GB2179810B - Dynamic range control of a signal - Google Patents

Dynamic range control of a signal

Info

Publication number
GB2179810B
GB2179810B GB08623808A GB8623808A GB2179810B GB 2179810 B GB2179810 B GB 2179810B GB 08623808 A GB08623808 A GB 08623808A GB 8623808 A GB8623808 A GB 8623808A GB 2179810 B GB2179810 B GB 2179810B
Authority
GB
United Kingdom
Prior art keywords
signal
dynamic range
range control
control
dynamic
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
Application number
GB08623808A
Other versions
GB2179810A (en
GB8623808D0 (en
Inventor
Guy William Whitsey Mcnally
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting 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
Priority claimed from GB08325340A external-priority patent/GB2147165B/en
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB08623808A priority Critical patent/GB2179810B/en
Publication of GB8623808D0 publication Critical patent/GB8623808D0/en
Publication of GB2179810A publication Critical patent/GB2179810A/en
Application granted granted Critical
Publication of GB2179810B publication Critical patent/GB2179810B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/008—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3089—Control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals
GB08623808A 1983-09-21 1986-10-03 Dynamic range control of a signal Expired GB2179810B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08623808A GB2179810B (en) 1983-09-21 1986-10-03 Dynamic range control of a signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08325340A GB2147165B (en) 1983-09-21 1983-09-21 Dynamic range control
GB08623808A GB2179810B (en) 1983-09-21 1986-10-03 Dynamic range control of a signal

Publications (3)

Publication Number Publication Date
GB8623808D0 GB8623808D0 (en) 1986-11-05
GB2179810A GB2179810A (en) 1987-03-11
GB2179810B true GB2179810B (en) 1987-10-21

Family

ID=26286865

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08623808A Expired GB2179810B (en) 1983-09-21 1986-10-03 Dynamic range control of a signal

Country Status (1)

Country Link
GB (1) GB2179810B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0277978A4 (en) * 1986-08-13 1991-01-30 Anatol Zygmunt Tirkel Adaptive gain control amplifier
EP0310769B1 (en) * 1987-10-06 1993-08-18 PEICOM sound systems GmbH Method and device for processing (dynamically) compressed analog ton signal (ton) signals recorded on memory support and sampled therefrom
JP2671595B2 (en) * 1990-10-25 1997-10-29 日本電気株式会社 Demodulator
EP0530342B1 (en) * 1991-03-20 1997-12-29 British Broadcasting Corporation Dynamic range compression
GB9605004D0 (en) * 1996-03-08 1996-05-08 Sony Uk Ltd Dynamics processor
JPH09258782A (en) * 1996-03-08 1997-10-03 Sony United Kingdom Ltd Digital voice processor
US6766176B1 (en) 1996-07-23 2004-07-20 Qualcomm Incorporated Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone
EP1811660B1 (en) * 1999-03-30 2013-10-09 Qualcomm Incorporated Method and apparatus for automatically adjusting speaker gain within a mobile telephone
CN1168207C (en) * 1999-03-30 2004-09-22 高通股份有限公司 Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone
FR2795890B1 (en) * 1999-06-30 2001-09-14 Sagem METHOD FOR COMPRESSING A DIGITAL SIGNAL
EP1472786A2 (en) * 2002-01-24 2004-11-03 Koninklijke Philips Electronics N.V. A method for decreasing the dynamic range of a signal and electronic circuit
US7333623B2 (en) 2002-03-26 2008-02-19 Oticon A/S Method for dynamic determination of time constants, method for level detection, method for compressing an electric audio signal and hearing aid, wherein the method for compression is used
EP1387352A3 (en) * 2002-07-22 2005-01-12 Chelton Avionics, Inc. Dynamic noise suppression voice communication device
JP4312103B2 (en) * 2004-05-31 2009-08-12 パナソニック株式会社 Sound equipment
US9008319B2 (en) * 2004-12-30 2015-04-14 Plantronics, Inc. Sound pressure level limiter with anti-startle feature
DE202005012816U1 (en) * 2005-08-08 2006-05-04 Jünger Audio-Studiotechnik GmbH Electronic device for controlling audio signals and corresponding computer-readable storage medium
GB2455742B (en) * 2007-12-19 2011-11-02 Wolfson Microelectronics Plc Dynamic range controller
DE102011006566A1 (en) 2011-03-31 2012-10-04 Rohde & Schwarz Gmbh & Co. Kg Devices for automatically setting a gain or damping factor

Also Published As

Publication number Publication date
GB2179810A (en) 1987-03-11
GB8623808D0 (en) 1986-11-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950921