BRPI0912524A2 - troca rápida de canal e proteção de fluxo de alta qualidade de um canal de difusão - Google Patents

troca rápida de canal e proteção de fluxo de alta qualidade de um canal de difusão

Info

Publication number
BRPI0912524A2
BRPI0912524A2 BRPI0912524A BRPI0912524A BRPI0912524A2 BR PI0912524 A2 BRPI0912524 A2 BR PI0912524A2 BR PI0912524 A BRPI0912524 A BR PI0912524A BR PI0912524 A BRPI0912524 A BR PI0912524A BR PI0912524 A2 BRPI0912524 A2 BR PI0912524A2
Authority
BR
Brazil
Prior art keywords
high quality
channel
quality flow
flow protection
changeover
Prior art date
Application number
BRPI0912524A
Other languages
English (en)
Inventor
Amin Mohammad Shokrollahi
Michael G Luby
Thomas Stockhammer
Original Assignee
Digital Fountain Inc
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 Digital Fountain Inc filed Critical Digital Fountain Inc
Publication of BRPI0912524A2 publication Critical patent/BRPI0912524A2/pt

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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2381—Adapting the multiplex stream to a specific network, e.g. an Internet Protocol [IP] network
    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
BRPI0912524A 2008-05-07 2009-05-07 troca rápida de canal e proteção de fluxo de alta qualidade de um canal de difusão BRPI0912524A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5132508P 2008-05-07 2008-05-07
PCT/US2009/043184 WO2009137705A2 (en) 2008-05-07 2009-05-07 Fast channel zapping and high quality streaming protection over a broadcast channel

Publications (1)

Publication Number Publication Date
BRPI0912524A2 true BRPI0912524A2 (pt) 2015-10-13

Family

ID=41265414

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0912524A BRPI0912524A2 (pt) 2008-05-07 2009-05-07 troca rápida de canal e proteção de fluxo de alta qualidade de um canal de difusão

Country Status (14)

Country Link
US (1) US20100017686A1 (pt)
EP (1) EP2286585A4 (pt)
JP (2) JP5847577B2 (pt)
KR (1) KR101367886B1 (pt)
CN (1) CN102017617B (pt)
AU (1) AU2009244223B2 (pt)
BR (1) BRPI0912524A2 (pt)
CA (1) CA2723386A1 (pt)
IL (1) IL208689A0 (pt)
MX (1) MX2010012117A (pt)
RU (1) RU2010150108A (pt)
TW (1) TW201014366A (pt)
UA (1) UA95881C2 (pt)
WO (1) WO2009137705A2 (pt)

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Also Published As

Publication number Publication date
JP2011523806A (ja) 2011-08-18
JP2015222954A (ja) 2015-12-10
WO2009137705A2 (en) 2009-11-12
RU2010150108A (ru) 2012-06-20
CN102017617B (zh) 2014-08-13
WO2009137705A3 (en) 2010-02-11
KR101367886B1 (ko) 2014-02-26
EP2286585A4 (en) 2015-06-17
MX2010012117A (es) 2010-12-01
JP5847577B2 (ja) 2016-01-27
CN102017617A (zh) 2011-04-13
AU2009244223B2 (en) 2013-02-14
CA2723386A1 (en) 2009-11-12
US20100017686A1 (en) 2010-01-21
UA95881C2 (ru) 2011-09-12
AU2009244223A1 (en) 2009-11-12
KR20110015615A (ko) 2011-02-16
TW201014366A (en) 2010-04-01
IL208689A0 (en) 2010-12-30
EP2286585A2 (en) 2011-02-23

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2344 DE 08-12-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.

B15K Others concerning applications: alteration of classification

Ipc: H04N 21/2381 (2011.01), H04N 21/2383 (2011.01), H0