WO2002013572A3 - Method and apparatus for filtering and compressing sound signals - Google Patents
Method and apparatus for filtering and compressing sound signals Download PDFInfo
- Publication number
- WO2002013572A3 WO2002013572A3 PCT/US2001/024917 US0124917W WO0213572A3 WO 2002013572 A3 WO2002013572 A3 WO 2002013572A3 US 0124917 W US0124917 W US 0124917W WO 0213572 A3 WO0213572 A3 WO 0213572A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- speech
- frequency bands
- levels
- sound signals
- intelligibility
- Prior art date
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
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
- H04R25/356—Amplitude, e.g. amplitude shift or compression
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/40—Arrangements for obtaining a desired directivity characteristic
- H04R25/407—Circuits for combining signals of a plurality of transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
- H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001283205A AU2001283205A1 (en) | 2000-08-07 | 2001-08-07 | Method and apparatus for filtering and compressing sound signals |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22356700P | 2000-08-07 | 2000-08-07 | |
US60/223,567 | 2000-08-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002013572A2 WO2002013572A2 (en) | 2002-02-14 |
WO2002013572A3 true WO2002013572A3 (en) | 2003-09-25 |
Family
ID=22837063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/024917 WO2002013572A2 (en) | 2000-08-07 | 2001-08-07 | Method and apparatus for filtering and compressing sound signals |
Country Status (4)
Country | Link |
---|---|
US (1) | US6873709B2 (en) |
CN (1) | CN1470147A (en) |
AU (1) | AU2001283205A1 (en) |
WO (1) | WO2002013572A2 (en) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020075965A1 (en) * | 2000-12-20 | 2002-06-20 | Octiv, Inc. | Digital signal processing techniques for improving audio clarity and intelligibility |
EP1250027A1 (en) * | 2001-04-13 | 2002-10-16 | Widex A/S | Suspression of perceived occlusion |
SE0202159D0 (en) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
US6944474B2 (en) * | 2001-09-20 | 2005-09-13 | Sound Id | Sound enhancement for mobile phones and other products producing personalized audio for users |
EP1423847B1 (en) | 2001-11-29 | 2005-02-02 | Coding Technologies AB | Reconstruction of high frequency components |
DE60310084T2 (en) * | 2002-07-24 | 2007-06-28 | Massachusetts Institute Of Technology, Cambridge | DEVICE AND METHOD FOR THE DISTRIBUTED GAIN CONTROL FOR SPECTRAL IMPROVEMENT |
SE0202770D0 (en) | 2002-09-18 | 2002-09-18 | Coding Technologies Sweden Ab | Method of reduction of aliasing is introduced by spectral envelope adjustment in real-valued filterbanks |
US20070136050A1 (en) * | 2003-07-07 | 2007-06-14 | Koninklijke Philips Electronics N.V. | System and method for audio signal processing |
US6912289B2 (en) * | 2003-10-09 | 2005-06-28 | Unitron Hearing Ltd. | Hearing aid and processes for adaptively processing signals therein |
US7539614B2 (en) * | 2003-11-14 | 2009-05-26 | Nxp B.V. | System and method for audio signal processing using different gain factors for voiced and unvoiced phonemes |
JP4241443B2 (en) * | 2004-03-10 | 2009-03-18 | ソニー株式会社 | Audio signal processing apparatus and audio signal processing method |
AU2005336068B2 (en) * | 2005-09-01 | 2009-12-10 | Widex A/S | Method and apparatus for controlling band split compressors in a hearing aid |
US7729775B1 (en) * | 2006-03-21 | 2010-06-01 | Advanced Bionics, Llc | Spectral contrast enhancement in a cochlear implant speech processor |
US8521314B2 (en) * | 2006-11-01 | 2013-08-27 | Dolby Laboratories Licensing Corporation | Hierarchical control path with constraints for audio dynamics processing |
US9049524B2 (en) * | 2007-03-26 | 2015-06-02 | Cochlear Limited | Noise reduction in auditory prostheses |
US20090076825A1 (en) * | 2007-09-13 | 2009-03-19 | Bionica Corporation | Method of enhancing sound for hearing impaired individuals |
US20090074203A1 (en) * | 2007-09-13 | 2009-03-19 | Bionica Corporation | Method of enhancing sound for hearing impaired individuals |
US20090074216A1 (en) * | 2007-09-13 | 2009-03-19 | Bionica Corporation | Assistive listening system with programmable hearing aid and wireless handheld programmable digital signal processing device |
US20090076636A1 (en) * | 2007-09-13 | 2009-03-19 | Bionica Corporation | Method of enhancing sound for hearing impaired individuals |
US20090074206A1 (en) * | 2007-09-13 | 2009-03-19 | Bionica Corporation | Method of enhancing sound for hearing impaired individuals |
US20090074214A1 (en) * | 2007-09-13 | 2009-03-19 | Bionica Corporation | Assistive listening system with plug in enhancement platform and communication port to download user preferred processing algorithms |
US20090076816A1 (en) * | 2007-09-13 | 2009-03-19 | Bionica Corporation | Assistive listening system with display and selective visual indicators for sound sources |
US20090076804A1 (en) * | 2007-09-13 | 2009-03-19 | Bionica Corporation | Assistive listening system with memory buffer for instant replay and speech to text conversion |
US8005246B2 (en) | 2007-10-23 | 2011-08-23 | Swat/Acr Portfolio Llc | Hearing aid apparatus |
DE102008024490B4 (en) * | 2008-05-21 | 2011-09-22 | Siemens Medical Instruments Pte. Ltd. | Filter bank system for hearing aids |
US8233637B2 (en) * | 2009-01-20 | 2012-07-31 | Nokia Corporation | Multi-membrane microphone for high-amplitude audio capture |
JP2010244602A (en) * | 2009-04-03 | 2010-10-28 | Sony Corp | Signal processing device, method, and program |
EP2487791A1 (en) * | 2009-10-07 | 2012-08-15 | Nec Corporation | Multiband compressor and adjustment method of same |
EP2493071A4 (en) * | 2009-10-20 | 2015-03-04 | Nec Corp | Multiband compressor |
DE102009051200B4 (en) * | 2009-10-29 | 2014-06-18 | Siemens Medical Instruments Pte. Ltd. | Hearing aid and method for feedback suppression with a directional microphone |
US8600076B2 (en) * | 2009-11-09 | 2013-12-03 | Neofidelity, Inc. | Multiband DRC system and method for controlling the same |
ES2392306B1 (en) * | 2010-02-03 | 2013-10-02 | Sergio CÓRDOBA SOLANO | PSYCHOACUSTIC SOUND MANAGEMENT FOR OPTIMIZATION IN AUDIO SYSTEMS OF FIXED AND EVENTUAL FACILITIES. |
JP5872163B2 (en) | 2011-01-07 | 2016-03-01 | オムロン株式会社 | Acoustic transducer and microphone using the acoustic transducer |
US9380380B2 (en) | 2011-01-07 | 2016-06-28 | Stmicroelectronics S.R.L. | Acoustic transducer and interface circuit |
WO2013061252A2 (en) | 2011-10-24 | 2013-05-02 | Cochlear Limited | Post-filter common-gain determination |
EP2675063B1 (en) | 2012-06-13 | 2016-04-06 | Dialog Semiconductor GmbH | Agc circuit with optimized reference signal energy levels for an echo cancelling circuit |
EP2880761B1 (en) * | 2012-08-06 | 2020-10-21 | Father Flanagan's Boys' Home Doing Business as Boy Town National Research Hospital | Multiband audio compression system and method |
WO2015111084A2 (en) | 2014-01-27 | 2015-07-30 | Indian Institute Of Technology Bombay | Dynamic range compression with low distortion for use in hearing aids and audio systems |
US9808623B2 (en) * | 2014-10-07 | 2017-11-07 | Oticon Medical A/S | Hearing system |
CN105280195B (en) | 2015-11-04 | 2018-12-28 | 腾讯科技(深圳)有限公司 | The processing method and processing device of voice signal |
US20180254033A1 (en) * | 2016-11-01 | 2018-09-06 | Davi Audio | Smart Noise Reduction System and Method for Reducing Noise |
US10911013B2 (en) * | 2018-07-05 | 2021-02-02 | Comcast Cable Communications, Llc | Dynamic audio normalization process |
US11234077B2 (en) * | 2019-06-01 | 2022-01-25 | Apple Inc. | User interfaces for managing audio exposure |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4882762A (en) * | 1988-02-23 | 1989-11-21 | Resound Corporation | Multi-band programmable compression system |
WO1994023548A1 (en) * | 1993-04-07 | 1994-10-13 | Central Institute For The Deaf | Adaptive gain and filtering circuit for a sound reproduction system |
US5832444A (en) * | 1996-09-10 | 1998-11-03 | Schmidt; Jon C. | Apparatus for dynamic range compression of an audio signal |
WO1998056210A1 (en) * | 1997-06-06 | 1998-12-10 | Audiologic Hearing Systems, L.P. | Continuous frequency dynamic range audio compressor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5500902A (en) * | 1994-07-08 | 1996-03-19 | Stockham, Jr.; Thomas G. | Hearing aid device incorporating signal processing techniques |
US5550902A (en) * | 1994-08-17 | 1996-08-27 | American Telecare, Inc. | Remote stethoscope signal processing system |
US5832097A (en) * | 1995-09-19 | 1998-11-03 | Gennum Corporation | Multi-channel synchronous companding system |
-
2001
- 2001-08-07 WO PCT/US2001/024917 patent/WO2002013572A2/en active Application Filing
- 2001-08-07 US US09/924,073 patent/US6873709B2/en not_active Expired - Fee Related
- 2001-08-07 CN CNA01813128XA patent/CN1470147A/en active Pending
- 2001-08-07 AU AU2001283205A patent/AU2001283205A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4882762A (en) * | 1988-02-23 | 1989-11-21 | Resound Corporation | Multi-band programmable compression system |
WO1994023548A1 (en) * | 1993-04-07 | 1994-10-13 | Central Institute For The Deaf | Adaptive gain and filtering circuit for a sound reproduction system |
US5832444A (en) * | 1996-09-10 | 1998-11-03 | Schmidt; Jon C. | Apparatus for dynamic range compression of an audio signal |
WO1998056210A1 (en) * | 1997-06-06 | 1998-12-10 | Audiologic Hearing Systems, L.P. | Continuous frequency dynamic range audio compressor |
Also Published As
Publication number | Publication date |
---|---|
US6873709B2 (en) | 2005-03-29 |
CN1470147A (en) | 2004-01-21 |
AU2001283205A1 (en) | 2002-02-18 |
US20020015503A1 (en) | 2002-02-07 |
WO2002013572A2 (en) | 2002-02-14 |
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