IN2014CN03794A - - Google Patents

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Publication number
IN2014CN03794A
IN2014CN03794A IN3794CHN2014A IN2014CN03794A IN 2014CN03794 A IN2014CN03794 A IN 2014CN03794A IN 3794CHN2014 A IN3794CHN2014 A IN 3794CHN2014A IN 2014CN03794 A IN2014CN03794 A IN 2014CN03794A
Authority
IN
India
Prior art keywords
microphones
speakers
distance
relative location
echo cancellation
Prior art date
Application number
Other languages
English (en)
Inventor
Erik Visser
Michael Joseph Contour
Eric S Mattis
Joseph Robert Fitzgerald
Kwokleung Chan
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IN2014CN03794A publication Critical patent/IN2014CN03794A/en

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/20—Arrangements for preventing acoustic feed-back
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
IN3794CHN2014 2011-12-16 2012-11-01 IN2014CN03794A (cs)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161576842P 2011-12-16 2011-12-16
US201261616853P 2012-03-28 2012-03-28
US13/664,615 US9232071B2 (en) 2011-12-16 2012-10-31 Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in a mobile device
PCT/US2012/063037 WO2013089930A1 (en) 2011-12-16 2012-11-01 Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and microphone(s) in a mobile device

Publications (1)

Publication Number Publication Date
IN2014CN03794A true IN2014CN03794A (cs) 2015-10-16

Family

ID=48610154

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3794CHN2014 IN2014CN03794A (cs) 2011-12-16 2012-11-01

Country Status (6)

Country Link
US (1) US9232071B2 (cs)
EP (1) EP2792163A1 (cs)
JP (1) JP6141317B2 (cs)
CN (1) CN103999478B (cs)
IN (1) IN2014CN03794A (cs)
WO (1) WO2013089930A1 (cs)

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Also Published As

Publication number Publication date
JP2015507400A (ja) 2015-03-05
EP2792163A1 (en) 2014-10-22
US9232071B2 (en) 2016-01-05
CN103999478A (zh) 2014-08-20
JP6141317B2 (ja) 2017-06-07
US20130156209A1 (en) 2013-06-20
CN103999478B (zh) 2017-03-22
WO2013089930A1 (en) 2013-06-20

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