ITTO20040781A1 - Procedimento per adattare in modo dinamico il bit-rate di un segnale digitale alla larghezza di banda disponibile, relativi dispositivi e prodotto informatico corrispondente - Google Patents

Procedimento per adattare in modo dinamico il bit-rate di un segnale digitale alla larghezza di banda disponibile, relativi dispositivi e prodotto informatico corrispondente

Info

Publication number
ITTO20040781A1
ITTO20040781A1 IT000781A ITTO20040781A ITTO20040781A1 IT TO20040781 A1 ITTO20040781 A1 IT TO20040781A1 IT 000781 A IT000781 A IT 000781A IT TO20040781 A ITTO20040781 A IT TO20040781A IT TO20040781 A1 ITTO20040781 A1 IT TO20040781A1
Authority
IT
Italy
Prior art keywords
comprehensive
bit
procedure
rate
product
Prior art date
Application number
IT000781A
Other languages
English (en)
Inventor
Torre Luigi Della
Andrea Lorenzo Vitali
Amedeo Enrico Zuccaro
Original Assignee
St Microelectronics Srl
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
Application filed by St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to IT000781A priority Critical patent/ITTO20040781A1/it
Publication of ITTO20040781A1 publication Critical patent/ITTO20040781A1/it
Priority to US11/269,127 priority patent/US20060120290A1/en

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]
    • H04N21/40—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
    • H04N21/4402—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 reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440227—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 reformatting operations of video signals for household redistribution, storage or real-time display by decomposing into layers, e.g. base layer and one or more enhancement layers
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/134—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
    • 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
    • H04N19/164—Feedback from the receiver or from the transmission channel
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/39—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability involving multiple description coding [MDC], i.e. with separate layers being structured as independently decodable descriptions of input picture data
    • 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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
    • 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
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
IT000781A 2004-11-09 2004-11-09 Procedimento per adattare in modo dinamico il bit-rate di un segnale digitale alla larghezza di banda disponibile, relativi dispositivi e prodotto informatico corrispondente ITTO20040781A1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT000781A ITTO20040781A1 (it) 2004-11-09 2004-11-09 Procedimento per adattare in modo dinamico il bit-rate di un segnale digitale alla larghezza di banda disponibile, relativi dispositivi e prodotto informatico corrispondente
US11/269,127 US20060120290A1 (en) 2004-11-09 2005-11-08 Method for adapting the bitrate of a digital signal dynamically to the available bandwidth, corresponding devices, and corresponding computer-program product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000781A ITTO20040781A1 (it) 2004-11-09 2004-11-09 Procedimento per adattare in modo dinamico il bit-rate di un segnale digitale alla larghezza di banda disponibile, relativi dispositivi e prodotto informatico corrispondente

Publications (1)

Publication Number Publication Date
ITTO20040781A1 true ITTO20040781A1 (it) 2005-02-09

Family

ID=36574075

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000781A ITTO20040781A1 (it) 2004-11-09 2004-11-09 Procedimento per adattare in modo dinamico il bit-rate di un segnale digitale alla larghezza di banda disponibile, relativi dispositivi e prodotto informatico corrispondente

Country Status (2)

Country Link
US (1) US20060120290A1 (it)
IT (1) ITTO20040781A1 (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0706424D0 (en) * 2007-04-02 2007-05-09 British Telecomm Video streaming
US20090074074A1 (en) * 2007-06-29 2009-03-19 The Hong Kong University Of Science And Technology Multiple description encoder and decoder for transmitting multiple descriptions
EP2101503A1 (en) * 2008-03-11 2009-09-16 British Telecommunications Public Limited Company Video coding
EP2200319A1 (en) 2008-12-10 2010-06-23 BRITISH TELECOMMUNICATIONS public limited company Multiplexed video streaming
EP2219342A1 (en) 2009-02-12 2010-08-18 BRITISH TELECOMMUNICATIONS public limited company Bandwidth allocation control in multiple video streaming

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5596686A (en) * 1994-04-21 1997-01-21 Silicon Engines, Inc. Method and apparatus for simultaneous parallel query graphics rendering Z-coordinate buffer
US6137912A (en) * 1998-08-19 2000-10-24 Physical Optics Corporation Method of multichannel data compression
US6891565B1 (en) * 1999-07-16 2005-05-10 Sarnoff Corporation Bitstream testing method and apparatus employing embedded reference data
US20020188440A1 (en) * 2001-04-27 2002-12-12 Foster Mark J. Optimized MPEG-2 encoding for computer-generated output
CN101039427B (zh) * 2002-07-15 2010-06-16 株式会社日立制作所 动态图像的解码方法
US7480252B2 (en) * 2002-10-04 2009-01-20 Koniklijke Philips Electronics N.V. Method and system for improving transmission efficiency using multiple-description layered encoding
KR100952185B1 (ko) * 2002-12-19 2010-04-09 코닌클리케 필립스 일렉트로닉스 엔.브이. 순방향 에러 정정 코드를 이용하여 비디오의 드리프트 없는 단편적인 다중 설명 채널 코딩을 위한 시스템 및 방법
EP1465349A1 (en) * 2003-03-31 2004-10-06 Interuniversitair Microelektronica Centrum Vzw Embedded multiple description scalar quantizers for progressive image transmission
US20050015511A1 (en) * 2003-07-02 2005-01-20 Nec Laboratories America, Inc. Accelerated large data distribution in overlay networks
US20050175099A1 (en) * 2004-02-06 2005-08-11 Nokia Corporation Transcoder and associated system, method and computer program product for low-complexity reduced resolution transcoding
US7222285B2 (en) * 2004-03-17 2007-05-22 Microsoft Corporation Layered multiple description coding
US7817869B2 (en) * 2004-05-07 2010-10-19 Sony Corporation Variable support robust transform for multiple description coding

Also Published As

Publication number Publication date
US20060120290A1 (en) 2006-06-08

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