BR112015017048A2 - transcodificação de metadados - Google Patents

transcodificação de metadados

Info

Publication number
BR112015017048A2
BR112015017048A2 BR112015017048A BR112015017048A BR112015017048A2 BR 112015017048 A2 BR112015017048 A2 BR 112015017048A2 BR 112015017048 A BR112015017048 A BR 112015017048A BR 112015017048 A BR112015017048 A BR 112015017048A BR 112015017048 A2 BR112015017048 A2 BR 112015017048A2
Authority
BR
Brazil
Prior art keywords
metadata
input
frame
output
transcoding
Prior art date
Application number
BR112015017048A
Other languages
English (en)
Other versions
BR112015017048B1 (pt
Inventor
Schneider Andreas
Fersch Christof
Riedmiller Jeffrey
Wolters Martin
Grant Michael
Gregory Norcross Scott
Original Assignee
Dolby Int Ab
Dolby Laboratories Licensing 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
Application filed by Dolby Int Ab, Dolby Laboratories Licensing Corp filed Critical Dolby Int Ab
Publication of BR112015017048A2 publication Critical patent/BR112015017048A2/pt
Publication of BR112015017048B1 publication Critical patent/BR112015017048B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3242—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/68—Systems specially adapted for using specific information, e.g. geographical or meteorological information
    • H04H60/73—Systems specially adapted for using specific information, e.g. geographical or meteorological information using meta-information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/70—Media network packetisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/75—Media network packet handling
    • H04L65/765—Media network packet handling intermediate
    • 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
    • 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
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • H04N21/2355—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving reformatting operations of additional data, e.g. HTML pages
    • 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
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • H04N21/4355—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving reformatting operations of additional data, e.g. HTML pages on a television screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Theoretical Computer Science (AREA)
  • Library & Information Science (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

resumo "transcodificação de metadados". o presente documento refere-se à transcodificação de metadados, e em particular a um método e sistema para a transcodificação de metadados com complexidade computacional reduzida. um transcodificador configurado para transcodificar um fluxo de bits de entrada compreende um quadro de conteúdo de entrada e de um quadro de metadados entrada de associados em um fluxo de bits de saída que compreende um quadro de conteúdo de saída e um quadro de metadados de saída associado é descrito. o quadro de conteúdo de entrada é indicativo de um sinal codificado de acordo com um primeiro sistema de codec e o quadro de conteúdo de saída é indicativo do sinal codificado de acordo com um segundo sistema de codec. o transcodificador é configurado para identificar um bloco de entrada de metadados a partir do quadro de metadados de entrada, o bloco de entrada de metadados associado com um descritor de entrada indicativo de uma ou mais propriedades de metadados compreendidas dentro do bloco de entrada de metadados, e para gerar o quadro de metadados de saída a partir do quadro de metadados de entrada com base no descritor de entrada.
BR112015017048-0A 2013-01-21 2014-01-15 Dispositivo de codificação, método para gerar um fluxo de bits codificado, método para determinar um nível de confiança de um fluxo de bits codificado recebido, método para transcodificar um fluxo de bits de entrada BR112015017048B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361754893P 2013-01-21 2013-01-21
US61/754,893 2013-01-21
PCT/US2014/011695 WO2014113478A1 (en) 2013-01-21 2014-01-15 Metadata transcoding

Publications (2)

Publication Number Publication Date
BR112015017048A2 true BR112015017048A2 (pt) 2017-07-11
BR112015017048B1 BR112015017048B1 (pt) 2022-12-13

Family

ID=50031614

Family Applications (2)

Application Number Title Priority Date Filing Date
BR112015017048-0A BR112015017048B1 (pt) 2013-01-21 2014-01-15 Dispositivo de codificação, método para gerar um fluxo de bits codificado, método para determinar um nível de confiança de um fluxo de bits codificado recebido, método para transcodificar um fluxo de bits de entrada
BR122020018263-6A BR122020018263B1 (pt) 2013-01-21 2014-01-15 Codificador, método para gerar um fluxo de bits codificado, transcodificador, método para transcodificar um fluxo de bits de entrada, decodificador e método para determinar um nível de confiança de um fluxo de bits codificado recebido

Family Applications After (1)

Application Number Title Priority Date Filing Date
BR122020018263-6A BR122020018263B1 (pt) 2013-01-21 2014-01-15 Codificador, método para gerar um fluxo de bits codificado, transcodificador, método para transcodificar um fluxo de bits de entrada, decodificador e método para determinar um nível de confiança de um fluxo de bits codificado recebido

Country Status (10)

Country Link
US (3) US9755835B2 (pt)
EP (1) EP2946495B1 (pt)
JP (2) JP6242916B2 (pt)
KR (1) KR101717928B1 (pt)
CN (3) CN117219100A (pt)
BR (2) BR112015017048B1 (pt)
ES (1) ES2629195T3 (pt)
IN (1) IN2015MN01633A (pt)
RU (1) RU2602332C1 (pt)
WO (1) WO2014113478A1 (pt)

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Also Published As

Publication number Publication date
CN105027478A (zh) 2015-11-04
ES2629195T3 (es) 2017-08-07
IN2015MN01633A (pt) 2015-08-28
WO2014113478A1 (en) 2014-07-24
US10554415B2 (en) 2020-02-04
US9755835B2 (en) 2017-09-05
JP6242916B2 (ja) 2017-12-06
US20150372820A1 (en) 2015-12-24
KR101717928B1 (ko) 2017-04-04
CN109102815B (zh) 2023-09-19
CN105027478B (zh) 2018-09-21
EP2946495B1 (en) 2017-05-17
US20170373857A1 (en) 2017-12-28
JP6505791B2 (ja) 2019-04-24
CN109102815A (zh) 2018-12-28
BR112015017048B1 (pt) 2022-12-13
JP2017229087A (ja) 2017-12-28
EP2946495A1 (en) 2015-11-25
US11075762B2 (en) 2021-07-27
RU2602332C1 (ru) 2016-11-20
BR122020018263B1 (pt) 2022-09-27
JP2016510544A (ja) 2016-04-07
US20200127846A1 (en) 2020-04-23
KR20150105955A (ko) 2015-09-18
CN117219100A (zh) 2023-12-12

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