DE68926324T2 - Mehrfachband-programmierbares verdichtungssystem - Google Patents

Mehrfachband-programmierbares verdichtungssystem

Info

Publication number
DE68926324T2
DE68926324T2 DE68926324T DE68926324T DE68926324T2 DE 68926324 T2 DE68926324 T2 DE 68926324T2 DE 68926324 T DE68926324 T DE 68926324T DE 68926324 T DE68926324 T DE 68926324T DE 68926324 T2 DE68926324 T2 DE 68926324T2
Authority
DE
Germany
Prior art keywords
compressors
compressor
band
compression system
frequency bands
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE68926324T
Other languages
English (en)
Other versions
DE68926324D1 (de
Inventor
Fred Waldhauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GN Hearing Care Corp
Original Assignee
GN Hearing Care 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 GN Hearing Care Corp filed Critical GN Hearing Care Corp
Publication of DE68926324D1 publication Critical patent/DE68926324D1/de
Application granted granted Critical
Publication of DE68926324T2 publication Critical patent/DE68926324T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE68926324T 1988-02-23 1989-02-23 Mehrfachband-programmierbares verdichtungssystem Expired - Lifetime DE68926324T2 (de)

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 (2)

Publication Number Publication Date
DE68926324D1 DE68926324D1 (de) 1996-05-30
DE68926324T2 true DE68926324T2 (de) 1996-08-29

Family

ID=22575160

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68926324T Expired - Lifetime DE68926324T2 (de) 1988-02-23 1989-02-23 Mehrfachband-programmierbares verdichtungssystem

Country Status (9)

Country Link
US (1) US4882762A (de)
EP (1) EP0354955B1 (de)
AT (1) ATE137369T1 (de)
AU (1) AU611273B2 (de)
CA (1) CA1295044C (de)
DE (1) DE68926324T2 (de)
DK (1) DK127991D0 (de)
FI (1) FI895949A0 (de)
WO (1) WO1989008353A1 (de)

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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
US6633202B2 (en) 2001-04-12 2003-10-14 Gennum Corporation Precision low jitter oscillator circuit
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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
DE60223869D1 (de) * 2001-04-18 2008-01-17 Gennum Corp Digitaler Quasi-Mittelwertdetektor
US7181034B2 (en) * 2001-04-18 2007-02-20 Gennum Corporation Inter-channel communication in a multi-channel digital hearing instrument
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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
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JP4517974B2 (ja) * 2005-08-05 2010-08-04 株式会社日立製作所 半導体装置
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Also Published As

Publication number Publication date
ATE137369T1 (de) 1996-05-15
DK127991A (da) 1991-06-28
FI895949A0 (fi) 1989-12-13
AU611273B2 (en) 1991-06-06
EP0354955A1 (de) 1990-02-21
EP0354955B1 (de) 1996-04-24
DE68926324D1 (de) 1996-05-30
DK127991D0 (da) 1991-06-28
EP0354955A4 (en) 1991-06-05
AU3215089A (en) 1989-09-22
CA1295044C (en) 1992-01-28
WO1989008353A1 (en) 1989-09-08
US4882762A (en) 1989-11-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: WIESE KONNERTH FISCHER PATENTANWAELTE PARTNERSCHAF

8328 Change in the person/name/address of the agent

Representative=s name: SCHROETER LEHMANN FISCHER & NEUGEBAUER, 81479 MUEN