GB201208739D0 - Electronic filter device - Google Patents

Electronic filter device

Info

Publication number
GB201208739D0
GB201208739D0 GB201208739A GB201208739A GB201208739D0 GB 201208739 D0 GB201208739 D0 GB 201208739D0 GB 201208739 A GB201208739 A GB 201208739A GB 201208739 A GB201208739 A GB 201208739A GB 201208739 D0 GB201208739 D0 GB 201208739D0
Authority
GB
United Kingdom
Prior art keywords
filter device
electronic filter
stated
filter
electronic
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.)
Withdrawn
Application number
GB201208739A
Other versions
GB2502136A (en
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.)
TELLURIUM Q Ltd
Original Assignee
TELLURIUM Q Ltd
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 TELLURIUM Q Ltd filed Critical TELLURIUM Q Ltd
Priority to GB201208739A priority Critical patent/GB2502136A/en
Publication of GB201208739D0 publication Critical patent/GB201208739D0/en
Publication of GB2502136A publication Critical patent/GB2502136A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H03M1/0626Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by filtering
    • H03M1/0631Smoothing
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66Digital/analogue converters

Abstract

An electronic filter device is described which is stated to effectively remove noise caused by digital to analogue converter clocking frequencies and harmonics thereof. It is stated that an analogue audio signal with natural high-quality sound is provided.  The filter device comprises a pre-emphasis filter 2 followed by a low-pass filter 5.
GB201208739A 2012-05-18 2012-05-18 An output filter for a DAC in an audio playback system Withdrawn GB2502136A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201208739A GB2502136A (en) 2012-05-18 2012-05-18 An output filter for a DAC in an audio playback system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201208739A GB2502136A (en) 2012-05-18 2012-05-18 An output filter for a DAC in an audio playback system

Publications (2)

Publication Number Publication Date
GB201208739D0 true GB201208739D0 (en) 2012-07-04
GB2502136A GB2502136A (en) 2013-11-20

Family

ID=46546269

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201208739A Withdrawn GB2502136A (en) 2012-05-18 2012-05-18 An output filter for a DAC in an audio playback system

Country Status (1)

Country Link
GB (1) GB2502136A (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0683113B2 (en) * 1986-03-12 1994-10-19 沖電気工業株式会社 Line equalization circuit
GB2270595B (en) * 1992-09-09 1995-12-06 Guy De Warrenne Bruce Adams An audio system
US8023665B2 (en) * 1998-05-04 2011-09-20 Schwartz Stephen R Microphone-tailored equalizing system
JP2000349579A (en) * 1999-06-08 2000-12-15 Zanden Audio Syst:Kk Band limiting analog filter for digital audio and audio signal amplifier using it
US7390960B1 (en) * 2003-07-18 2008-06-24 Jeffrey Arnold Electronic signal processor
US7038608B1 (en) * 2004-12-16 2006-05-02 Valeo Raytheon Systems, Inc. Digital to analog converter

Also Published As

Publication number Publication date
GB2502136A (en) 2013-11-20

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)