TW461196B - Method and apparatus for interpolating digital signal - Google Patents
Method and apparatus for interpolating digital signal Download PDFInfo
- Publication number
- TW461196B TW461196B TW89106511A TW89106511A TW461196B TW 461196 B TW461196 B TW 461196B TW 89106511 A TW89106511 A TW 89106511A TW 89106511 A TW89106511 A TW 89106511A TW 461196 B TW461196 B TW 461196B
- Authority
- TW
- Taiwan
- Prior art keywords
- interval
- signal
- level
- interpolation
- patent application
- Prior art date
Links
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- 238000012545 processing Methods 0.000 claims abstract description 100
- 238000013139 quantization Methods 0.000 claims abstract description 55
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 230000005236 sound signal Effects 0.000 claims abstract description 14
- 230000015654 memory Effects 0.000 claims description 87
- 230000006870 function Effects 0.000 claims description 73
- 238000004458 analytical method Methods 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 25
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- 238000005314 correlation function Methods 0.000 claims description 5
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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
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/028—Polynomial 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
- H03H17/0219—Compensation of undesirable effects, e.g. quantisation noise, overflow
-
- 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
- H03H17/065—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
- H03H2017/0298—DSP implementation
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Complex Calculations (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Editing Of Facsimile Originals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28812999 | 1999-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW461196B true TW461196B (en) | 2001-10-21 |
Family
ID=17726195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW89106511A TW461196B (en) | 1999-10-08 | 2000-04-08 | Method and apparatus for interpolating digital signal |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6915319B1 (https=) |
| JP (1) | JP4249414B2 (https=) |
| TW (1) | TW461196B (https=) |
| WO (1) | WO2001028092A1 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104834881A (zh) * | 2014-02-07 | 2015-08-12 | 欣技资讯股份有限公司 | 可动态切换的条码读取方法 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002220595A1 (en) * | 2000-10-11 | 2002-04-22 | Koninklijke Philips Electronics N.V. | Scalable coding of multi-media objects |
| WO2007063771A1 (ja) | 2005-11-30 | 2007-06-07 | Nec Corporation | 画像処理装置、表示装置、画像処理方法及びプログラム |
| KR20070099170A (ko) * | 2006-04-03 | 2007-10-09 | 엘지.필립스 엘시디 주식회사 | 데이터 변환장치 및 변환방법과 이를 이용한 영상표시장치의 구동장치 및 구동방법 |
| US7890564B2 (en) * | 2007-01-30 | 2011-02-15 | Himax Technologies Limited | Interpolation FIR filter and method thereof |
| WO2009010672A2 (fr) * | 2007-07-06 | 2009-01-22 | France Telecom | Limitation de distorsion introduite par un post-traitement au decodage d'un signal numerique |
| JP5555591B2 (ja) * | 2009-10-01 | 2014-07-23 | パナソニック株式会社 | オーディオ信号処理装置およびオーディオ信号処理方法 |
| JP5477357B2 (ja) * | 2010-11-09 | 2014-04-23 | 株式会社デンソー | 音場可視化システム |
| JP5670226B2 (ja) * | 2011-03-04 | 2015-02-18 | Kddi株式会社 | 動画像符号化装置、動画像符号化方法、およびプログラム |
| GR1008346B (el) * | 2013-11-04 | 2014-11-03 | Νικολαος Χρηστου Πετρελλης | Μεθοδος και συσκευη παρεμβολης για πιστοτερη αναπαρασταση και συμπιεση σηματος |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0629845A (ja) * | 1991-06-28 | 1994-02-04 | Univ Columbia New York | 量子化雑音低減方法及び装置 |
| US5590064A (en) | 1994-10-26 | 1996-12-31 | Intel Corporation | Post-filtering for decoded video signals |
| EP0721286A3 (en) * | 1995-01-09 | 2000-07-26 | Matsushita Electric Industrial Co., Ltd. | Video signal decoding apparatus with artifact reduction |
| US5712657A (en) * | 1995-03-28 | 1998-01-27 | Cirrus Logic, Inc. | Method and apparatus for adaptive dithering |
| US5903866A (en) * | 1997-03-10 | 1999-05-11 | Lucent Technologies Inc. | Waveform interpolation speech coding using splines |
| US6016113A (en) * | 1997-06-26 | 2000-01-18 | Binder; Yehuda | System for enhancing the accuracy of analog-digital-analog conversions |
-
2000
- 2000-04-06 JP JP2001530200A patent/JP4249414B2/ja not_active Expired - Fee Related
- 2000-04-06 WO PCT/JP2000/002237 patent/WO2001028092A1/en not_active Ceased
- 2000-04-06 US US10/089,939 patent/US6915319B1/en not_active Expired - Fee Related
- 2000-04-08 TW TW89106511A patent/TW461196B/zh active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104834881A (zh) * | 2014-02-07 | 2015-08-12 | 欣技资讯股份有限公司 | 可动态切换的条码读取方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US6915319B1 (en) | 2005-07-05 |
| JP4249414B2 (ja) | 2009-04-02 |
| JP2003511776A (ja) | 2003-03-25 |
| WO2001028092A1 (en) | 2001-04-19 |
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