DE69623871T2 - Hardwareeffizientes Interpolationsfilter - Google Patents
Hardwareeffizientes InterpolationsfilterInfo
- Publication number
- DE69623871T2 DE69623871T2 DE69623871T DE69623871T DE69623871T2 DE 69623871 T2 DE69623871 T2 DE 69623871T2 DE 69623871 T DE69623871 T DE 69623871T DE 69623871 T DE69623871 T DE 69623871T DE 69623871 T2 DE69623871 T2 DE 69623871T2
- Authority
- DE
- Germany
- Prior art keywords
- interpolation filter
- hardware efficient
- efficient interpolation
- hardware
- filter
- 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
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/16—Modifications for eliminating interference voltages or currents
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/04—Recursive filters
- H03H17/0416—Recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
- H03H17/0427—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
- H03H17/0438—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
- H03H17/0444—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
- H03H17/0657—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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Complex Calculations (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/496,779 US5694345A (en) | 1995-06-29 | 1995-06-29 | Hardware efficient interpolation filter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69623871D1 DE69623871D1 (de) | 2002-10-31 |
DE69623871T2 true DE69623871T2 (de) | 2003-02-20 |
Family
ID=23974102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69623871T Expired - Lifetime DE69623871T2 (de) | 1995-06-29 | 1996-06-19 | Hardwareeffizientes Interpolationsfilter |
Country Status (7)
Country | Link |
---|---|
US (1) | US5694345A (de) |
EP (1) | EP0751618B1 (de) |
JP (1) | JPH0934604A (de) |
KR (1) | KR100433113B1 (de) |
CN (1) | CN1110135C (de) |
DE (1) | DE69623871T2 (de) |
MX (1) | MX9602531A (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5850227A (en) * | 1996-12-20 | 1998-12-15 | Compaq Computer Corporation | Bit map stretching using operand routing and operation selective multimedia extension unit |
US5862063A (en) * | 1996-12-20 | 1999-01-19 | Compaq Computer Corporation | Enhanced wavetable processing technique on a vector processor having operand routing and slot selectable operations |
US5931892A (en) * | 1996-12-20 | 1999-08-03 | Compaq Computer Corporation | Enhanced adaptive filtering technique |
US6215504B1 (en) | 1996-12-20 | 2001-04-10 | Compaq Computer Corporation | Line drawing using operand routing and operation selective multimedia extension unit |
US6006245A (en) * | 1996-12-20 | 1999-12-21 | Compaq Computer Corporation | Enhanced fast fourier transform technique on vector processor with operand routing and slot-selectable operation |
US5991865A (en) * | 1996-12-31 | 1999-11-23 | Compaq Computer Corporation | MPEG motion compensation using operand routing and performing add and divide in a single instruction |
DE59712488D1 (de) * | 1997-07-02 | 2005-12-22 | Micronas Semiconductor Holding | Einrichtung zur Reduktion der Datenrate |
US6073151A (en) * | 1998-06-29 | 2000-06-06 | Motorola, Inc. | Bit-serial linear interpolator with sliced output |
US7002997B2 (en) * | 2001-06-22 | 2006-02-21 | Winbond Electronics Corp. | Interpolation filter structure |
US6978288B1 (en) * | 2002-08-08 | 2005-12-20 | Young Chang Akki Co., Ltd | Coefficient update unit |
JP2006140825A (ja) * | 2004-11-12 | 2006-06-01 | Sanyo Electric Co Ltd | トラップフィルタ |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4313173A (en) * | 1980-06-10 | 1982-01-26 | Bell Telephone Laboratories, Incorporated | Linear interpolator |
JPS5856181A (ja) * | 1981-09-30 | 1983-04-02 | Fujitsu Ltd | 補間演算回路 |
EP0199192B1 (de) * | 1985-04-12 | 1995-09-13 | Yamaha Corporation | Tonsignalerzeugungsvorrichtung |
JPH0732345B2 (ja) * | 1985-09-13 | 1995-04-10 | 株式会社日立製作所 | デイジタル補間フイルタ回路 |
JP2766662B2 (ja) * | 1989-03-15 | 1998-06-18 | 株式会社河合楽器製作所 | 楽音発生装置の波形データ読み出し装置及び波形データ読み出し方法 |
DE3916256A1 (de) * | 1989-05-18 | 1990-11-22 | Ant Nachrichtentech | Digitalfilter mit daempfungs- und phasengangentzerrung |
US5111727A (en) * | 1990-01-05 | 1992-05-12 | E-Mu Systems, Inc. | Digital sampling instrument for digital audio data |
JPH03209918A (ja) * | 1990-01-11 | 1991-09-12 | Zero Eng:Kk | Pcm変復調装置の積分補間装置 |
US5177698A (en) * | 1990-07-09 | 1993-01-05 | Eastman Kodak Company | Selectable power of two coefficient signal combining circuit |
-
1995
- 1995-06-29 US US08/496,779 patent/US5694345A/en not_active Expired - Lifetime
-
1996
- 1996-06-19 EP EP96109836A patent/EP0751618B1/de not_active Expired - Lifetime
- 1996-06-19 DE DE69623871T patent/DE69623871T2/de not_active Expired - Lifetime
- 1996-06-21 KR KR1019960022735A patent/KR100433113B1/ko not_active IP Right Cessation
- 1996-06-28 CN CN96108228A patent/CN1110135C/zh not_active Expired - Fee Related
- 1996-06-28 MX MX9602531A patent/MX9602531A/es unknown
- 1996-07-01 JP JP8171531A patent/JPH0934604A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
KR100433113B1 (ko) | 2004-09-04 |
KR970004332A (ko) | 1997-01-29 |
EP0751618B1 (de) | 2002-09-25 |
CN1141535A (zh) | 1997-01-29 |
JPH0934604A (ja) | 1997-02-07 |
US5694345A (en) | 1997-12-02 |
EP0751618A1 (de) | 1997-01-02 |
MX9602531A (es) | 1998-04-30 |
CN1110135C (zh) | 2003-05-28 |
DE69623871D1 (de) | 2002-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |