DE69128570D1 - Vorrichtung zur konversion eines abtastrate - Google Patents
Vorrichtung zur konversion eines abtastrateInfo
- Publication number
- DE69128570D1 DE69128570D1 DE69128570T DE69128570T DE69128570D1 DE 69128570 D1 DE69128570 D1 DE 69128570D1 DE 69128570 T DE69128570 T DE 69128570T DE 69128570 T DE69128570 T DE 69128570T DE 69128570 D1 DE69128570 D1 DE 69128570D1
- Authority
- DE
- Germany
- Prior art keywords
- conversing
- sample rate
- sample
- rate
- 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 - Fee Related
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0294—Variable filters; Programmable filters
-
- 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
- H03H17/065—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 integer
- H03H17/0657—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 integer where the output-delivery frequency is higher than the input sampling frequency, i.e. interpolation
-
- 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
- H03H17/065—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 integer
- H03H17/0664—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 integer where the output-delivery frequency is lower than the input sampling frequency, i.e. decimation
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0102—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving the resampling of the incoming video signal
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2035614A JPH10294646A (ja) | 1990-02-16 | 1990-02-16 | サンプリングレート変換装置 |
PCT/JP1991/000175 WO1991012664A1 (en) | 1990-02-16 | 1991-02-14 | Sampling rate conversion apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69128570D1 true DE69128570D1 (de) | 1998-02-12 |
DE69128570T2 DE69128570T2 (de) | 1998-05-07 |
Family
ID=12446724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69128570T Expired - Fee Related DE69128570T2 (de) | 1990-02-16 | 1991-02-14 | Vorrichtung zur konversion eines abtastrate |
Country Status (6)
Country | Link |
---|---|
US (1) | US5204827A (de) |
EP (1) | EP0469159B1 (de) |
JP (1) | JPH10294646A (de) |
KR (1) | KR920702085A (de) |
DE (1) | DE69128570T2 (de) |
WO (1) | WO1991012664A1 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9205614D0 (en) * | 1992-03-14 | 1992-04-29 | Innovision Ltd | Sample rate converter suitable for converting between digital video formats |
US5561616A (en) * | 1992-08-13 | 1996-10-01 | Tektronix, Inc. | Fir filter based upon squaring |
US5331346A (en) * | 1992-10-07 | 1994-07-19 | Panasonic Technologies, Inc. | Approximating sample rate conversion system |
US5274372A (en) * | 1992-10-23 | 1993-12-28 | Tektronix, Inc. | Sampling rate conversion using polyphase filters with interpolation |
US5717617A (en) * | 1993-04-16 | 1998-02-10 | Harris Corporation | Rate change filter and method |
US5892468A (en) * | 1993-09-13 | 1999-04-06 | Analog Devices, Inc. | Digital-to-digital conversion using nonuniform sample rates |
EP0719478B1 (de) * | 1993-09-13 | 1998-07-22 | Analog Devices, Inc. | Digital-analog-wandlung mit nicht-uniformen abtastraten |
US5619202A (en) * | 1994-11-22 | 1997-04-08 | Analog Devices, Inc. | Variable sample rate ADC |
JPH09502847A (ja) * | 1993-09-13 | 1997-03-18 | アナログ・ディバイセス・インコーポレーテッド | 不均等サンプル率を用いるアナログ/ディジタル変換 |
US5574454A (en) * | 1993-09-13 | 1996-11-12 | Analog Devices, Inc. | Digital phase-locked loop utilizing a high order sigma-delta modulator |
US5963160A (en) * | 1993-09-13 | 1999-10-05 | Analog Devices, Inc. | Analog to digital conversion using nonuniform sample rates |
US5712635A (en) * | 1993-09-13 | 1998-01-27 | Analog Devices Inc | Digital to analog conversion using nonuniform sample rates |
US5625358A (en) * | 1993-09-13 | 1997-04-29 | Analog Devices, Inc. | Digital phase-locked loop utilizing a high order sigma-delta modulator |
US5512897A (en) * | 1995-03-15 | 1996-04-30 | Analog Devices, Inc. | Variable sample rate DAC |
US5732002A (en) * | 1995-05-23 | 1998-03-24 | Analog Devices, Inc. | Multi-rate IIR decimation and interpolation filters |
US5638010A (en) * | 1995-06-07 | 1997-06-10 | Analog Devices, Inc. | Digitally controlled oscillator for a phase-locked loop providing a residue signal for use in continuously variable interpolation and decimation filters |
US6473732B1 (en) * | 1995-10-18 | 2002-10-29 | Motorola, Inc. | Signal analyzer and method thereof |
US6058404A (en) * | 1997-04-11 | 2000-05-02 | Texas Instruments Incorporated | Apparatus and method for a class of IIR/FIR filters |
CA2207670A1 (fr) * | 1997-05-29 | 1998-11-29 | Andre Marguinaud | Procede de synthese d'un filtre numerique a reponse impulsionnelle finie et filtre obtenu selon le procede |
US5903480A (en) * | 1997-09-29 | 1999-05-11 | Neomagic | Division-free phase-shift for digital-audio special effects |
JPH11331992A (ja) * | 1998-05-15 | 1999-11-30 | Sony Corp | デジタル処理回路と、これを使用したヘッドホン装置およびスピーカ装置 |
EP0957579A1 (de) | 1998-05-15 | 1999-11-17 | Deutsche Thomson-Brandt Gmbh | Verfahren und Vorrichtung zur Abtastrateumsetzung von Audiosignalen |
US6057789A (en) * | 1998-10-29 | 2000-05-02 | Neomagic Corp. | Re-synchronization of independently-clocked audio streams by dynamically switching among 3 ratios for sampling-rate-conversion |
US6252919B1 (en) | 1998-12-17 | 2001-06-26 | Neomagic Corp. | Re-synchronization of independently-clocked audio streams by fading-in with a fractional sample over multiple periods for sample-rate conversion |
US6591283B1 (en) * | 1998-12-24 | 2003-07-08 | Stmicroelectronics N.V. | Efficient interpolator for high speed timing recovery |
US6553398B2 (en) * | 2000-09-20 | 2003-04-22 | Santel Networks, Inc. | Analog fir filter with parallel interleaved architecture |
DE10334064B3 (de) * | 2003-07-25 | 2005-04-14 | Infineon Technologies Ag | Verfahren und Schaltungsanordnung zum Kalibrieren eines den Abtastzeitpunkt eines Empfangssignals beeinflussenden Abtastungssteuersignales eines Abtastphasenauswahlelements |
KR100834937B1 (ko) | 2006-07-14 | 2008-06-03 | 엠텍비젼 주식회사 | 특정 샘플링 레이트를 목적으로 하는 샘플링 레이트 변환방법 및 샘플링 레이트 변환 시스템 |
US9824677B2 (en) | 2011-06-03 | 2017-11-21 | Cirrus Logic, Inc. | Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC) |
US9318094B2 (en) | 2011-06-03 | 2016-04-19 | Cirrus Logic, Inc. | Adaptive noise canceling architecture for a personal audio device |
US8958571B2 (en) | 2011-06-03 | 2015-02-17 | Cirrus Logic, Inc. | MIC covering detection in personal audio devices |
US9123321B2 (en) | 2012-05-10 | 2015-09-01 | Cirrus Logic, Inc. | Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling system |
US9318090B2 (en) | 2012-05-10 | 2016-04-19 | Cirrus Logic, Inc. | Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system |
US9532139B1 (en) | 2012-09-14 | 2016-12-27 | Cirrus Logic, Inc. | Dual-microphone frequency amplitude response self-calibration |
US9414150B2 (en) | 2013-03-14 | 2016-08-09 | Cirrus Logic, Inc. | Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device |
US10219071B2 (en) | 2013-12-10 | 2019-02-26 | Cirrus Logic, Inc. | Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation |
US9478212B1 (en) | 2014-09-03 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device |
US20160365084A1 (en) * | 2015-06-09 | 2016-12-15 | Cirrus Logic International Semiconductor Ltd. | Hybrid finite impulse response filter |
US20170054510A1 (en) * | 2015-08-17 | 2017-02-23 | Multiphy Ltd. | Electro-optical finite impulse response transmit filter |
KR20180044324A (ko) | 2015-08-20 | 2018-05-02 | 시러스 로직 인터내셔널 세미컨덕터 리미티드 | 피드백 적응적 잡음 소거(anc) 제어기 및 고정 응답 필터에 의해 부분적으로 제공되는 피드백 응답을 갖는 방법 |
US10013966B2 (en) | 2016-03-15 | 2018-07-03 | Cirrus Logic, Inc. | Systems and methods for adaptive active noise cancellation for multiple-driver personal audio device |
US11522525B2 (en) * | 2020-05-28 | 2022-12-06 | Raytheon Company | Reconfigurable gallium nitride (GaN) rotating coefficients FIR filter for co-site interference mitigation |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL168669C (nl) * | 1974-09-16 | 1982-04-16 | Philips Nv | Interpolerend digitaal filter met ingangsbuffer. |
US4020332A (en) * | 1975-09-24 | 1977-04-26 | Bell Telephone Laboratories, Incorporated | Interpolation-decimation circuit for increasing or decreasing digital sampling frequency |
JPS58141025A (ja) * | 1982-02-16 | 1983-08-22 | Mitsubishi Electric Corp | 信号処理回路 |
NL8202687A (nl) * | 1982-07-05 | 1984-02-01 | Philips Nv | Decimerende filterinrichting. |
NL8400073A (nl) * | 1984-01-10 | 1985-08-01 | Philips Nv | Interpolerende filterinrichting met niet-rationale verhouding tussen de ingangs- en uitgangsbemonsterfrequentie. |
GB2180114A (en) * | 1985-04-13 | 1987-03-18 | Plessey Co Plc | Digital filters |
DE3605927A1 (de) * | 1986-02-25 | 1987-08-27 | Standard Elektrik Lorenz Ag | Digitaler interpolator |
JPH0731875B2 (ja) * | 1987-05-15 | 1995-04-10 | 株式会社日立製作所 | デイジタルオ−デイオレコ−ダ |
JPH0793548B2 (ja) * | 1987-08-31 | 1995-10-09 | 三洋電機株式会社 | 標本化周波数変換回路 |
EP0356597B1 (de) * | 1988-08-30 | 1994-03-30 | International Business Machines Corporation | Massnahmen zur Verbesserung des Verfahrens und Vorrichtung eines digitalen Frequenzumsetzungsfilters |
-
1990
- 1990-02-16 JP JP2035614A patent/JPH10294646A/ja active Pending
-
1991
- 1991-02-14 DE DE69128570T patent/DE69128570T2/de not_active Expired - Fee Related
- 1991-02-14 US US07/768,243 patent/US5204827A/en not_active Expired - Lifetime
- 1991-02-14 EP EP91904463A patent/EP0469159B1/de not_active Expired - Lifetime
- 1991-02-14 WO PCT/JP1991/000175 patent/WO1991012664A1/ja active IP Right Grant
- 1991-02-14 KR KR1019910701315A patent/KR920702085A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1991012664A1 (en) | 1991-08-22 |
KR920702085A (ko) | 1992-08-12 |
EP0469159A1 (de) | 1992-02-05 |
EP0469159B1 (de) | 1998-01-07 |
DE69128570T2 (de) | 1998-05-07 |
JPH10294646A (ja) | 1998-11-04 |
US5204827A (en) | 1993-04-20 |
EP0469159A4 (en) | 1992-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |