ATE521064T1 - Verstärkung und spektralformenanpassung bei der verarbeitung von audiosignalen - Google Patents

Verstärkung und spektralformenanpassung bei der verarbeitung von audiosignalen

Info

Publication number
ATE521064T1
ATE521064T1 AT07019652T AT07019652T ATE521064T1 AT E521064 T1 ATE521064 T1 AT E521064T1 AT 07019652 T AT07019652 T AT 07019652T AT 07019652 T AT07019652 T AT 07019652T AT E521064 T1 ATE521064 T1 AT E521064T1
Authority
AT
Austria
Prior art keywords
party
amplification
audio signals
processing audio
audio signal
Prior art date
Application number
AT07019652T
Other languages
English (en)
Inventor
Gerhard Schmidt
Bernd Iser
Original Assignee
Harman Becker Automotive Sys
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 Harman Becker Automotive Sys filed Critical Harman Becker Automotive Sys
Application granted granted Critical
Publication of ATE521064T1 publication Critical patent/ATE521064T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
    • 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
    • G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • H04M1/6075—Portable telephones adapted for handsfree use adapted for handsfree use in a vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AT07019652T 2007-10-08 2007-10-08 Verstärkung und spektralformenanpassung bei der verarbeitung von audiosignalen ATE521064T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07019652A EP2048659B1 (de) 2007-10-08 2007-10-08 Verstärkung und Spektralformenanpassung bei der Verarbeitung von Audiosignalen

Publications (1)

Publication Number Publication Date
ATE521064T1 true ATE521064T1 (de) 2011-09-15

Family

ID=38819754

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07019652T ATE521064T1 (de) 2007-10-08 2007-10-08 Verstärkung und spektralformenanpassung bei der verarbeitung von audiosignalen

Country Status (3)

Country Link
US (1) US8565415B2 (de)
EP (1) EP2048659B1 (de)
AT (1) ATE521064T1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9124769B2 (en) 2008-10-31 2015-09-01 The Nielsen Company (Us), Llc Methods and apparatus to verify presentation of media content
JP5577732B2 (ja) * 2010-02-17 2014-08-27 ソニー株式会社 情報処理装置
US8509450B2 (en) * 2010-08-23 2013-08-13 Cambridge Silicon Radio Limited Dynamic audibility enhancement
US8798278B2 (en) * 2010-09-28 2014-08-05 Bose Corporation Dynamic gain adjustment based on signal to ambient noise level
TR201910075T4 (tr) * 2011-03-04 2019-08-21 Ericsson Telefon Ab L M Nicemleme sonrası kazanım düzeltmeli ses dekoderi.
US8965756B2 (en) * 2011-03-14 2015-02-24 Adobe Systems Incorporated Automatic equalization of coloration in speech recordings
US8804984B2 (en) 2011-04-18 2014-08-12 Microsoft Corporation Spectral shaping for audio mixing
US9537460B2 (en) * 2011-07-22 2017-01-03 Continental Automotive Systems, Inc. Apparatus and method for automatic gain control
KR101828448B1 (ko) * 2012-07-27 2018-03-29 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 확성기-인클로져-마이크로폰 시스템 표현을 제공하기 위한 장치 및 방법
US20150249884A1 (en) * 2012-10-15 2015-09-03 Google Inc. Post-processed reference path for acoustic echo cancellation
GB2509493A (en) 2012-12-21 2014-07-09 Microsoft Corp Suppressing Echo in a received audio signal by estimating the echo power in the received audio signal based on an FIR filter estimate
GB2510331A (en) * 2012-12-21 2014-08-06 Microsoft Corp Echo suppression in an audio signal
GB2512022A (en) 2012-12-21 2014-09-24 Microsoft Corp Echo suppression
US20150019213A1 (en) * 2013-07-15 2015-01-15 Rajeev Conrad Nongpiur Measuring and improving speech intelligibility in an enclosure
US9544702B2 (en) * 2013-07-23 2017-01-10 Mitel Networks Corporation Dynamic characterization of a communication device
CN104681034A (zh) * 2013-11-27 2015-06-03 杜比实验室特许公司 音频信号处理
US9578161B2 (en) 2013-12-13 2017-02-21 Nxp B.V. Method for metadata-based collaborative voice processing for voice communication
US9516414B2 (en) 2014-07-09 2016-12-06 Blackberry Limited Communication device and method for adapting to audio accessories
GB2527865B (en) * 2014-10-30 2016-12-14 Imagination Tech Ltd Controlling operational characteristics of an acoustic echo canceller
GB2525947B (en) * 2014-10-31 2016-06-22 Imagination Tech Ltd Automatic tuning of a gain controller
CN105280195B (zh) * 2015-11-04 2018-12-28 腾讯科技（深圳）有限公司 语音信号的处理方法及装置
CN107197090B (zh) * 2017-05-18 2020-07-14 维沃移动通信有限公司 一种语音信号的接收方法及移动终端
EP4029018B1 (de) * 2019-09-11 2023-07-26 DTS, Inc. Kontextbewusste sprachverständlichkeitsverbesserung
US11804233B2 (en) * 2019-11-15 2023-10-31 Qualcomm Incorporated Linearization of non-linearly transformed signals
CN111210836B (zh) * 2020-03-09 2023-04-25 成都启英泰伦科技有限公司 一种麦克风阵列波束形成动态调整方法
TWI760833B (zh) * 2020-09-01 2022-04-11 瑞昱半導體股份有限公司 用於進行音訊透通的音訊處理方法與相關裝置
JP2024139278A (ja) * 2023-03-27 2024-10-09 株式会社トランストロン 自動利得制御装置、エコー除去装置、自動利得制御方法及び自動利得制御プログラム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4629829A (en) 1984-12-14 1986-12-16 Motorola, Inc. Full duplex speakerphone for radio and landline telephones
US5680450A (en) 1995-02-24 1997-10-21 Ericsson Inc. Apparatus and method for canceling acoustic echoes including non-linear distortions in loudspeaker telephones
US5668794A (en) * 1995-09-29 1997-09-16 Crystal Semiconductor Variable gain echo suppressor
JP3099870B2 (ja) * 1996-07-23 2000-10-16 日本電気株式会社 音響エコーキャンセラ
DE19743192C2 (de) 1997-09-30 1999-09-09 Siemens Ag Echokompensationsverfahren, Echokompensationsvorrichtung und Telekommunikationsgerät
JP2000190785A (ja) * 1998-12-25 2000-07-11 Fujitsu Ten Ltd 車載用音響装置
JP3492315B2 (ja) * 2000-12-15 2004-02-03 沖電気工業株式会社 音量自動調整機能付エコーキャンセラ
DE10141493A1 (de) * 2001-08-24 2003-03-20 Infineon Technologies Ag Mobiltelefon mit adaptiver Lautstärkeneinstellung
US7373367B2 (en) * 2004-04-19 2008-05-13 Chang Gung University Efficient digital filter design tool for approximating an FIR filter with a low-order linear-phase IIR filter
US7536007B2 (en) * 2004-12-30 2009-05-19 Alcatel Lucent Echo cancellation using adaptive IIR and FIR filters
US7426270B2 (en) * 2005-08-10 2008-09-16 Clarity Technologies, Inc. Method and system for clear signal capture

Also Published As

Publication number Publication date
US8565415B2 (en) 2013-10-22
EP2048659B1 (de) 2011-08-17
EP2048659A1 (de) 2009-04-15
US20090225980A1 (en) 2009-09-10

Similar Documents

Publication Publication Date Title
ATE521064T1 (de) Verstärkung und spektralformenanpassung bei der verarbeitung von audiosignalen
WO2007099116A3 (en) Hearing aid and method of compensation for direct sound in hearing aids
EP3968321A3 (de) Mehrkanalige akustische echokompensation
WO2005094157A3 (de) Brillengestell mit integriertem akustischem kommunikationssystem zur kommunikation mit einem mobilfunkgerät und entsprechendes verfahren
DK1627552T3 (da) Höreapparatsystem, et höreapparat og en fremgangsmåde til behandling af lydsignaler
FR2976710B1 (fr) Procede de debruitage pour equipement audio multi-microphones, notamment pour un systeme de telephonie "mains libres"
DK1860915T3 (da) Fremgangsmåde til fremstilling af et lydsignal eller til overføring af energi til en øregang og tilsvarende høreindretning
WO2008045985A3 (en) Microphone microchip device with differential mode noise suppression
DK1992193T3 (da) Høreapparat og fremgangsmåde til at anvende forstærkningsbegrænsning i et høreapparat
DK1398994T3 (da) System og fremgangsmåde til selektiv kobling af høreapparater til elektromagnetiske signaler
ATE284568T1 (de) Eine methode zur verbesserung der hörbarkeit des tons eines lautsprechers, welcher sich in der nähe des ohres befindet
TW200943280A (en) Improving sound quality by intelligently selecting between signals from a plurality of microphones
ATE521154T1 (de) Drahtlose kommunikationsendgeräte und verfahren, die mit hf-kommunikationssignalen synchronisierte akustische entfernungsbestimmung verwenden
DK2165567T3 (da) Fremgangsmåde til feedbackophævelse i et høreapparat og et høreapparat
ATE450983T1 (de) Kompensation des echos und der rückkopplung
WO2011126716A3 (en) Dictation client feedback to facilitate audio quality
ATE484924T1 (de) Zeit-adaptives einstellen einer hörhilfevorrichtung und entsprechendes verfahren
MY162631A (en) Method and system for audio routing in a vehicle mounted communication system
WO2010075035A3 (en) A vehicular microphone system and method for post processing optimization of a microphone signal
WO2010094966A3 (en) A method and system for noise cancellation
WO2010133703A3 (en) Method and system for providing hearing assistance to a user
ATE435572T1 (de) Hörgerät mit störschallunterdrückung und entsprechendes verfahren
ZA200801771B (en) Apparatus and method for removing ambient noise and mobile communication terminal equipped with the apparatus
WO2011130039A3 (en) Signaling systems, preamplifiers, memory devices and methods
ATE532325T1 (de) Anpassung von echolöschung und rauschminderung während der wiedergabe eines klingelsignals

Legal Events

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