ES2161756T3 - Indicador de alineacion de paquetes de corriente de datos en un sistema para ensamblar paquetes de datos de transporte. - Google Patents
Indicador de alineacion de paquetes de corriente de datos en un sistema para ensamblar paquetes de datos de transporte.Info
- Publication number
- ES2161756T3 ES2161756T3 ES94905920T ES94905920T ES2161756T3 ES 2161756 T3 ES2161756 T3 ES 2161756T3 ES 94905920 T ES94905920 T ES 94905920T ES 94905920 T ES94905920 T ES 94905920T ES 2161756 T3 ES2161756 T3 ES 2161756T3
- Authority
- ES
- Spain
- Prior art keywords
- package
- data
- packages
- gop
- paf
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
- H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
-
- 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
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
Abstract
EN UN SISTEMA DE PROCESAMIENTO DE SEÑALES DIGITALES DE TELEVISION, UNA PALABRA CLAVE ESPECIAL, UN SEÑALADOR DE ALINEACION DE PAQUETES (PAF) (14), SE INTRODUCE EN UN FLUJO DE BITS DE PALABRAS CLAVE DE MPEG PARA SIGNIFICAR LA PRESENCIA DE UN GRUPO DE IMAGENES (GOP). EL PAF PRECEDE INMEDIATAMENTE A UNA PALABRA CLAVE DE COMIENZO DE IMAGEN PARA UN CUADRO "I", QUE INICIA UN GOP. UN PAQUETE DE DATOS (12) EN CONSTRUCCION SE FINALIZA CUANDO APARECE UN PAF (14), YA QUE ESTA PREVISTO QUE UN GOP COMIENCE EN EL LIMITE DE UN PAQUETE. TAL FINALIZACION PUEDE RESULTAR EN UN PAQUETE ABREVIADO DE MENOS DEL NUMERO PRESCRITO DE PALABRAS CLAVE NECESARIO PARA COMPLETAR UN PAQUETE DE DATOS. LA ULTIMA PALABRA DE CADA PAQUETE SE DESIGNA DE ESTA MANERA PARA FACILITAR LA POSTERIOR COMBINACION DE LOS PAQUETES DE DATOS (12) CON SUS RESPECTIVAS CABECERAS (18). UN PAQUETE DE DATOS INCOMPLETO SE RELLENA CON PALABRAS NULAS (BITS A CERO) PARA LOGRAR UN PAQUETE DE DATOS COMPLETO CON UN NUMERO O PALABRA PRESCRITOS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1993/011640 WO1995015652A1 (en) | 1993-11-30 | 1993-11-30 | Datastream packet alignment indicator in a system for assembling transport data packets |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2161756T3 true ES2161756T3 (es) | 2001-12-16 |
Family
ID=22237249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES94905920T Expired - Lifetime ES2161756T3 (es) | 1993-11-30 | 1993-11-30 | Indicador de alineacion de paquetes de corriente de datos en un sistema para ensamblar paquetes de datos de transporte. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0732029B1 (es) |
JP (1) | JP3480735B2 (es) |
KR (1) | KR100327683B1 (es) |
CN (1) | CN1090869C (es) |
AU (1) | AU5983894A (es) |
DE (1) | DE69330917T2 (es) |
ES (1) | ES2161756T3 (es) |
MY (1) | MY114373A (es) |
WO (1) | WO1995015652A1 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6295094B1 (en) | 1997-09-11 | 2001-09-25 | U.S. Philips Corporation | Instant replay of digital video optimized using non MPEG frame tags |
CN108966000B (zh) * | 2018-07-17 | 2021-01-29 | 北京世纪好未来教育科技有限公司 | 播放方法及其装置、介质、终端 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4704606A (en) * | 1984-11-13 | 1987-11-03 | American Telephone And Telegraph Company And At&T Information Systems Inc. | Variable length packet switching system |
GB8929152D0 (en) | 1989-12-22 | 1990-02-28 | Gen Electric | A digital augmentation system for actv-ii |
US5122875A (en) | 1991-02-27 | 1992-06-16 | General Electric Company | An HDTV compression system |
US5241382A (en) * | 1992-04-25 | 1993-08-31 | General Instrument Corporation | Digital HDTV data packet format and receiver therefor |
US5289276A (en) * | 1992-06-19 | 1994-02-22 | General Electric Company | Method and apparatus for conveying compressed video data over a noisy communication channel |
-
1993
- 1993-11-30 JP JP51557295A patent/JP3480735B2/ja not_active Expired - Fee Related
- 1993-11-30 EP EP94905920A patent/EP0732029B1/en not_active Expired - Lifetime
- 1993-11-30 DE DE69330917T patent/DE69330917T2/de not_active Expired - Fee Related
- 1993-11-30 KR KR1019960702951A patent/KR100327683B1/ko not_active IP Right Cessation
- 1993-11-30 ES ES94905920T patent/ES2161756T3/es not_active Expired - Lifetime
- 1993-11-30 AU AU59838/94A patent/AU5983894A/en not_active Abandoned
- 1993-11-30 WO PCT/US1993/011640 patent/WO1995015652A1/en active IP Right Grant
-
1994
- 1994-11-28 MY MYPI94003163A patent/MY114373A/en unknown
- 1994-11-29 CN CN94112955A patent/CN1090869C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3480735B2 (ja) | 2003-12-22 |
DE69330917D1 (de) | 2001-11-15 |
DE69330917T2 (de) | 2002-04-25 |
MY114373A (en) | 2002-10-31 |
CN1090869C (zh) | 2002-09-11 |
KR100327683B1 (ko) | 2002-07-27 |
JPH09507977A (ja) | 1997-08-12 |
AU5983894A (en) | 1995-06-19 |
EP0732029B1 (en) | 2001-10-10 |
EP0732029A4 (en) | 1999-01-07 |
EP0732029A1 (en) | 1996-09-18 |
KR960706750A (ko) | 1996-12-09 |
CN1111877A (zh) | 1995-11-15 |
WO1995015652A1 (en) | 1995-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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