DE602004026401D1 - Verfahren zur Implementierung eines Abtastratenumsetzers mit rationalem Umsetzungsfaktor (FSRC) und entsprechende Architektur - Google Patents
Verfahren zur Implementierung eines Abtastratenumsetzers mit rationalem Umsetzungsfaktor (FSRC) und entsprechende ArchitekturInfo
- Publication number
- DE602004026401D1 DE602004026401D1 DE602004026401T DE602004026401T DE602004026401D1 DE 602004026401 D1 DE602004026401 D1 DE 602004026401D1 DE 602004026401 T DE602004026401 T DE 602004026401T DE 602004026401 T DE602004026401 T DE 602004026401T DE 602004026401 D1 DE602004026401 D1 DE 602004026401D1
- Authority
- DE
- Germany
- Prior art keywords
- fsrc
- implementing
- sample rate
- conversion factor
- rate converter
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/06—Non-recursive filters
- H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/06—Non-recursive filters
- H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
- H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
- H03H17/0685—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being rational
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Television Systems (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04425111A EP1569336B1 (de) | 2004-02-24 | 2004-02-24 | Verfahren zur Implementierung eines Abtastratenumsetzers mit rationalem Umsetzungsfaktor (FSRC) und entsprechende Architektur |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602004026401D1 true DE602004026401D1 (de) | 2010-05-20 |
Family
ID=34746209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004026401T Expired - Lifetime DE602004026401D1 (de) | 2004-02-24 | 2004-02-24 | Verfahren zur Implementierung eines Abtastratenumsetzers mit rationalem Umsetzungsfaktor (FSRC) und entsprechende Architektur |
Country Status (3)
Country | Link |
---|---|
US (1) | US7126505B2 (de) |
EP (1) | EP1569336B1 (de) |
DE (1) | DE602004026401D1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7245237B2 (en) * | 2002-09-17 | 2007-07-17 | Intel Corporation | Digital sampling rate conversion using a poly-phase filter and a polynomial interpolator |
US7180435B2 (en) * | 2004-02-02 | 2007-02-20 | Broadcom Corporation | Low-complexity sampling rate conversion method and apparatus for audio processing |
US7508327B2 (en) * | 2006-06-14 | 2009-03-24 | Qualcomm Incorporated | Integer representation of relative timing between desired output samples and corresponding input samples |
SI22825A (sl) * | 2008-05-27 | 2009-12-31 | Instrumentation Technologies D.O.O. | Postopek kompenzacije nelinearnih popačenj visokofrekvenčnih signalov in naprava za izvedbo postopka |
US8467891B2 (en) * | 2009-01-21 | 2013-06-18 | Utc Fire & Security Americas Corporation, Inc. | Method and system for efficient optimization of audio sampling rate conversion |
US8217812B2 (en) * | 2010-03-11 | 2012-07-10 | Qualcomm Incorporated | Adjustable sampling rate converter |
US8542786B2 (en) * | 2010-08-04 | 2013-09-24 | Evertz Microsystems Ltd. | Multi-channel sample rate converter |
KR20150012146A (ko) * | 2012-07-24 | 2015-02-03 | 삼성전자주식회사 | 오디오 데이터를 처리하기 위한 방법 및 장치 |
US9052991B2 (en) * | 2012-11-27 | 2015-06-09 | Qualcomm Incorporated | System and method for audio sample rate conversion |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4308598A (en) * | 1979-07-09 | 1981-12-29 | The Anaconda Company | Simplified roll along switching |
JPS56116147A (en) * | 1980-02-20 | 1981-09-11 | Hitachi Ltd | Digital semiconductor integrated circuit and digital control system using it |
JPS60237527A (ja) * | 1984-05-11 | 1985-11-26 | Mitsubishi Electric Corp | A−d変換装置 |
GB2188806B (en) * | 1986-04-05 | 1989-11-01 | Burr Brown Ltd | Method and apparatus for improved interface unit between analog input signals and a digital signal bus |
GB2198897A (en) * | 1986-12-18 | 1988-06-22 | Burr Brown Ltd | Analog input system |
JP2574909B2 (ja) * | 1989-12-11 | 1997-01-22 | 三菱電機株式会社 | マイクロコンピュータ |
JPH04160438A (ja) * | 1990-10-23 | 1992-06-03 | Mitsubishi Electric Corp | 半導体装置 |
GB9205614D0 (en) * | 1992-03-14 | 1992-04-29 | Innovision Ltd | Sample rate converter suitable for converting between digital video formats |
DE69316559T2 (de) * | 1992-12-03 | 1998-09-10 | Advanced Micro Devices Inc | Servoregelkreissteuerung |
US5581794A (en) * | 1992-12-18 | 1996-12-03 | Amdahl Corporation | Apparatus for generating a channel time-out signal after 16.38 milliseconds |
DE69424754T2 (de) * | 1993-12-08 | 2001-01-25 | Nokia Mobile Phones Ltd., Salo | Verfahren zur Umsetzung der Abtastfrequenz |
US5600845A (en) * | 1994-07-27 | 1997-02-04 | Metalithic Systems Incorporated | Integrated circuit computing device comprising a dynamically configurable gate array having a microprocessor and reconfigurable instruction execution means and method therefor |
JPH10143350A (ja) * | 1996-11-06 | 1998-05-29 | Nec Corp | 先入れ先出しメモリ制御システム |
US5907295A (en) * | 1997-08-04 | 1999-05-25 | Neomagic Corp. | Audio sample-rate conversion using a linear-interpolation stage with a multi-tap low-pass filter requiring reduced coefficient storage |
US6275836B1 (en) * | 1998-06-12 | 2001-08-14 | Oak Technology, Inc. | Interpolation filter and method for switching between integer and fractional interpolation rates |
US6480913B1 (en) * | 1998-07-17 | 2002-11-12 | 3Dlabs Inc. Led. | Data sequencer with MUX select input for converting input data stream and to specific output data stream using two exclusive-or logic gates and counter |
GB9818377D0 (en) * | 1998-08-21 | 1998-10-21 | Sgs Thomson Microelectronics | An integrated circuit with multiple processing cores |
US6362755B1 (en) * | 2000-04-18 | 2002-03-26 | Sigmatel, Inc. | Method and apparatus for sample rate conversion and applicants thereof |
US6489901B1 (en) * | 2001-08-31 | 2002-12-03 | Cirrus Logic, Inc. | Variable duty cycle resampling circuits and methods and sample rate converters using the same |
US6608572B1 (en) * | 2001-08-31 | 2003-08-19 | Cirrus Logic, Inc. | Analog to digital converters with integral sample rate conversion and systems and methods using the same |
US6570514B1 (en) * | 2001-12-21 | 2003-05-27 | Scott R. Velazquez | Linearity error compensator |
US6542094B1 (en) * | 2002-03-04 | 2003-04-01 | Cirrus Logic, Inc. | Sample rate converters with minimal conversion error and analog to digital and digital to analog converters using the same |
US6642863B1 (en) * | 2002-03-11 | 2003-11-04 | Cirrus Logic, Inc. | Sample rate converters using virtual sample rates and analog to digital and digital to analog converters using the same |
-
2004
- 2004-02-24 EP EP04425111A patent/EP1569336B1/de not_active Expired - Lifetime
- 2004-02-24 DE DE602004026401T patent/DE602004026401D1/de not_active Expired - Lifetime
-
2005
- 2005-02-24 US US11/065,013 patent/US7126505B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1569336B1 (de) | 2010-04-07 |
US7126505B2 (en) | 2006-10-24 |
US20050184889A1 (en) | 2005-08-25 |
EP1569336A1 (de) | 2005-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8380 | Miscellaneous part iii |
Free format text: PFANDRECHT |
|
8364 | No opposition during term of opposition |