[go: up one dir, main page]

BR9610290A - Process to increase speech intelligibility in audio signals apparatus to reduce noise in frames received from digitized audio signals and telecommunications system - Google Patents

Process to increase speech intelligibility in audio signals apparatus to reduce noise in frames received from digitized audio signals and telecommunications system

Info

Publication number
BR9610290A
BR9610290A BR9610290A BR9610290A BR9610290A BR 9610290 A BR9610290 A BR 9610290A BR 9610290 A BR9610290 A BR 9610290A BR 9610290 A BR9610290 A BR 9610290A BR 9610290 A BR9610290 A BR 9610290A
Authority
BR
Brazil
Prior art keywords
audio signals
telecommunications system
reduce noise
frames received
speech intelligibility
Prior art date
Application number
BR9610290A
Other languages
Portuguese (pt)
Inventor
Torbjoern W Soelve
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 BR9610290A publication Critical patent/BR9610290A/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)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
BR9610290A 1995-09-14 1996-09-13 Process to increase speech intelligibility in audio signals apparatus to reduce noise in frames received from digitized audio signals and telecommunications system BR9610290A (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 (1)

Publication Number Publication Date
BR9610290A true BR9610290A (en) 1999-03-16

Family

ID=24103874

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9610290A BR9610290A (en) 1995-09-14 1996-09-13 Process to increase speech intelligibility in audio signals apparatus to reduce noise in frames received from digitized audio signals and telecommunications system

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 (182)

* 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
JP2001508197A (en) * 1997-10-31 2001-06-19 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 Method and apparatus for audio reproduction of speech encoded according to the LPC principle by adding noise to a constituent signal
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 Signal processing device, signal processing method 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
RU2221284C2 (en) * 2002-02-26 2004-01-10 Дочернее государственное унитарное научно-исследовательское предприятие "АРГУС" Coded speech transmission and reception method
IL148592A0 (en) 2002-03-10 2002-09-12 Ycd Multimedia Ltd Dynamic normalizing
CN100477705C (en) * 2002-07-01 2009-04-08 皇家飞利浦电子股份有限公司 Audio enhancement system, system provided with such system, and distortion signal enhancement method
KR100978015B1 (en) * 2002-07-01 2010-08-25 코닌클리케 필립스 일렉트로닉스 엔.브이. Fixed Spectrum Power Dependent Audio Enhancement System
CN1640191B (en) * 2002-07-12 2011-07-20 唯听助听器公司 Hearing aids and ways to improve speech clarity
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
KR20040058855A (en) * 2002-12-27 2004-07-05 엘지전자 주식회사 voice modification device and the method
DE10305369B4 (en) * 2003-02-10 2005-05-19 Siemens Ag User-adaptive method for noise modeling
EP2254349A3 (en) * 2003-03-03 2014-08-13 Phonak AG Method for manufacturing acoustical devices and for reducing wind disturbances
US7127076B2 (en) 2003-03-03 2006-10-24 Phonak Ag Method for manufacturing acoustical devices and for reducing especially wind disturbances
US7499686B2 (en) * 2004-02-24 2009-03-03 Microsoft Corporation Method and apparatus for multi-sensory speech enhancement on a mobile device
PT2200024E (en) 2004-08-30 2013-07-08 Qualcomm Inc PROCESS AND APPARATUS FOR AN ADJUSTABLE JITTER COMPENSATION BUFFER
KR100640865B1 (en) 2004-09-07 2006-11-02 엘지전자 주식회사 Method and device to improve voice quality
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
US8155965B2 (en) * 2005-03-11 2012-04-10 Qualcomm Incorporated Time warping frames inside the vocoder by modifying the residual
US7680656B2 (en) * 2005-06-28 2010-03-16 Microsoft Corporation Multi-sensory speech enhancement using a speech-state model
WO2007015203A1 (en) * 2005-08-02 2007-02-08 Koninklijke Philips Electronics N.V. Enhancement of speech intelligibility in a mobile communication device by controlling the operation of a vibrator in dξpendance of the background noise
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 Noise canceller and method for portable recorder equipment
EP1977510B1 (en) * 2006-01-27 2011-03-23 Dolby International AB Efficient filtering with a complex modulated filterbank
RU2417460C2 (en) * 2006-06-05 2011-04-27 Эксаудио Аб Blind signal extraction
US9318108B2 (en) 2010-01-18 2016-04-19 Apple Inc. Intelligent automated assistant
US20080152167A1 (en) * 2006-12-22 2008-06-26 Step Communications Corporation Near-field vector signal enhancement
KR101414233B1 (en) 2007-01-05 2014-07-02 삼성전자 주식회사 Apparatus and method for improving intelligibility of speech signal
KR100883896B1 (en) * 2007-01-19 2009-02-17 엘지전자 주식회사 Voice Clarity Improvement Device and Method
KR100876794B1 (en) * 2007-04-03 2009-01-09 삼성전자주식회사 Apparatus and method for improving speech intelligibility in a 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
RU2343563C1 (en) * 2007-05-21 2009-01-10 Федеральное государственное унитарное предприятие "ПЕНЗЕНСКИЙ НАУЧНО-ИССЛЕДОВАТЕЛЬСКИЙ ЭЛЕКТРОТЕХНИЧЕСКИЙ ИНСТИТУТ" (ФГУП "ПНИЭИ") Way of transfer and reception of coded voice signals
RU2374763C2 (en) * 2007-08-07 2009-11-27 Государственное образовательное учреждение высшего профессионального образования "Уральский государственный университет путей сообщения" (УрГУПС) Method for transfer of voice signals
US8583426B2 (en) 2007-09-12 2013-11-12 Dolby Laboratories Licensing Corporation Speech enhancement with voice clarity
WO2009082299A1 (en) 2007-12-20 2009-07-02 Telefonaktiebolaget L M Ericsson (Publ) Noise suppression method and apparatus
US20110137646A1 (en) * 2007-12-20 2011-06-09 Telefonaktiebolaget L M Ericsson 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 Human voice speech enhancement device and method applied thereto
US8996376B2 (en) 2008-04-05 2015-03-31 Apple Inc. Intelligent text-to-speech conversion
RU2467406C2 (en) * 2008-04-18 2012-11-20 Долби Лэборетериз Лайсенсинг Корпорейшн Method and apparatus for supporting speech perceptibility in multichannel ambient sound with minimum effect on surround sound system
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
US10241644B2 (en) 2011-06-03 2019-03-26 Apple Inc. Actionable reminder entries
US9858925B2 (en) 2009-06-05 2018-01-02 Apple Inc. Using context information to facilitate processing of commands in a virtual assistant
US10241752B2 (en) 2011-09-30 2019-03-26 Apple Inc. Interface for a virtual digital assistant
US10255566B2 (en) 2011-06-03 2019-04-09 Apple Inc. Generating and processing task 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
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
US10553209B2 (en) 2010-01-18 2020-02-04 Apple Inc. Systems and methods for hands-free notification summaries
DE112011100329T5 (en) 2010-01-25 2012-10-31 Andrew Peter Nelson Jerram Apparatus, methods and systems 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
EP2579254B1 (en) * 2010-05-24 2017-07-12 Nec Corporation 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
MX2012011426A (en) * 2011-09-30 2013-04-01 Apple Inc Using context information to facilitate processing of commands in a virtual assistant.
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
BR112015018905B1 (en) 2013-02-07 2022-02-22 Apple Inc Voice activation feature operation method, computer readable storage media and electronic device
US10652394B2 (en) 2013-03-14 2020-05-12 Apple Inc. System and method for processing voicemail
US9368114B2 (en) 2013-03-14 2016-06-14 Apple Inc. Context-sensitive handling of interruptions
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 Blood oxygen saturation detection method and device
WO2014197334A2 (en) 2013-06-07 2014-12-11 Apple Inc. System and method for user-specified pronunciation of words for speech synthesis and recognition
WO2014197336A1 (en) 2013-06-07 2014-12-11 Apple Inc. System and method for detecting errors in interactions with a voice-based digital assistant
US9582608B2 (en) 2013-06-07 2017-02-28 Apple Inc. Unified ranking with entropy-weighted information for phrase-based semantic auto-completion
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
AU2014278595B2 (en) 2013-06-13 2017-04-06 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
CN105453026A (en) 2013-08-06 2016-03-30 苹果公司 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
US9734193B2 (en) 2014-05-30 2017-08-15 Apple Inc. Determining domain salience ranking from ambiguous words in natural speech
US9842101B2 (en) 2014-05-30 2017-12-12 Apple Inc. Predictive conversion of language input
US9715875B2 (en) 2014-05-30 2017-07-25 Apple Inc. Reducing the need for manual start/end-pointing and trigger phrases
EP3149728B1 (en) 2014-05-30 2019-01-16 Apple Inc. Multi-command single utterance input method
US10078631B2 (en) 2014-05-30 2018-09-18 Apple Inc. Entropy-guided text prediction using combined word and character n-gram language models
US10289433B2 (en) 2014-05-30 2019-05-14 Apple Inc. Domain specific language for encoding assistant dialog
US9760559B2 (en) 2014-05-30 2017-09-12 Apple Inc. Predictive text input
US9430463B2 (en) 2014-05-30 2016-08-30 Apple Inc. Exemplar-based natural language processing
US9633004B2 (en) 2014-05-30 2017-04-25 Apple Inc. Better resolution when referencing to concepts
US10170123B2 (en) 2014-05-30 2019-01-01 Apple Inc. Intelligent assistant for home automation
US9785630B2 (en) 2014-05-30 2017-10-10 Apple Inc. Text prediction using combined word N-gram and unigram language models
US10659851B2 (en) 2014-06-30 2020-05-19 Apple Inc. Real-time digital assistant knowledge updates
US9338493B2 (en) 2014-06-30 2016-05-10 Apple Inc. Intelligent automated assistant for TV user interactions
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
US10074360B2 (en) 2014-09-30 2018-09-11 Apple Inc. Providing an indication of the suitability of speech recognition
US10127911B2 (en) 2014-09-30 2018-11-13 Apple Inc. Speaker identification and unsupervised speaker adaptation techniques
US9668121B2 (en) 2014-09-30 2017-05-30 Apple Inc. Social reminders
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
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
US9886953B2 (en) 2015-03-08 2018-02-06 Apple Inc. Virtual assistant activation
US9721566B2 (en) 2015-03-08 2017-08-01 Apple Inc. Competing devices responding to voice triggers
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
US10366158B2 (en) 2015-09-29 2019-07-30 Apple Inc. Efficient word encoding for recurrent neural network language models
US11010550B2 (en) 2015-09-29 2021-05-18 Apple Inc. Unified language modeling framework for word prediction, auto-completion and auto-correction
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
EP3374990B1 (en) 2015-11-09 2019-09-04 Nextlink IPR AB 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
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
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
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
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
US10586535B2 (en) 2016-06-10 2020-03-10 Apple Inc. Intelligent digital assistant in a multi-tasking environment
DK179343B1 (en) 2016-06-11 2018-05-14 Apple Inc Intelligent task discovery
DK201670540A1 (en) 2016-06-11 2018-01-08 Apple Inc Application integration with a digital assistant
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
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 A kind of 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
CN109643554B (en) * 2018-11-28 2023-07-21 深圳市汇顶科技股份有限公司 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
US11501758B2 (en) 2019-09-27 2022-11-15 Apple Inc. Environment aware voice-assistant devices, and related systems and methods
CN112581935B (en) 2019-09-27 2024-09-06 苹果公司 Context-aware speech assistance devices and related systems and methods
AU2021233699A1 (en) * 2020-03-13 2023-04-27 University Of South Australia A data processing method
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
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
CN114093391B (en) * 2020-07-29 2025-02-25 华为技术有限公司 A method and device for filtering abnormal signals
CN111916106B (en) * 2020-08-17 2021-06-15 牡丹江医学院 A Method to Improve 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, device 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
CN116092526B (en) * 2023-01-10 2025-12-19 浙江大华技术股份有限公司 Signal detection method and device
CN118411998B (en) * 2024-07-02 2024-09-24 杭州知聊信息技术有限公司 Audio noise processing method and system based on big data

Family Cites Families (13)

* 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
RU2010439C1 (en) * 1991-07-04 1994-03-30 Войсковая Часть 25871 Device for transmission of data over vocoder path
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
RU2163032C2 (en) 2001-02-10
DE69613380D1 (en) 2001-07-19
NO981074L (en) 1998-05-13
CN1201547A (en) 1998-12-09
PL185513B1 (en) 2003-05-30
CN1121684C (en) 2003-09-17
NO981074D0 (en) 1998-03-11
AU7078496A (en) 1997-04-01
KR100423029B1 (en) 2004-07-01
EP0852052A1 (en) 1998-07-08
MX9801857A (en) 1998-11-29
PL325532A1 (en) 1998-08-03
JPH11514453A (en) 1999-12-07
AU724111B2 (en) 2000-09-14
CA2231107A1 (en) 1997-03-20
TR199800475T1 (en) 1998-06-22
EP0852052B1 (en) 2001-06-13
EE03456B1 (en) 2001-06-15
KR19990044659A (en) 1999-06-25
WO1997010586A1 (en) 1997-03-20

Similar Documents

Publication Publication Date Title
BR9610290A (en) Process to increase speech intelligibility in audio signals apparatus to reduce noise in frames received from digitized audio signals and telecommunications system
BR9607249A (en) Process and apparatus for noise suppression in a communication system and speech encoder to encode speech in a communication system
HUP9801839A3 (en) Method and apparatus for transmitting a voice sample to a voice activated data processing system
GB2317084B (en) Methods and apparatus for distinguishing speech intervals from noise intervals in audio signals
BR9610469A (en) Process and apparatus for carrying auxiliary data in audio signals
GB9500284D0 (en) Method and system for synthesising speech
GB2300087B (en) Voice processing system and method
EP0870299A4 (en) A communication system and method using a speaker dependent time-scaling technique
BR9607605A (en) Voice and device compression method in a communication system
GB9511568D0 (en) Signal processing apparatus and method
BR9612376A (en) Receiver process to reduce the effect of an impulsive noise on the adaptive filter of a receiver and transmitter receiver system
AU3003800A (en) System and method for characterizing voiced excitations of speech and acoustic signals, removing acoustic noise from speech, and synthesizing speech
ZA949489B (en) Voice enhancement system and method
EP0702351A3 (en) Method and apparatus for analysing audio input events in a speech recognition system
BR9603941A (en) Speech synthesis process and apparatus
PT852888E (en) METHOD AND SYSTEM FOR PROCESSING TELEPHONE CALLS INVOLVING TWO DIGITAL AND WITHOUT FIOSTER SUBSCRIBERS THAT AVOID DOUBLE VOICE CODING
AU642311B2 (en) Method and system for speech recognition without noise interference
BR9507571A (en) Voice processing system and method
DE69616724D1 (en) Method and system for speech recognition
BR9703903A (en) Voice encoding process and apparatus
AU2727697A (en) Method and recognizer for recognizing tonal acoustic sound signals
GB2305831B (en) Noise suppression apparatus and method
SG43430A1 (en) Speech decoding method and apparatus
GB9511855D0 (en) Speech recognition apparatus and methods
DE69524836D1 (en) Video signal processing system and method

Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 11A,12A,13A E 14A ANUIDADE(S).

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B15K Others concerning applications: alteration of classification

Ipc: G10L 21/0208 (2013.01), G10L 21/0232 (2013.0

B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2257 DE 08/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 11A, 12A, 13A E 14A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.