GB2274041B - Buffer regulation - Google Patents

Buffer regulation

Info

Publication number
GB2274041B
GB2274041B GB9401783A GB9401783A GB2274041B GB 2274041 B GB2274041 B GB 2274041B GB 9401783 A GB9401783 A GB 9401783A GB 9401783 A GB9401783 A GB 9401783A GB 2274041 B GB2274041 B GB 2274041B
Authority
GB
United Kingdom
Prior art keywords
buffer regulation
regulation
buffer
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
Application number
GB9401783A
Other versions
GB9401783D0 (en
GB2274041A (en
Inventor
Nicholas Dominic Wells
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB9001295A external-priority patent/GB9001295D0/en
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Publication of GB9401783D0 publication Critical patent/GB9401783D0/en
Publication of GB2274041A publication Critical patent/GB2274041A/en
Application granted granted Critical
Publication of GB2274041B publication Critical patent/GB2274041B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving management of server-side video buffer
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/23614—Multiplexing of additional data and video streams
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4348—Demultiplexing of additional data and video streams
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
GB9401783A 1990-01-19 1994-01-31 Buffer regulation Expired - Fee Related GB2274041B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9001295A GB9001295D0 (en) 1990-01-19 1990-01-19 Buffer resynchronisation
GB9100983A GB2242097B (en) 1990-01-19 1991-01-16 Buffer resynchronisation

Publications (3)

Publication Number Publication Date
GB9401783D0 GB9401783D0 (en) 1994-03-23
GB2274041A GB2274041A (en) 1994-07-06
GB2274041B true GB2274041B (en) 1994-09-14

Family

ID=26296530

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9401783A Expired - Fee Related GB2274041B (en) 1990-01-19 1994-01-31 Buffer regulation

Country Status (1)

Country Link
GB (1) GB2274041B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5566174A (en) * 1994-04-08 1996-10-15 Philips Electronics North America Corporation MPEG information signal conversion system
GB2307151A (en) * 1995-11-10 1997-05-14 British Broadcasting Corp Digital coding of video signals
US5931922A (en) * 1996-07-01 1999-08-03 Sun Microsystems, Inc. Media server system for preventing FIFO buffer underflow during multiple channel startup by waiting until buffer receives plurality of data blocks before enabling buffer to transmit received data
DE69726110T2 (en) * 1996-08-30 2004-08-26 Koninklijke Philips Electronics N.V. VIDEO TRANSMISSION SYSTEM
US6546366B1 (en) * 1999-02-26 2003-04-08 Mitel, Inc. Text-to-speech converter
US7797369B2 (en) 2003-12-16 2010-09-14 Seiko Epson Corporation System and method for controlling a transmission of image data to a display device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2181926A (en) * 1985-09-17 1987-04-29 Codex Corp Network data flow control
EP0431319A2 (en) * 1989-11-06 1991-06-12 Fujitsu Limited Video signal coding apparatus, coding method and video signal coding transmission system
EP0515101A2 (en) * 1991-05-23 1992-11-25 AT&T Corp. Buffer control for variable bit-rate channel
EP0517273A2 (en) * 1991-06-07 1992-12-09 Alcatel Espacio S.A. Method and device to regulate the output bit rate in variable bit rate video coders

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2181926A (en) * 1985-09-17 1987-04-29 Codex Corp Network data flow control
EP0431319A2 (en) * 1989-11-06 1991-06-12 Fujitsu Limited Video signal coding apparatus, coding method and video signal coding transmission system
EP0515101A2 (en) * 1991-05-23 1992-11-25 AT&T Corp. Buffer control for variable bit-rate channel
EP0517273A2 (en) * 1991-06-07 1992-12-09 Alcatel Espacio S.A. Method and device to regulate the output bit rate in variable bit rate video coders

Also Published As

Publication number Publication date
GB9401783D0 (en) 1994-03-23
GB2274041A (en) 1994-07-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100116