NO981074L - Improving speech information in audio signals - Google Patents

Improving speech information in audio signals

Info

Publication number
NO981074L
NO981074L NO981074A NO981074A NO981074L NO 981074 L NO981074 L NO 981074L NO 981074 A NO981074 A NO 981074A NO 981074 A NO981074 A NO 981074A NO 981074 L NO981074 L NO 981074L
Authority
NO
Norway
Prior art keywords
audio signals
speech information
improving speech
improving
information
Prior art date
Application number
NO981074A
Other languages
Norwegian (no)
Other versions
NO981074D0 (en
Inventor
Torbjaern W Saelve
Original Assignee
Ericsson Ge Mobile Inc
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 Ericsson Ge Mobile Inc filed Critical Ericsson Ge Mobile Inc
Publication of NO981074D0 publication Critical patent/NO981074D0/en
Publication of NO981074L publication Critical patent/NO981074L/en

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
    • 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
    • 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses
    • 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
    • G10L2025/783—Detection of presence or absence of voice signals based on threshold decision
    • G10L2025/786—Adaptive threshold
    • 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (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)
  • Noise Elimination (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
NO981074A 1995-09-14 1998-03-11 Improving speech information in audio signals NO981074L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52800595A 1995-09-14 1995-09-14
PCT/US1996/014665 WO1997010586A1 (en) 1995-09-14 1996-09-13 System for adaptively filtering audio signals to enhance speech intelligibility in noisy environmental conditions

Publications (2)

Publication Number Publication Date
NO981074D0 NO981074D0 (en) 1998-03-11
NO981074L true NO981074L (en) 1998-05-13

Family

ID=24103874

Family Applications (1)

Application Number Title Priority Date Filing Date
NO981074A NO981074L (en) 1995-09-14 1998-03-11 Improving speech information in audio signals

Country Status (15)

Country Link
EP (1) EP0852052B1 (en)
JP (1) JPH11514453A (en)
KR (1) KR100423029B1 (en)
CN (1) CN1121684C (en)
AU (1) AU724111B2 (en)
BR (1) BR9610290A (en)
CA (1) CA2231107A1 (en)
DE (1) DE69613380D1 (en)
EE (1) EE03456B1 (en)
MX (1) MX9801857A (en)
NO (1) NO981074L (en)
PL (1) PL185513B1 (en)
RU (1) RU2163032C2 (en)
TR (1) TR199800475T1 (en)
WO (1) WO1997010586A1 (en)

Families Citing this family (170)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19747885B4 (en) 1997-10-30 2009-04-23 Harman Becker Automotive Systems Gmbh Method for reducing interference of acoustic signals by means of the adaptive filter method of spectral subtraction
KR20000069831A (en) * 1997-10-31 2000-11-25 요트.게.아. 롤페즈 A method and apparatus for audio representation of speech that has been encoded according to the LPC principle, through adding noise to constituent signals therein
KR20000074236A (en) * 1999-05-19 2000-12-15 정몽규 Auto audio volume control means
US8645137B2 (en) 2000-03-16 2014-02-04 Apple Inc. Fast, language-independent method for user authentication by voice
JP2001318694A (en) * 2000-05-10 2001-11-16 Toshiba Corp Device and method for signal processing and recording medium
US6983242B1 (en) * 2000-08-21 2006-01-03 Mindspeed Technologies, Inc. Method for robust classification in speech coding
KR20030010432A (en) * 2001-07-28 2003-02-05 주식회사 엑스텔테크놀러지 Apparatus for speech recognition in noisy environment
IL148592A0 (en) 2002-03-10 2002-09-12 Ycd Multimedia Ltd Dynamic normalizing
KR100978015B1 (en) * 2002-07-01 2010-08-25 코닌클리케 필립스 일렉트로닉스 엔.브이. Stationary spectral power dependent audio enhancement system
US7602926B2 (en) * 2002-07-01 2009-10-13 Koninklijke Philips Electronics N.V. Stationary spectral power dependent audio enhancement system
ATE375072T1 (en) * 2002-07-12 2007-10-15 Widex As HEARING AID AND METHOD FOR INCREASING SPEECH INTELLIGENCE
US7242763B2 (en) 2002-11-26 2007-07-10 Lucent Technologies Inc. Systems and methods for far-end noise reduction and near-end noise compensation in a mixed time-frequency domain compander to improve signal quality in communications systems
DE10305369B4 (en) * 2003-02-10 2005-05-19 Siemens Ag User-adaptive method for noise modeling
US7127076B2 (en) 2003-03-03 2006-10-24 Phonak Ag Method for manufacturing acoustical devices and for reducing especially wind disturbances
EP2254349A3 (en) * 2003-03-03 2014-08-13 Phonak AG Method for manufacturing acoustical devices and for reducing wind disturbances
US8331385B2 (en) 2004-08-30 2012-12-11 Qualcomm Incorporated Method and apparatus for flexible packet selection in a wireless communication system
KR100640865B1 (en) 2004-09-07 2006-11-02 엘지전자 주식회사 method and apparatus for enhancing quality of speech
US8085678B2 (en) 2004-10-13 2011-12-27 Qualcomm Incorporated Media (voice) playback (de-jitter) buffer adjustments based on air interface
US8082156B2 (en) 2005-01-11 2011-12-20 Nec Corporation Audio encoding device, audio encoding method, and audio encoding program for encoding a wide-band audio signal
GB2429139B (en) 2005-08-10 2010-06-16 Zarlink Semiconductor Inc A low complexity noise reduction method
US8677377B2 (en) 2005-09-08 2014-03-18 Apple Inc. Method and apparatus for building an intelligent automated assistant
KR100667852B1 (en) * 2006-01-13 2007-01-11 삼성전자주식회사 Apparatus and method for eliminating noise in portable recorder
RU2402872C2 (en) * 2006-01-27 2010-10-27 Коудинг Текнолоджиз Аб Efficient filtering with complex modulated filterbank
US9318108B2 (en) 2010-01-18 2016-04-19 Apple Inc. Intelligent automated assistant
KR101414233B1 (en) 2007-01-05 2014-07-02 삼성전자 주식회사 Apparatus and method for improving speech intelligibility
KR100883896B1 (en) * 2007-01-19 2009-02-17 엘지전자 주식회사 Speech intelligibility enhancement apparatus and method
KR100876794B1 (en) 2007-04-03 2009-01-09 삼성전자주식회사 Apparatus and method for enhancing intelligibility of speech in mobile terminal
US8977255B2 (en) 2007-04-03 2015-03-10 Apple Inc. Method and system for operating a multi-function portable electronic device using voice-activation
RU2469423C2 (en) * 2007-09-12 2012-12-10 Долби Лэборетериз Лайсенсинг Корпорейшн Speech enhancement with voice clarity
EP2232703B1 (en) 2007-12-20 2014-06-18 Telefonaktiebolaget LM Ericsson (publ) Noise suppression method and apparatus
CN101904098B (en) * 2007-12-20 2014-10-22 艾利森电话股份有限公司 Noise suppression method and apparatus
US9330720B2 (en) 2008-01-03 2016-05-03 Apple Inc. Methods and apparatus for altering audio output signals
CN101221767B (en) * 2008-01-23 2012-05-30 晨星半导体股份有限公司 Voice boosting device and method used on the same
US8996376B2 (en) 2008-04-05 2015-03-31 Apple Inc. Intelligent text-to-speech conversion
MY179314A (en) 2008-04-18 2020-11-04 Dolby Laboratories Licensing Corp Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience
US10496753B2 (en) 2010-01-18 2019-12-03 Apple Inc. Automatically adapting user interfaces for hands-free interaction
US20100030549A1 (en) 2008-07-31 2010-02-04 Lee Michael M Mobile device having human language translation capability with positional feedback
WO2010067118A1 (en) 2008-12-11 2010-06-17 Novauris Technologies Limited Speech recognition involving a mobile device
DE102009011583A1 (en) 2009-03-06 2010-09-09 Krones Ag Method and device for producing and filling thin-walled beverage containers
US9858925B2 (en) 2009-06-05 2018-01-02 Apple Inc. Using context information to facilitate processing of commands in a virtual assistant
US10241644B2 (en) 2011-06-03 2019-03-26 Apple Inc. Actionable reminder entries
US10241752B2 (en) 2011-09-30 2019-03-26 Apple Inc. Interface for a virtual digital assistant
US20120309363A1 (en) 2011-06-03 2012-12-06 Apple Inc. Triggering notifications associated with tasks items that represent tasks to perform
US9431006B2 (en) 2009-07-02 2016-08-30 Apple Inc. Methods and apparatuses for automatic speech recognition
US10679605B2 (en) 2010-01-18 2020-06-09 Apple Inc. Hands-free list-reading by intelligent automated assistant
US10553209B2 (en) 2010-01-18 2020-02-04 Apple Inc. Systems and methods for hands-free notification summaries
US10705794B2 (en) 2010-01-18 2020-07-07 Apple Inc. Automatically adapting user interfaces for hands-free interaction
US10276170B2 (en) 2010-01-18 2019-04-30 Apple Inc. Intelligent automated assistant
DE202011111062U1 (en) 2010-01-25 2019-02-19 Newvaluexchange Ltd. Device and system for a digital conversation management platform
US8682667B2 (en) 2010-02-25 2014-03-25 Apple Inc. User profiling for selecting user specific voice input processing information
CN102202038B (en) * 2010-03-24 2015-05-06 华为技术有限公司 Method and system for realizing voice energy display, conference server and terminal
CN102906813A (en) 2010-05-24 2013-01-30 日本电气株式会社 Signal processing method, information processing device, and signal processing program
CN101859569B (en) * 2010-05-27 2012-08-15 上海朗谷电子科技有限公司 Method for lowering noise of digital audio-frequency signal
US8639516B2 (en) 2010-06-04 2014-01-28 Apple Inc. User-specific noise suppression for voice quality improvements
US10762293B2 (en) 2010-12-22 2020-09-01 Apple Inc. Using parts-of-speech tagging and named entity recognition for spelling correction
CN102128976B (en) * 2011-01-07 2013-05-15 钜泉光电科技(上海)股份有限公司 Energy pulse output method and device of electric energy meter and electric energy meter
US9262612B2 (en) 2011-03-21 2016-02-16 Apple Inc. Device access using voice authentication
US10057736B2 (en) 2011-06-03 2018-08-21 Apple Inc. Active transport based notifications
US8994660B2 (en) 2011-08-29 2015-03-31 Apple Inc. Text correction processing
JP5698203B2 (en) * 2011-09-30 2015-04-08 アップル インコーポレイテッド Using context information to facilitate virtual assistant command processing
US10134385B2 (en) 2012-03-02 2018-11-20 Apple Inc. Systems and methods for name pronunciation
US9483461B2 (en) 2012-03-06 2016-11-01 Apple Inc. Handling speech synthesis of content for multiple languages
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
CN102737646A (en) * 2012-06-21 2012-10-17 佛山市瀚芯电子科技有限公司 Real-time dynamic voice noise reduction method for single microphone
US9495129B2 (en) 2012-06-29 2016-11-15 Apple Inc. Device, method, and user interface for voice-activated navigation and browsing of a document
US9576574B2 (en) 2012-09-10 2017-02-21 Apple Inc. Context-sensitive handling of interruptions by intelligent digital assistant
US9547647B2 (en) 2012-09-19 2017-01-17 Apple Inc. Voice-based media searching
DE212014000045U1 (en) 2013-02-07 2015-09-24 Apple Inc. Voice trigger for a digital assistant
US9368114B2 (en) 2013-03-14 2016-06-14 Apple Inc. Context-sensitive handling of interruptions
US10652394B2 (en) 2013-03-14 2020-05-12 Apple Inc. System and method for processing voicemail
WO2014144579A1 (en) 2013-03-15 2014-09-18 Apple Inc. System and method for updating an adaptive speech recognition model
CN105027197B (en) 2013-03-15 2018-12-14 苹果公司 Training at least partly voice command system
CN104095640A (en) * 2013-04-03 2014-10-15 达尔生技股份有限公司 Oxyhemoglobin saturation detecting method and device
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
AU2014278592B2 (en) 2013-06-09 2017-09-07 Apple Inc. Device, method, and graphical user interface for enabling conversation persistence across two or more instances of a digital assistant
US10176167B2 (en) 2013-06-09 2019-01-08 Apple Inc. System and method for inferring user intent from speech inputs
EP3008964B1 (en) 2013-06-13 2019-09-25 Apple Inc. System and method for emergency calls initiated by voice command
EP2816557B1 (en) * 2013-06-20 2015-11-04 Harman Becker Automotive Systems GmbH Identifying spurious signals in audio signals
US9697831B2 (en) * 2013-06-26 2017-07-04 Cirrus Logic, Inc. Speech recognition
WO2015020942A1 (en) 2013-08-06 2015-02-12 Apple Inc. Auto-activating smart responses based on activities from remote devices
US9620105B2 (en) 2014-05-15 2017-04-11 Apple Inc. Analyzing audio input for efficient speech and music recognition
US10592095B2 (en) 2014-05-23 2020-03-17 Apple Inc. Instantaneous speaking of content on touch devices
US9502031B2 (en) 2014-05-27 2016-11-22 Apple Inc. Method for supporting dynamic grammars in WFST-based ASR
US10289433B2 (en) 2014-05-30 2019-05-14 Apple Inc. Domain specific language for encoding assistant dialog
US9715875B2 (en) 2014-05-30 2017-07-25 Apple Inc. Reducing the need for manual start/end-pointing and trigger phrases
US9734193B2 (en) 2014-05-30 2017-08-15 Apple Inc. Determining domain salience ranking from ambiguous words in natural speech
AU2015266863B2 (en) 2014-05-30 2018-03-15 Apple Inc. Multi-command single utterance input method
US9633004B2 (en) 2014-05-30 2017-04-25 Apple Inc. Better resolution when referencing to concepts
US9430463B2 (en) 2014-05-30 2016-08-30 Apple Inc. Exemplar-based natural language processing
US10078631B2 (en) 2014-05-30 2018-09-18 Apple Inc. Entropy-guided text prediction using combined word and character n-gram language models
US9785630B2 (en) 2014-05-30 2017-10-10 Apple Inc. Text prediction using combined word N-gram and unigram language models
US9760559B2 (en) 2014-05-30 2017-09-12 Apple Inc. Predictive text input
US10170123B2 (en) 2014-05-30 2019-01-01 Apple Inc. Intelligent assistant for home automation
US9842101B2 (en) 2014-05-30 2017-12-12 Apple Inc. Predictive conversion of language input
US9338493B2 (en) 2014-06-30 2016-05-10 Apple Inc. Intelligent automated assistant for TV user interactions
US10659851B2 (en) 2014-06-30 2020-05-19 Apple Inc. Real-time digital assistant knowledge updates
EP2980801A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for estimating noise in an audio signal, noise estimator, audio encoder, audio decoder, and system for transmitting audio signals
US10446141B2 (en) 2014-08-28 2019-10-15 Apple Inc. Automatic speech recognition based on user feedback
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
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
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
US9668121B2 (en) 2014-09-30 2017-05-30 Apple Inc. Social reminders
US10552013B2 (en) 2014-12-02 2020-02-04 Apple Inc. Data detection
US9711141B2 (en) 2014-12-09 2017-07-18 Apple Inc. Disambiguating heteronyms in speech synthesis
RU2589298C1 (en) * 2014-12-29 2016-07-10 Александр Юрьевич Бредихин Method of increasing legible and informative audio signals in the noise situation
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
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
US11025565B2 (en) 2015-06-07 2021-06-01 Apple Inc. Personalized prediction of responses for instant messaging
US10186254B2 (en) 2015-06-07 2019-01-22 Apple Inc. Context-based endpoint detection
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
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
US10726859B2 (en) 2015-11-09 2020-07-28 Invisio Communication A/S Method of and system for noise suppression
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
CN105869650B (en) * 2015-12-28 2020-03-06 乐融致新电子科技(天津)有限公司 Digital audio data playing method and device
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
CN106060717A (en) * 2016-05-26 2016-10-26 广东睿盟计算机科技有限公司 High-definition dynamic noise-reduction pickup
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
US10067938B2 (en) 2016-06-10 2018-09-04 Apple Inc. Multilingual word prediction
US10490187B2 (en) 2016-06-10 2019-11-26 Apple Inc. Digital assistant providing automated status report
US10192552B2 (en) 2016-06-10 2019-01-29 Apple Inc. Digital assistant providing whispered speech
US10586535B2 (en) 2016-06-10 2020-03-10 Apple Inc. Intelligent digital assistant in a multi-tasking environment
US10509862B2 (en) 2016-06-10 2019-12-17 Apple Inc. Dynamic phrase expansion of language input
DK179415B1 (en) 2016-06-11 2018-06-14 Apple Inc Intelligent device arbitration and control
DK179049B1 (en) 2016-06-11 2017-09-18 Apple Inc Data driven natural language event detection and classification
DK201670540A1 (en) 2016-06-11 2018-01-08 Apple Inc Application integration with a digital assistant
DK179343B1 (en) 2016-06-11 2018-05-14 Apple Inc Intelligent task discovery
US9748929B1 (en) * 2016-10-24 2017-08-29 Analog Devices, Inc. Envelope-dependent order-varying filter control
US10593346B2 (en) 2016-12-22 2020-03-17 Apple Inc. Rank-reduced token representation for automatic speech recognition
CN107039044B (en) * 2017-03-08 2020-04-21 Oppo广东移动通信有限公司 Voice signal processing method and mobile terminal
DK179745B1 (en) 2017-05-12 2019-05-01 Apple Inc. SYNCHRONIZATION AND TASK DELEGATION OF A DIGITAL ASSISTANT
DK201770431A1 (en) 2017-05-15 2018-12-20 Apple Inc. Optimizing dialogue policy decisions for digital assistants using implicit feedback
US10157627B1 (en) 2017-06-02 2018-12-18 Bose Corporation Dynamic spectral filtering
WO2019187841A1 (en) * 2018-03-30 2019-10-03 パナソニックＩｐマネジメント株式会社 Noise reduction device
RU2680735C1 (en) * 2018-10-15 2019-02-26 Акционерное общество "Концерн "Созвездие" Method of separation of speech and pauses by analysis of the values of phases of frequency components of noise and signal
WO2020107269A1 (en) * 2018-11-28 2020-06-04 深圳市汇顶科技股份有限公司 Self-adaptive speech enhancement method, and electronic device
US11438452B1 (en) 2019-08-09 2022-09-06 Apple Inc. Propagating context information in a privacy preserving manner
CN112581935B (en) 2019-09-27 2024-09-06 苹果公司 Context-aware speech assistance devices and related systems and methods
US11501758B2 (en) 2019-09-27 2022-11-15 Apple Inc. Environment aware voice-assistant devices, and related systems and methods
CN111370033B (en) * 2020-03-13 2023-09-22 北京字节跳动网络技术有限公司 Keyboard sound processing method and device, terminal equipment and storage medium
WO2021179045A1 (en) * 2020-03-13 2021-09-16 University Of South Australia A data processing method
CN111402916B (en) * 2020-03-24 2023-08-04 青岛罗博智慧教育技术有限公司 Voice enhancement system, method and handwriting board
CN114093391A (en) * 2020-07-29 2022-02-25 华为技术有限公司 Abnormal signal filtering method and device
CN111916106B (en) * 2020-08-17 2021-06-15 牡丹江医学院 Method for improving pronunciation quality in English teaching
CN112927715B (en) * 2021-02-26 2024-06-14 腾讯音乐娱乐科技（深圳）有限公司 Audio processing method, equipment and computer readable storage medium
CN114550740B (en) * 2022-04-26 2022-07-15 天津市北海通信技术有限公司 Voice definition algorithm under noise and train audio playing method and system thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4461025A (en) * 1982-06-22 1984-07-17 Audiological Engineering Corporation Automatic background noise suppressor
US4630305A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
US4811404A (en) * 1987-10-01 1989-03-07 Motorola, Inc. Noise suppression system
DE4012349A1 (en) * 1989-04-19 1990-10-25 Ricoh Kk Noise elimination device for speech recognition system - uses spectral subtraction of sampled noise values from sampled speech values
JP3065739B2 (en) * 1991-10-14 2000-07-17 三菱電機株式会社 Voice section detection device
US5412735A (en) * 1992-02-27 1995-05-02 Central Institute For The Deaf Adaptive noise reduction circuit for a sound reproduction system
JPH05259928A (en) * 1992-03-09 1993-10-08 Oki Electric Ind Co Ltd Method and device for canceling adaptive control noise
US5251263A (en) * 1992-05-22 1993-10-05 Andrea Electronics Corporation Adaptive noise cancellation and speech enhancement system and apparatus therefor
JPH0695693A (en) * 1992-09-09 1994-04-08 Fujitsu Ten Ltd Noise reducing circuit for voice recognition device
JP3270866B2 (en) * 1993-03-23 2002-04-02 ソニー株式会社 Noise removal method and noise removal device
US5485522A (en) * 1993-09-29 1996-01-16 Ericsson Ge Mobile Communications, Inc. System for adaptively reducing noise in speech signals
US5657422A (en) * 1994-01-28 1997-08-12 Lucent Technologies Inc. Voice activity detection driven noise remediator

Also Published As

Publication number Publication date
EE9800068A (en) 1998-08-17
PL325532A1 (en) 1998-08-03
CN1121684C (en) 2003-09-17
KR19990044659A (en) 1999-06-25
TR199800475T1 (en) 1998-06-22
JPH11514453A (en) 1999-12-07
MX9801857A (en) 1998-11-29
CA2231107A1 (en) 1997-03-20
WO1997010586A1 (en) 1997-03-20
AU7078496A (en) 1997-04-01
BR9610290A (en) 1999-03-16
KR100423029B1 (en) 2004-07-01
EP0852052A1 (en) 1998-07-08
PL185513B1 (en) 2003-05-30
CN1201547A (en) 1998-12-09
AU724111B2 (en) 2000-09-14
EP0852052B1 (en) 2001-06-13
NO981074D0 (en) 1998-03-11
RU2163032C2 (en) 2001-02-10
DE69613380D1 (en) 2001-07-19
EE03456B1 (en) 2001-06-15

Similar Documents

Publication Publication Date Title
NO981074L (en) Improving speech information in audio signals
DE69618101D1 (en) Signal recording and playback as well as signal recording media
DE69615667D1 (en) VOICE RECOGNITION
DE69624091D1 (en) AUDIO SIGNAL REPRODUCTION DEVICE
DE69633164D1 (en) tone decoder
EP1087378A4 (en) Voice/music signal encoder and decoder
DE69636272D1 (en) Audio Encoder and Decoder
DE59814406D1 (en) sound reproducing
DE69635973D1 (en) Audio Teilbandkodierverfahren
DE69629170D1 (en) sound recording
DE69635485D1 (en) SOUND PLAYER OR MICROPHONE
DE69616290D1 (en) AUDIO AMPLIFIER
DE59511029D1 (en) sound reproducing
KR960032556U (en) Audio output car audio
KR960038427U (en) Page-detection sound book
KR950005161U (en) Car audio speaker
KR970046213U (en) Car Audio with Recording
KR970003014U (en) Car Audio for Time Information Voice Output
KR970034531U (en) Car audio cabinet
KR970034545U (en) Car Audio Speakers
KR970019484U (en) Car Audio with Announcements
NO952168D0 (en) music Technology
NO951858D0 (en) music Technology
KR970003697U (en) speaker
KR970003689U (en) speaker

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application