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
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- 230000015654 memory Effects 0.000 claims description 87
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- 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)
- Complex Calculations (AREA)
- Compression Or Coding Systems Of Tv Signals (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 (enExample) |
| JP (1) | JP4249414B2 (enExample) |
| TW (1) | TW461196B (enExample) |
| WO (1) | WO2001028092A1 (enExample) |
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 |
|---|---|---|---|---|
| EP1327360A1 (en) * | 2000-10-11 | 2003-07-16 | Koninklijke Philips Electronics N.V. | Scalable coding of multi-media objects |
| JP4816970B2 (ja) * | 2005-11-30 | 2011-11-16 | 日本電気株式会社 | 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 |
| CN101816041B (zh) * | 2007-07-06 | 2012-12-26 | 法国电信 | 限制音频数字信号解码过程中的后处理步骤引起的失真的方法和装置 |
| 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 US US10/089,939 patent/US6915319B1/en not_active Expired - Fee Related
- 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
- 2000-04-08 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 |
|---|---|
| JP2003511776A (ja) | 2003-03-25 |
| JP4249414B2 (ja) | 2009-04-02 |
| WO2001028092A1 (en) | 2001-04-19 |
| US6915319B1 (en) | 2005-07-05 |
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