WO2001019130A3 - Audio signal processing - Google Patents

Audio signal processing Download PDF

Info

Publication number
WO2001019130A3
WO2001019130A3 PCT/US2000/024585 US0024585W WO0119130A3 WO 2001019130 A3 WO2001019130 A3 WO 2001019130A3 US 0024585 W US0024585 W US 0024585W WO 0119130 A3 WO0119130 A3 WO 0119130A3
Authority
WO
WIPO (PCT)
Prior art keywords
audio signal
signal
signal processing
subaudible
feedback
Prior art date
Application number
PCT/US2000/024585
Other languages
French (fr)
Other versions
WO2001019130A2 (en
Inventor
William S Woods
Original Assignee
Starkey Lab Inc
William S Woods
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 Starkey Lab Inc, William S Woods filed Critical Starkey Lab Inc
Priority to CA002384629A priority Critical patent/CA2384629A1/en
Priority to EP00960006A priority patent/EP1216598B1/en
Priority to AT00960006T priority patent/ATE289152T1/en
Priority to AU71231/00A priority patent/AU7123100A/en
Priority to DE60018084T priority patent/DE60018084T2/en
Publication of WO2001019130A2 publication Critical patent/WO2001019130A2/en
Publication of WO2001019130A3 publication Critical patent/WO2001019130A3/en

Links

Classifications

    • 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
    • H04R3/007—Protection circuits for transducers

Abstract

Systems, devices, and methods are provided to inhibit at least one feedback component of an input audio signal by adjusting a feedback-inhibiting filter through a high signal-to-noise subaudible signal. The level of the signal may be determined using an audibility model so as to yield its subaudible quality.
PCT/US2000/024585 1999-09-10 2000-09-08 Audio signal processing WO2001019130A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA002384629A CA2384629A1 (en) 1999-09-10 2000-09-08 Audio signal processing
EP00960006A EP1216598B1 (en) 1999-09-10 2000-09-08 Audio signal processing
AT00960006T ATE289152T1 (en) 1999-09-10 2000-09-08 AUDIO SIGNAL PROCESSING
AU71231/00A AU7123100A (en) 1999-09-10 2000-09-08 Audio signal processing
DE60018084T DE60018084T2 (en) 1999-09-10 2000-09-08 AUDIO SIGNAL PROCESSING

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39346399A 1999-09-10 1999-09-10
US09/393,463 1999-09-10

Publications (2)

Publication Number Publication Date
WO2001019130A2 WO2001019130A2 (en) 2001-03-15
WO2001019130A3 true WO2001019130A3 (en) 2001-10-18

Family

ID=23554806

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/024585 WO2001019130A2 (en) 1999-09-10 2000-09-08 Audio signal processing

Country Status (8)

Country Link
US (1) US7162044B2 (en)
EP (1) EP1216598B1 (en)
AT (1) ATE289152T1 (en)
AU (1) AU7123100A (en)
CA (1) CA2384629A1 (en)
DE (1) DE60018084T2 (en)
ES (1) ES2235937T3 (en)
WO (1) WO2001019130A2 (en)

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US9208771B2 (en) 2013-03-15 2015-12-08 Cirrus Logic, Inc. Ambient noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices
US10206032B2 (en) 2013-04-10 2019-02-12 Cirrus Logic, Inc. Systems and methods for multi-mode adaptive noise cancellation for audio headsets
US9462376B2 (en) 2013-04-16 2016-10-04 Cirrus Logic, Inc. Systems and methods for hybrid adaptive noise cancellation
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US9578432B1 (en) 2013-04-24 2017-02-21 Cirrus Logic, Inc. Metric and tool to evaluate secondary path design in adaptive noise cancellation systems
US9392364B1 (en) 2013-08-15 2016-07-12 Cirrus Logic, Inc. Virtual microphone for adaptive noise cancellation in personal audio devices
US9666176B2 (en) 2013-09-13 2017-05-30 Cirrus Logic, Inc. Systems and methods for adaptive noise cancellation by adaptively shaping internal white noise to train a secondary path
US9620101B1 (en) 2013-10-08 2017-04-11 Cirrus Logic, Inc. Systems and methods for maintaining playback fidelity in an audio system with adaptive noise cancellation
US10219071B2 (en) 2013-12-10 2019-02-26 Cirrus Logic, Inc. Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation
US10382864B2 (en) 2013-12-10 2019-08-13 Cirrus Logic, Inc. Systems and methods for providing adaptive playback equalization in an audio device
US9704472B2 (en) 2013-12-10 2017-07-11 Cirrus Logic, Inc. Systems and methods for sharing secondary path information between audio channels in an adaptive noise cancellation system
KR102201617B1 (en) * 2014-01-07 2021-01-12 삼성전자 주식회사 Av device and control method thereof
US9369557B2 (en) 2014-03-05 2016-06-14 Cirrus Logic, Inc. Frequency-dependent sidetone calibration
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Also Published As

Publication number Publication date
ES2235937T3 (en) 2005-07-16
EP1216598B1 (en) 2005-02-09
WO2001019130A2 (en) 2001-03-15
US20040120535A1 (en) 2004-06-24
ATE289152T1 (en) 2005-02-15
DE60018084T2 (en) 2005-12-29
AU7123100A (en) 2001-04-10
DE60018084D1 (en) 2005-03-17
CA2384629A1 (en) 2001-03-15
EP1216598A2 (en) 2002-06-26
US7162044B2 (en) 2007-01-09

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