CA2144111C - Transcodeur de signaux numeriques et methode de transcodage de signaux numeriques - Google Patents
Transcodeur de signaux numeriques et methode de transcodage de signaux numeriques Download PDFInfo
- Publication number
- CA2144111C CA2144111C CA 2144111 CA2144111A CA2144111C CA 2144111 C CA2144111 C CA 2144111C CA 2144111 CA2144111 CA 2144111 CA 2144111 A CA2144111 A CA 2144111A CA 2144111 C CA2144111 C CA 2144111C
- Authority
- CA
- Canada
- Prior art keywords
- sampling rate
- signal
- output signal
- oversampled
- produce
- 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
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 84
- 238000001914 filtration Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 15
- 239000002131 composite material Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Analogue/Digital Conversion (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2144111 CA2144111C (fr) | 1995-03-07 | 1995-03-07 | Transcodeur de signaux numeriques et methode de transcodage de signaux numeriques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2144111 CA2144111C (fr) | 1995-03-07 | 1995-03-07 | Transcodeur de signaux numeriques et methode de transcodage de signaux numeriques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2144111A1 CA2144111A1 (fr) | 1996-09-08 |
| CA2144111C true CA2144111C (fr) | 2000-09-12 |
Family
ID=4155377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2144111 Expired - Fee Related CA2144111C (fr) | 1995-03-07 | 1995-03-07 | Transcodeur de signaux numeriques et methode de transcodage de signaux numeriques |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2144111C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2849330A1 (fr) | 2002-12-18 | 2004-06-25 | Koninkl Philips Electronics Nv | Convertisseur numerique de frequence d'echantillonnage |
-
1995
- 1995-03-07 CA CA 2144111 patent/CA2144111C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2144111A1 (fr) | 1996-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5610942A (en) | Digital signal transcoder and method of transcoding a digital signal | |
| US5274372A (en) | Sampling rate conversion using polyphase filters with interpolation | |
| US5748126A (en) | Sigma-delta digital-to-analog conversion system and process through reconstruction and resampling | |
| US5068716A (en) | Sampling rate converter | |
| KR100799406B1 (ko) | 대역 내 신호의 감쇠를 보상하기 위한 디지털 샘플링레이트 변환기 | |
| US5606319A (en) | Method and apparatus for interpolation and noise shaping in a signal converter | |
| JPH0771046B2 (ja) | 半帯域幅デジタルフィルタ | |
| US5717618A (en) | Method for digital interpolation | |
| US7280878B1 (en) | Sample rate converter having distributed filtering | |
| US6000834A (en) | Audio sampling rate conversion filter | |
| US7259700B2 (en) | Method and device for converting the sampling frequency of a digital signal | |
| US20090079598A1 (en) | Sample rate converter | |
| EP0948215A2 (fr) | Dispositif et méthode pour filtrer des signaux vidéo contenant de l'information de chrominance | |
| CA2144111C (fr) | Transcodeur de signaux numeriques et methode de transcodage de signaux numeriques | |
| US5317529A (en) | Digital filter using intermediate holding registers and common accumulators and multipliers | |
| EP0623269B1 (fr) | Echantillonnage de signal | |
| EP1570574B1 (fr) | Filtre multi-debit, systeme d'affichage et telephone mobile comprenant un tel filtre | |
| Janssen et al. | An advanced sampling rate conversion technique for video and graphics signals | |
| US5200812A (en) | Sampling frequency down-converting apparatus | |
| JPH0683439B2 (ja) | ディジタル・サンプル周波数の低減装置 | |
| Ramaswamy et al. | Polyphase implementation of a video scalar | |
| JPS6326119A (ja) | サンプリング周波数変換回路 | |
| Ryan et al. | Use of noise shaping for rate conversion in oversampled video signals | |
| Ryan et al. | An oversampled rate converter using sigma delta noise shaping | |
| JP2945233B2 (ja) | サブバンド分割フィルタバンク及びサブバンド合成フィルタバンク |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |