based digital assistant
CN103280225B (zh) * 2013-05-24 2015-07-01 广州海格通信集团股份有限公司 一种低复杂度的静音检测方法
US9582608B2 (en) 2013-06-07 2017-02-28 Apple Inc. Unified ranking with entropy-weighted information for phrase-based semantic auto-completion
WO2014197336A1 (en) 2013-06-07 2014-12-11 Apple Inc. System and method for detecting errors in interactions with a voice-based digital assistant
WO2014197334A2 (en) 2013-06-07 2014-12-11 Apple Inc. System and method for user-specified pronunciation of words for speech synthesis and recognition
WO2014197335A1 (en) 2013-06-08 2014-12-11 Apple Inc. Interpreting and acting upon commands that involve sharing information with remote devices
US10176167B2 (en) 2013-06-09 2019-01-08 Apple Inc. System and method for inferring user intent from speech inputs
EP3008641A1 (en) 2013-06-09 2016-04-20 Apple Inc. Device, method, and graphical user interface for enabling conversation persistence across two or more instances of a digital assistant
GB2519379B (en) 2013-10-21 2020-08-26 Nokia Technologies Oy Noise reduction in multi-microphone systems
JP6339896B2 (ja) * 2013-12-27 2018-06-06 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America 雑音抑圧装置および雑音抑圧方法
US9430463B2 (en) 2014-05-30 2016-08-30 Apple Inc. Exemplar-based natural language processing
US9842101B2 (en) 2014-05-30 2017-12-12 Apple Inc. Predictive conversion of language input
US10149047B2 (en) * 2014-06-18 2018-12-04 Cirrus Logic Inc. Multi-aural MMSE analysis techniques for clarifying audio signals
US9338493B2 (en) 2014-06-30 2016-05-10 Apple Inc. Intelligent automated assistant for TV user interactions
CN105336344B (zh) * 2014-07-10 2019-08-20 华为技术有限公司 杂音检测方法和装置
DE112015003945T5 (de) 2014-08-28 2017-05-11 Knowles Electronics, Llc Mehrquellen-Rauschunterdrückung
US9818400B2 (en) 2014-09-11 2017-11-14 Apple Inc. Method and apparatus for discovering trending terms in speech requests
US10789041B2 (en) 2014-09-12 2020-09-29 Apple Inc. Dynamic thresholds for always listening speech trigger
US9646609B2 (en) 2014-09-30 2017-05-09 Apple Inc. Caching apparatus for serving phonetic pronunciations
US9886432B2 (en) 2014-09-30 2018-02-06 Apple Inc. Parsimonious handling of word inflection via categorical stem + suffix N-gram language models
US10127911B2 (en) 2014-09-30 2018-11-13 Apple Inc. Speaker identification and unsupervised speaker adaptation techniques
US10074360B2 (en) 2014-09-30 2018-09-11 Apple Inc. Providing an indication of the suitability of speech recognition
US9668121B2 (en) 2014-09-30 2017-05-30 Apple Inc. Social reminders
CN105810201B (zh) * 2014-12-31 2019-07-02 展讯通信(上海)有限公司 语音活动检测方法及其系统
US9865280B2 (en) 2015-03-06 2018-01-09 Apple Inc. Structured dictation using intelligent automated assistants
US9721566B2 (en) 2015-03-08 2017-08-01 Apple Inc. Competing devices responding to voice triggers
US9886953B2 (en) 2015-03-08 2018-02-06 Apple Inc. Virtual assistant activation
US10567477B2 (en) 2015-03-08 2020-02-18 Apple Inc. Virtual assistant continuity
US9899019B2 (en) 2015-03-18 2018-02-20 Apple Inc. Systems and methods for structured stem and suffix language models
US9842105B2 (en) 2015-04-16 2017-12-12 Apple Inc. Parsimonious continuous-space phrase representations for natural language processing
US10083688B2 (en) 2015-05-27 2018-09-25 Apple Inc. Device voice control for selecting a displayed affordance
US10127220B2 (en) 2015-06-04 2018-11-13 Apple Inc. Language identification from short strings
US9578173B2 (en) 2015-06-05 2017-02-21 Apple Inc. Virtual assistant aided communication with 3rd party service in a communication session
US10101822B2 (en) 2015-06-05 2018-10-16 Apple Inc. Language input correction
US10255907B2 (en) 2015-06-07 2019-04-09 Apple Inc. Automatic accent detection using acoustic models
US10186254B2 (en) 2015-06-07 2019-01-22 Apple Inc. Context-based endpoint detection
US11025565B2 (en) 2015-06-07 2021-06-01 Apple Inc. Personalized prediction of responses for instant messaging
US10671428B2 (en) 2015-09-08 2020-06-02 Apple Inc. Distributed personal assistant
US10747498B2 (en) 2015-09-08 2020-08-18 Apple Inc. Zero latency digital assistant
US10242689B2 (en) * 2015-09-17 2019-03-26 Intel IP Corporation Position-robust multiple microphone noise estimation techniques
US9697820B2 (en) 2015-09-24 2017-07-04 Apple Inc. Unit-selection text-to-speech synthesis using concatenation-sensitive neural networks
US11010550B2 (en) 2015-09-29 2021-05-18 Apple Inc. Unified language modeling framework for word prediction, auto-completion and auto-correction
US10366158B2 (en) 2015-09-29 2019-07-30 Apple Inc. Efficient word encoding for recurrent neural network language models
US11587559B2 (en) 2015-09-30 2023-02-21 Apple Inc. Intelligent device identification
US10691473B2 (en) 2015-11-06 2020-06-23 Apple Inc. Intelligent automated assistant in a messaging environment
US10049668B2 (en) 2015-12-02 2018-08-14 Apple Inc. Applying neural network language models to weighted finite state transducers for automatic speech recognition
US10223066B2 (en) 2015-12-23 2019-03-05 Apple Inc. Proactive assistance based on dialog communication between devices
US10446143B2 (en) 2016-03-14 2019-10-15 Apple Inc. Identification of voice inputs providing credentials
US9934775B2 (en) 2016-05-26 2018-04-03 Apple Inc. Unit-selection text-to-speech synthesis based on predicted concatenation parameters
US9972304B2 (en) 2016-06-03 2018-05-15 Apple Inc. Privacy preserving distributed evaluation framework for embedded personalized systems
US10249300B2 (en) 2016-06-06 2019-04-02 Apple Inc. Intelligent list reading
US10049663B2 (en) 2016-06-08 2018-08-14 Apple, Inc. Intelligent automated assistant for media exploration
DK179309B1 (en) 2016-06-09 2018-04-23 Apple Inc Intelligent automated assistant in a home environment
US10490187B2 (en) 2016-06-10 2019-11-26 Apple Inc. Digital assistant providing automated status report
US10586535B2 (en) 2016-06-10 2020-03-10 Apple Inc. Intelligent digital assistant in a multi-tasking environment
US10067938B2 (en) 2016-06-10 2018-09-04 Apple Inc. Multilingual word prediction
US10509862B2 (en) 2016-06-10 2019-12-17 Apple Inc. Dynamic phrase expansion of language input
US10192552B2 (en) 2016-06-10 2019-01-29 Apple Inc. Digital assistant providing whispered speech
DK201670540A1 (en) 2016-06-11 2018-01-08 Apple Inc Application integration with a digital assistant
DK179049B1 (en) 2016-06-11 2017-09-18 Apple Inc Data driven natural language event detection and classification
DK179343B1 (en) 2016-06-11 2018-05-14 Apple Inc Intelligent task discovery
DK179415B1 (en) 2016-06-11 2018-06-14 Apple Inc Intelligent device arbitration and control
US10043516B2 (en) 2016-09-23 2018-08-07 Apple Inc. Intelligent automated assistant
US10593346B2 (en) 2016-12-22 2020-03-17 Apple Inc. Rank-reduced token representation for automatic speech recognition
DK201770439A1 (en) 2017-05-11 2018-12-13 Apple Inc. Offline personal assistant
DK179745B1 (en) 2017-05-12 2019-05-01 Apple Inc. SYNCHRONIZATION AND TASK DELEGATION OF A DIGITAL ASSISTANT
DK179496B1 (en) 2017-05-12 2019-01-15 Apple Inc. USER-SPECIFIC Acoustic Models
DK201770432A1 (en) 2017-05-15 2018-12-21 Apple Inc. Hierarchical belief states for digital assistants
DK201770431A1 (en) 2017-05-15 2018-12-20 Apple Inc. Optimizing dialogue policy decisions for digital assistants using implicit feedback
DK179560B1 (en) 2017-05-16 2019-02-18 Apple Inc. FAR-FIELD EXTENSION FOR DIGITAL ASSISTANT SERVICES
CN108039182B (zh) * 2017-12-22 2021-10-08 西安烽火电子科技有限责任公司 一种语音激活检测方法
US11341987B2 (en) * 2018-04-19 2022-05-24 Semiconductor Components Industries, Llc Computationally efficient speech classifier and related methods
TWI692970B (zh) * 2018-10-22 2020-05-01 瑞昱半導體股份有限公司 影像處理電路及相關的影像處理方法
TWI736206B (zh) * 2019-05-24 2021-08-11 九齊科技股份有限公司 音頻接收裝置與音頻發送裝置
DE102019133684A1 (de) 2019-12-10 2021-06-10 Sennheiser Electronic Gmbh & Co. Kg Vorrichtung zur Konfiguration einer Drahtlos-Funkverbindung und Verfahren zur Konfiguration einer Drahtlos-Funkverbindung
WO2021156375A1 (en) * 2020-02-04 2021-08-12 Gn Hearing A/S A method of detecting speech and speech detector for low signal-to-noise ratios
CN111755028A (zh) * 2020-07-03 2020-10-09 四川长虹电器股份有限公司 一种基于基音特征的近场遥控器语音端点检测方法及系统
CN115881146A (zh) * 2021-08-05 2023-03-31 哈曼国际工业有限公司 用于动态语音增强的方法及系统
CN113470621B (zh) * 2021-08-23 2023-10-24 杭州网易智企科技有限公司 语音检测方法、装置、介质及电子设备
CN116935900A (zh) * 2022-03-29 2023-10-24 哈曼国际工业有限公司 语音检测方法
CN114566152B (zh) * 2022-04-27 2022-07-08 成都启英泰伦科技有限公司 一种基于深度学习的语音端点检测方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5276765A (en) * 1988-03-11 1994-01-04 British Telecommunications Public Limited Company Voice activity detection
ES2188588T3 (es) * 1988-03-11 2003-07-01 British Telecomm Detector de actividad de voz.
JPH0398038U (fi) * 1990-01-25 1991-10-09
EP0511488A1 (de) * 1991-03-26 1992-11-04 Mathias Bäuerle GmbH Papierfalzmaschine mit einstellbaren Falzwalzen
US5383392A (en) * 1993-03-16 1995-01-24 Ward Holding Company, Inc. Sheet registration control
US5459814A (en) * 1993-03-26 1995-10-17 Hughes Aircraft Company Voice activity detector for speech signals in variable background noise
IN184794B (fi) * 1993-09-14 2000-09-30 British Telecomm
US5657422A (en) * 1994-01-28 1997-08-12 Lucent Technologies Inc. Voice activity detection driven noise remediator
FI100840B (fi) * 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
US6427134B1 (en) * 1996-07-03 2002-07-30 British Telecommunications Public Limited Company Voice activity detector for calculating spectral irregularity measure on the basis of spectral difference measurements
US6023674A (en) * 1998-01-23 2000-02-08 Telefonaktiebolaget L M Ericsson Non-parametric voice activity detection
US6182035B1 (en) * 1998-03-26 2001-01-30 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for detecting voice activity
US6556967B1 (en) * 1999-03-12 2003-04-29 The United States Of America As Represented By The National Security Agency Voice activity detector
JP2000267690A (ja) * 1999-03-19 2000-09-29 Toshiba Corp 音声検知装置及び音声制御システム
FI116643B (fi) * 1999-11-15 2006-01-13 Nokia Corp Kohinan vaimennus
US6647365B1 (en) * 2000-06-02 2003-11-11 Lucent Technologies Inc. Method and apparatus for detecting noise-like signal components
US6611718B2 (en) * 2000-06-19 2003-08-26 Yitzhak Zilberman Hybrid middle ear/cochlea implant system
US20020103636A1 (en) * 2001-01-26 2002-08-01 Tucker Luke A. Frequency-domain post-filtering voice-activity detector
DE10121532A1 (de) * 2001-05-03 2002-11-07 Siemens Ag Verfahren und Vorrichtung zur automatischen Differenzierung und/oder Detektion akustischer Signale
US7698132B2 (en) * 2002-12-17 2010-04-13 Qualcomm Incorporated Sub-sampled excitation waveform codebooks
KR100513175B1 (ko) * 2002-12-24 2005-09-07 한국전자통신연구원 복소수 라플라시안 통계모델을 이용한 음성 검출기 및 음성 검출 방법
JP3963850B2 (ja) * 2003-03-11 2007-08-22 富士通株式会社 音声区間検出装置
US8126706B2 (en) * 2005-12-09 2012-02-28 Acoustic Technologies, Inc. Music detector for echo cancellation and noise reduction

Also Published As

Publication number Publication date
CN101010722B (zh) 2012-04-11
CN101010722A (zh) 2007-08-01
FI20045315A0 (fi) 2004-08-30
KR20070042565A (ko) 2007-04-23
WO2006024697A1 (en) 2006-03-09
EP1787285A1 (en) 2007-05-23
KR100944252B1 (ko) 2010-02-24
EP1787285A4 (en) 2008-12-03
US20060053007A1 (en) 2006-03-09

Similar Documents

Publication Publication Date Title
FI20045315A0 (fi) Ääniaktiivisuuden havaitseminen äänisignaalissa
DE602005024548D1 (de) Audiosignalcodierer und audiosignaldecodierer
FI20045135A0 (fi) Audiosignaalien koodaus
DE602005006217D1 (de) Audiosignalverarbeitungsvorrichtung und -programm
DE602005021391D1 (de) Audiosignal-verarbeitungseinrichtung und audiosignal-verarbeitungsverfahren
DK1538868T3 (da) Audio forstærker-apparatur
FI20041328A0 (fi) Bluetooth-kuulokemikrofoni ja audiojärjestelmään kytkettävissä oleva Bluetooth-laite
DE602004004225D1 (de) Sprachaktivitätsdetektion
NO20050530D0 (no) Fremgangsmate for kombinering av signaler
NO343713B1 (no) Tidsbestemt og romlig bearbeiding av flerkanals lydsignaler
DE602004015409D1 (de) Grundfrequenzbestimmung von Sprachsignalen
DK1745041T3 (da) Quinoxalin-inhibitorer af hedgehog-signaleringsvejen
DE602005026802D1 (de) Audio/musikdecodierungseinrichtung und audio/musikdecodierungsverfahren
NO20051183D0 (no) Lyddempende strukturer
TWI315937B (en) Low noise audio amplifier and the method thereof
FI20021896A0 (fi) Vesitiivis kaiutintoimintoon sovelias akustiikkarakenne
EP1772963A4 (en) AUDIO SIGNAL OUTPUT DEVICE
DE60309092D1 (de) Mikrofonverstärker Vorspannungsschaltung
FR2859864B1 (fr) Haut-parleur et enceinte acoustique correspondante
FR2853471B1 (fr) Circuit amplificateur audio
DE60300374D1 (de) Sprachaktiviertes Musikwiedergabesystem
DE60329248D1 (de) Verarbeitung eines Audiosignals unter Verwendung eines Hörbarkeitsmodells
NO20030455D0 (no) Forbedret radiosignalforsterker
FR2873872B1 (fr) Amplificateur audio classe ad
DK1519624T3 (da) Audioforstærker-anordning med lydstyrke-kontrol

Legal Events

Date Code Title Description
MA Patent expired