FI895949A0 - Foerbaettrat programmerbart flerbandskompressionssystem. - Google Patents

Foerbaettrat programmerbart flerbandskompressionssystem.

Info

Publication number
FI895949A0
FI895949A0 FI895949A FI895949A FI895949A0 FI 895949 A0 FI895949 A0 FI 895949A0 FI 895949 A FI895949 A FI 895949A FI 895949 A FI895949 A FI 895949A FI 895949 A0 FI895949 A0 FI 895949A0
Authority
FI
Finland
Prior art keywords
compressors
compressor
frequency bands
band
compression ratio
Prior art date
Application number
FI895949A
Other languages
English (en)
Inventor
Fred Donald Waldhauer
Original Assignee
Resound 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
Application filed by Resound Corp filed Critical Resound Corp
Publication of FI895949A0 publication Critical patent/FI895949A0/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion 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
    • 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
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/03—Synergistic effects of band splitting and sub-band processing
    • 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
    • H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing
FI895949A 1988-02-23 1989-12-13 Foerbaettrat programmerbart flerbandskompressionssystem. FI895949A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/160,023 US4882762A (en) 1988-02-23 1988-02-23 Multi-band programmable compression system
PCT/US1989/000738 WO1989008353A1 (en) 1988-02-23 1989-02-23 Improved multi-band programmable compression system

Publications (1)

Publication Number Publication Date
FI895949A0 true FI895949A0 (fi) 1989-12-13

Family

ID=22575160

Family Applications (1)

Application Number Title Priority Date Filing Date
FI895949A FI895949A0 (fi) 1988-02-23 1989-12-13 Foerbaettrat programmerbart flerbandskompressionssystem.

Country Status (9)

Country Link
US (1) US4882762A (fi)
EP (1) EP0354955B1 (fi)
AT (1) ATE137369T1 (fi)
AU (1) AU611273B2 (fi)
CA (1) CA1295044C (fi)
DE (1) DE68926324T2 (fi)
DK (1) DK127991A (fi)
FI (1) FI895949A0 (fi)
WO (1) WO1989008353A1 (fi)

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US6778966B2 (en) * 1999-11-29 2004-08-17 Syfx Segmented mapping converter system and method
US7190292B2 (en) * 1999-11-29 2007-03-13 Bizjak Karl M Input level adjust system and method
US6445233B1 (en) 1999-12-30 2002-09-03 The Engineering Consortium, Inc. Multiple time constant rectifier apparatus and method
US6405164B1 (en) 1999-12-30 2002-06-11 Engineering Consortium, Inc. Audio compression circuit and method
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CN1470147A (zh) * 2000-08-07 2004-01-21 �µ��ǿƼ��ɷ��������޹�˾ 声音信号过滤和压缩的方法与装置
US6870830B1 (en) 2000-11-30 2005-03-22 3Com Corporation System and method for performing messaging services using a data communications channel in a data network telephone system
US7489790B2 (en) * 2000-12-05 2009-02-10 Ami Semiconductor, Inc. Digital automatic gain control
EP1251714B2 (en) 2001-04-12 2015-06-03 Sound Design Technologies Ltd. Digital hearing aid system
US6633202B2 (en) 2001-04-12 2003-10-14 Gennum Corporation Precision low jitter oscillator circuit
JP4447220B2 (ja) * 2001-04-13 2010-04-07 ヴェーデクス・アクティーセルスカプ 知覚される閉塞を抑えるための補聴器の調整方法
EP1250027A1 (en) * 2001-04-13 2002-10-16 Widex A/S Suspression of perceived occlusion
DE60223869D1 (de) * 2001-04-18 2008-01-17 Gennum Corp Digitaler Quasi-Mittelwertdetektor
DK1251715T4 (da) * 2001-04-18 2011-01-10 Sound Design Technologies Ltd Flerkanalshøreapparat med kommunikation mellem kanalerne
US20020191800A1 (en) * 2001-04-19 2002-12-19 Armstrong Stephen W. In-situ transducer modeling in a digital hearing instrument
US6593802B2 (en) * 2001-08-14 2003-07-15 Stmicroelectronics, Inc. On-chip automatic tuning technique
ATE526792T1 (de) * 2001-08-15 2011-10-15 Sound Design Technologies Ltd Rekonfigurierbare hörhilfevorrichtung mit niedrigem leistungsverbrauch
US7650004B2 (en) * 2001-11-15 2010-01-19 Starkey Laboratories, Inc. Hearing aids and methods and apparatus for audio fitting thereof
US7369669B2 (en) * 2002-05-15 2008-05-06 Micro Ear Technology, Inc. Diotic presentation of second-order gradient directional hearing aid signals
US6829363B2 (en) * 2002-05-16 2004-12-07 Starkey Laboratories, Inc. Hearing aid with time-varying performance
US20040022404A1 (en) * 2002-07-30 2004-02-05 Ryuichi Negishi Sound processing apparatus and hearing aid
US8284970B2 (en) 2002-09-16 2012-10-09 Starkey Laboratories Inc. Switching structures for hearing aid
US7369671B2 (en) 2002-09-16 2008-05-06 Starkey, Laboratories, Inc. Switching structures for hearing aid
GB0227698D0 (en) * 2002-11-28 2003-01-08 Computionics Ltd An audio distribution system
JP2005175674A (ja) * 2003-12-09 2005-06-30 Nec Corp 信号圧縮伸張装置および携帯通信端末装置
US20060147060A1 (en) * 2004-12-30 2006-07-06 Plantronics, Inc. A Delaware Corporation Multifunction preamplifier microphone
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US9774961B2 (en) 2005-06-05 2017-09-26 Starkey Laboratories, Inc. Hearing assistance device ear-to-ear communication using an intermediate device
JP4517974B2 (ja) * 2005-08-05 2010-08-04 株式会社日立製作所 半導体装置
JP4960360B2 (ja) * 2005-08-23 2012-06-27 ヴェーデクス・アクティーセルスカプ 拡大音響帯域幅を持つ補聴器
JP4886783B2 (ja) * 2005-09-01 2012-02-29 ヴェーデクス・アクティーセルスカプ 補聴器の帯域分割コンプレッサを制御する方法および装置
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US20080069385A1 (en) * 2006-09-18 2008-03-20 Revitronix Amplifier and Method of Amplification
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Also Published As

Publication number Publication date
US4882762A (en) 1989-11-21
EP0354955A4 (en) 1991-06-05
ATE137369T1 (de) 1996-05-15
AU3215089A (en) 1989-09-22
DK127991D0 (da) 1991-06-28
EP0354955A1 (en) 1990-02-21
AU611273B2 (en) 1991-06-06
DK127991A (da) 1991-06-28
DE68926324T2 (de) 1996-08-29
DE68926324D1 (de) 1996-05-30
EP0354955B1 (en) 1996-04-24
WO1989008353A1 (en) 1989-09-08
CA1295044C (en) 1992-01-28

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Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: RESOUND CORPORATION