WO2002032356A8 - Transient processing for communication system - Google Patents

Transient processing for communication system

Info

Publication number
WO2002032356A8
WO2002032356A8 PCT/US2001/032455 US0132455W WO0232356A8 WO 2002032356 A8 WO2002032356 A8 WO 2002032356A8 US 0132455 W US0132455 W US 0132455W WO 0232356 A8 WO0232356 A8 WO 0232356A8
Authority
WO
WIPO (PCT)
Prior art keywords
audio signal
voice
spoken
automatic gain
signal
Prior art date
Application number
PCT/US2001/032455
Other languages
French (fr)
Other versions
WO2002032356A1 (en
Inventor
Alan M Finn
Philip Lemay
Ronald R Reich
Saligrama R Venkatesh
Original Assignee
Lear 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
Priority to US09/692,268 priority Critical patent/US7039197B1/en
Priority to US69255600A priority
Priority to US09/691869 priority
Priority to US09/692268 priority
Priority to US09/692,531 priority patent/US7171003B1/en
Priority to US09/692,725 priority patent/US7117145B1/en
Priority to US09/692556 priority
Priority to US09/692725 priority
Priority to US09/691928 priority
Priority to US09/692531 priority
Priority to US09/691,928 priority patent/US6674865B1/en
Priority to US09/691,869 priority patent/US6748086B1/en
Application filed by Lear Corp filed Critical Lear Corp
Publication of WO2002032356A1 publication Critical patent/WO2002032356A1/en
Publication of WO2002032356A8 publication Critical patent/WO2002032356A8/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Interconnection arrangements not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for suppressing echoes or otherwise conditioning for one or other direction of traffic
    • H04M9/082Two-way loud-speaking telephone systems with means for suppressing echoes or otherwise conditioning for one or other direction of traffic using echo cancellers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/005Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/02Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/13Acoustic transducers and sound field adaptation in vehicles

Abstract

An automatic gain control for a cabin communication system improves the clarity of voice spoken within a movable interior cabin. The automatic gain control includes a microphone (102) for receiving the spoken voice and the ambient noise and for converting the spoken voice and the ambient noise into a first audio signal, the first audio signal including a first component corresponding to the spoken voice and a second component corresponding to the ambient noise, a parameter estimation processor (802 and 806) for receiving the first audio signal and for determining parameters for deciding whether or not the second component corresponds to an undersirable transient noise, decision logic for deciding (804 and 808), based on the parameters, whether or not the second component corresponds to an undersirable transient signal, a filter (300) for filtering the first audio signal to provide a filteres audio signal, a loudspeaker (104) for outputting a reproduced voice in response to the filtered audio signal with a variable gain at a second location in the cabin, and a control signal generating circuit for generating an automatic gain control signal in response to the decision logic.
PCT/US2001/032455 2000-10-19 2001-10-18 Transient processing for communication system WO2002032356A1 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
US69255600A true 2000-10-19 2000-10-19
US09/691869 2000-10-19
US09/692268 2000-10-19
US09/692,531 US7171003B1 (en) 2000-10-19 2000-10-19 Robust and reliable acoustic echo and noise cancellation system for cabin communication
US09/692,725 US7117145B1 (en) 2000-10-19 2000-10-19 Adaptive filter for speech enhancement in a noisy environment
US09/692556 2000-10-19
US09/692725 2000-10-19
US09/691928 2000-10-19
US09/692531 2000-10-19
US09/691,928 US6674865B1 (en) 2000-10-19 2000-10-19 Automatic volume control for communication system
US09/691,869 US6748086B1 (en) 2000-10-19 2000-10-19 Cabin communication system without acoustic echo cancellation
US09/692,268 US7039197B1 (en) 2000-10-19 2000-10-19 User interface for communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2441302A AU2441302A (en) 2000-10-19 2001-10-18 Transient processing for communication system

Publications (2)

Publication Number Publication Date
WO2002032356A1 WO2002032356A1 (en) 2002-04-25
WO2002032356A8 true WO2002032356A8 (en) 2002-05-23

Family

ID=27560235

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/032455 WO2002032356A1 (en) 2000-10-19 2001-10-18 Transient processing for communication system

Country Status (2)

Country Link
AU (1) AU2441302A (en)
WO (1) WO2002032356A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7853024B2 (en) 1997-08-14 2010-12-14 Silentium Ltd. Active noise control system and method
IL121555A (en) 1997-08-14 2008-07-08 Silentium Ltd Active acoustic noise reduction system
EP1414021B1 (en) * 2002-10-21 2008-05-14 Silentium Ltd. Active acoustic noise reduction system
US7467084B2 (en) * 2003-02-07 2008-12-16 Volkswagen Ag Device and method for operating a voice-enhancement system
DE10354557B4 (en) * 2003-11-21 2007-11-29 Infineon Technologies Ag Methods and apparatus for predicting contained in a reception signal noise as well as a digital receiver
DE602005018023D1 (en) 2005-04-29 2010-01-14 Harman Becker Automotive Sys Cancellation of the echo and the feedback
WO2008090544A2 (en) 2007-01-22 2008-07-31 Silentium Ltd. Quiet fan incorporating active noise control (anc)
US8855330B2 (en) * 2007-08-22 2014-10-07 Dolby Laboratories Licensing Corporation Automated sensor signal matching
FR2948484B1 (en) * 2009-07-23 2011-07-29 Parrot Filtering Method of non-stationary lateral noise for a multi-microphone audio device, such as a telephone device "hands free" for motor vehicle
JP6182524B2 (en) 2011-05-11 2017-08-16 シレンティウム リミテッド Noise control devices, systems, and methods
US9928824B2 (en) 2011-05-11 2018-03-27 Silentium Ltd. Apparatus, system and method of controlling noise within a noise-controlled volume
WO2013187946A2 (en) 2012-06-10 2013-12-19 Nuance Communications, Inc. Wind noise detection for in-car communication systems with multiple acoustic zones
WO2013187932A1 (en) 2012-06-10 2013-12-19 Nuance Communications, Inc. Noise dependent signal processing for in-car communication systems with multiple acoustic zones
US9805738B2 (en) 2012-09-04 2017-10-31 Nuance Communications, Inc. Formant dependent speech signal enhancement
US9613633B2 (en) 2012-10-30 2017-04-04 Nuance Communications, Inc. Speech enhancement
GB201617015D0 (en) 2016-09-08 2016-11-23 Continental Automotive Systems Us Inc In-Car communication howling prevention

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5361305A (en) * 1993-11-12 1994-11-01 Delco Electronics Corporation Automated system and method for automotive audio test
US5872852A (en) * 1995-09-21 1999-02-16 Dougherty; A. Michael Noise estimating system for use with audio reproduction equipment
US5802184A (en) * 1996-08-15 1998-09-01 Lord Corporation Active noise and vibration control system
FR2765610B1 (en) * 1997-07-04 2003-08-15 Kiekert Ag motor vehicle with a locking system to open or lock by means of a remote control

Also Published As

Publication number Publication date
AU2441302A (en) 2002-04-29
WO2002032356A1 (en) 2002-04-25

Similar Documents

Publication Publication Date Title
EP0558312B1 (en) Adaptive noise reduction circuit for a sound reproduction system
US5666426A (en) Automatic volume control to compensate for ambient noise variations
JP3046203B2 (en) Hands-free device
JP4832530B2 (en) Headset to output the ambient sound
JP4226395B2 (en) Audio correction device
FI102337B (en) Method and circuit arrangement for processing an audio signal
EP1742509A1 (en) A system and method for eliminating feedback and noise in a hearing device
US7133529B2 (en) Howling detecting and suppressing apparatus, method and computer program product
US6785381B2 (en) Telephone having improved hands free operation audio quality and method of operation thereof
EP0674415A1 (en) Telephone having a speech band limiting function
US5640450A (en) Speech circuit controlling sidetone signal by background noise level
US6674865B1 (en) Automatic volume control for communication system
CN101903942B (en) Noise cancellation system with gain control based on noise level
US7117145B1 (en) Adaptive filter for speech enhancement in a noisy environment
US7171003B1 (en) Robust and reliable acoustic echo and noise cancellation system for cabin communication
KR100468555B1 (en) Muting a microphone in radiocommunication systems
US20050090295A1 (en) Communication headset with signal processing capability
US4490585A (en) Hearing aid
JP3609557B2 (en) Method of improving the quality and intelligibility of sound reproduced by a telephone apparatus and the telephone device
US20070041589A1 (en) System and method for providing environmental specific noise reduction algorithms
US20020172350A1 (en) Method for generating a final signal from a near-end signal and a far-end signal
DE19830247C2 (en) combined with car stereo speakers built-in mobile phone hands-free
JP2730868B2 (en) Audio system and intelligibility increased METHOD
US20100226505A1 (en) Noise canceling headphone
US6094481A (en) Telephone having automatic gain control means

Legal Events

Date Code Title Description
AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW

AK Designated states

Kind code of ref document: C1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: C1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase in:

Ref country code: JP