CN1516877A - 滤波设备和方法 - Google Patents
滤波设备和方法 Download PDFInfo
- Publication number
- CN1516877A CN1516877A CNA018077498A CN01807749A CN1516877A CN 1516877 A CN1516877 A CN 1516877A CN A018077498 A CNA018077498 A CN A018077498A CN 01807749 A CN01807749 A CN 01807749A CN 1516877 A CN1516877 A CN 1516877A
- Authority
- CN
- China
- Prior art keywords
- signal
- filtering
- rounds
- filter
- prediction
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 93
- 238000001914 filtration Methods 0.000 claims abstract description 112
- 230000004044 response Effects 0.000 claims description 15
- 230000010354 integration Effects 0.000 claims description 13
- 238000013500 data storage Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000003786 synthesis reaction Methods 0.000 claims 2
- 230000008569 process Effects 0.000 abstract description 11
- 230000002441 reversible effect Effects 0.000 abstract description 4
- 238000007792 addition Methods 0.000 description 8
- 230000015654 memory Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
-
- 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
- H03H17/04—Recursive filters
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Complex Calculations (AREA)
- Networks Using Active Elements (AREA)
Abstract
Description
Claims (29)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00204354 | 2000-12-06 | ||
EP00204354.5 | 2000-12-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1516877A true CN1516877A (zh) | 2004-07-28 |
CN1270291C CN1270291C (zh) | 2006-08-16 |
Family
ID=8172384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018077498A Expired - Fee Related CN1270291C (zh) | 2000-12-06 | 2001-11-22 | 滤波设备和方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6792444B2 (zh) |
EP (1) | EP1423914A2 (zh) |
JP (1) | JP4343529B2 (zh) |
KR (1) | KR100852610B1 (zh) |
CN (1) | CN1270291C (zh) |
AU (1) | AU2002233199A1 (zh) |
WO (1) | WO2002047262A2 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106059529A (zh) * | 2016-05-27 | 2016-10-26 | 大连楼兰科技股份有限公司 | 集成多种可调滤波器的数据滤波方法及系统 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4965668A (en) * | 1989-11-09 | 1990-10-23 | The Grass Valley Group, Inc. | Adaptive rounder for video signals |
FR2742568B1 (fr) | 1995-12-15 | 1998-02-13 | Catherine Quinquis | Procede d'analyse par prediction lineaire d'un signal audiofrequence, et procedes de codage et de decodage d'un signal audiofrequence en comportant application |
CA2323014C (en) * | 1999-01-07 | 2008-07-22 | Koninklijke Philips Electronics N.V. | Efficient coding of side information in a lossless encoder |
DE60035453T2 (de) * | 1999-05-11 | 2008-03-20 | Nippon Telegraph And Telephone Corp. | Auswahl des Synthesefilters für eine CELP Kodierung von breitbandigen Audiosignalen |
WO2001042907A2 (en) * | 1999-12-10 | 2001-06-14 | Broadcom Corporation | Apparatus and method for reducing precision of data |
JP3833884B2 (ja) * | 2000-09-27 | 2006-10-18 | 株式会社東芝 | ディジタルフィルタ |
US6704759B2 (en) * | 2001-01-19 | 2004-03-09 | Motorola, Inc. | Method and apparatus for compression/decompression and filtering of a signal |
US6940897B2 (en) * | 2001-02-27 | 2005-09-06 | Analog Devices, Inc. | System and method for a highly-programmable FIR filter |
-
2001
- 2001-11-22 AU AU2002233199A patent/AU2002233199A1/en not_active Abandoned
- 2001-11-22 WO PCT/EP2001/013694 patent/WO2002047262A2/en not_active Application Discontinuation
- 2001-11-22 EP EP01984761A patent/EP1423914A2/en not_active Withdrawn
- 2001-11-22 JP JP2002548867A patent/JP4343529B2/ja not_active Expired - Fee Related
- 2001-11-22 KR KR1020027010108A patent/KR100852610B1/ko not_active IP Right Cessation
- 2001-11-22 CN CNB018077498A patent/CN1270291C/zh not_active Expired - Fee Related
- 2001-11-30 US US10/015,706 patent/US6792444B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2004515955A (ja) | 2004-05-27 |
AU2002233199A1 (en) | 2002-06-18 |
KR20020074498A (ko) | 2002-09-30 |
US6792444B2 (en) | 2004-09-14 |
CN1270291C (zh) | 2006-08-16 |
KR100852610B1 (ko) | 2008-08-18 |
WO2002047262A3 (en) | 2004-03-25 |
WO2002047262A2 (en) | 2002-06-13 |
EP1423914A2 (en) | 2004-06-02 |
US20020118740A1 (en) | 2002-08-29 |
JP4343529B2 (ja) | 2009-10-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: IPG ELECTRONICS 503 CO., LTD. Free format text: FORMER OWNER: ROYAL PHILIPS ELECTRONICS CO., LTD. Effective date: 20090828 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090828 Address after: British Channel Islands Patentee after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Patentee before: Koninklike Philips Electronics N. V. |
|
C56 | Change in the name or address of the patentee |
Owner name: FUNAI ELECTRIC CO., LTD. Free format text: FORMER NAME: IPG ELECTRONICS 503 LIMITED |
|
CP03 | Change of name, title or address |
Address after: Osaka Japan Patentee after: Funai Electric Co., Ltd. Address before: British Channel Islands Patentee before: Koninkl Philips Electronics NV |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060816 Termination date: 20161122 |
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CF01 | Termination of patent right due to non-payment of annual fee |