BR112015017048B1 - 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 - Google Patents

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 Download PDF

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Publication number
BR112015017048B1
BR112015017048B1 BR112015017048-0A BR112015017048A BR112015017048B1 BR 112015017048 B1 BR112015017048 B1 BR 112015017048B1 BR 112015017048 A BR112015017048 A BR 112015017048A BR 112015017048 B1 BR112015017048 B1 BR 112015017048B1
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BR
Brazil
Prior art keywords
metadata
frame
input
pcm
key
Prior art date
Application number
BR112015017048-0A
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English (en)
Portuguese (pt)
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BR112015017048A2 (pt
Inventor
Michael Grant
Jeffrey Riedmiller
Andreas Schneider
Christof FERSCH
Martin Wolters
Scott Gregory Norcross
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Dolby International Ab
Dolby Laboratories Licensing Corporation
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Publication date
Application filed by Dolby International Ab, Dolby Laboratories Licensing Corporation filed Critical Dolby International Ab
Publication of BR112015017048A2 publication Critical patent/BR112015017048A2/pt
Publication of BR112015017048B1 publication Critical patent/BR112015017048B1/pt

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    • 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
    • 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
    • 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)
  • Theoretical Computer Science (AREA)
  • Library & Information Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
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 BR112015017048A2 (pt) 2017-07-11
BR112015017048B1 true BR112015017048B1 (pt) 2022-12-13

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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

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Country Link
US (3) US9755835B2 (enExample)
EP (1) EP2946495B1 (enExample)
JP (2) JP6242916B2 (enExample)
KR (1) KR101717928B1 (enExample)
CN (3) CN117219100B (enExample)
BR (2) BR112015017048B1 (enExample)
ES (1) ES2629195T3 (enExample)
IN (1) IN2015MN01633A (enExample)
RU (1) RU2602332C1 (enExample)
WO (1) WO2014113478A1 (enExample)

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Publication number Publication date
BR112015017048A2 (pt) 2017-07-11
US20150372820A1 (en) 2015-12-24
US10554415B2 (en) 2020-02-04
RU2602332C1 (ru) 2016-11-20
US20200127846A1 (en) 2020-04-23
KR20150105955A (ko) 2015-09-18
JP2016510544A (ja) 2016-04-07
IN2015MN01633A (enExample) 2015-08-28
EP2946495B1 (en) 2017-05-17
EP2946495A1 (en) 2015-11-25
CN117219100A (zh) 2023-12-12
US9755835B2 (en) 2017-09-05
CN105027478A (zh) 2015-11-04
CN109102815A (zh) 2018-12-28
BR122020018263B1 (pt) 2022-09-27
ES2629195T3 (es) 2017-08-07
JP2017229087A (ja) 2017-12-28
WO2014113478A1 (en) 2014-07-24
CN117219100B (zh) 2025-02-25
CN105027478B (zh) 2018-09-21
US11075762B2 (en) 2021-07-27
KR101717928B1 (ko) 2017-04-04
US20170373857A1 (en) 2017-12-28
CN109102815B (zh) 2023-09-19
JP6242916B2 (ja) 2017-12-06
JP6505791B2 (ja) 2019-04-24

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