GB201208739D0 - Electronic filter device - Google Patents
Electronic filter deviceInfo
- 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- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/0617—Continuously 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
- H03M1/0626—Continuously 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
- H03M1/0631—Smoothing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/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.
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)
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 |
-
2012
- 2012-05-18 GB GB201208739A patent/GB2502136A/en not_active Withdrawn
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) |