BR0302854A - Method to obtain authorization to authorize a media bearer replication process, replication system arranged for a media bearer replication process, and verification server arranged to authorize a media bearer replication process - Google Patents

Method to obtain authorization to authorize a media bearer replication process, replication system arranged for a media bearer replication process, and verification server arranged to authorize a media bearer replication process

Info

Publication number
BR0302854A
BR0302854A BR0302854-2A BR0302854A BR0302854A BR 0302854 A BR0302854 A BR 0302854A BR 0302854 A BR0302854 A BR 0302854A BR 0302854 A BR0302854 A BR 0302854A
Authority
BR
Brazil
Prior art keywords
replication
replication process
media bearer
tracks
authorize
Prior art date
Application number
BR0302854-2A
Other languages
Portuguese (pt)
Inventor
Jakobus Middeljans
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of BR0302854A publication Critical patent/BR0302854A/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00855—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of exchanging information with a remote server
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00123—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm

Abstract

"MéTODOS PARA OBTER AUTORIZAçãO E PARA AUTORIZAR UM PROCESSO DE REPLICAçãO DE PORTADORA DE MìDIA, SISTEMA DE REPLICAçãO ARRANJADO PARA UM PROCESSO DE REPLICAçãO DE PORTADORA DE MìDIA, E, SERVIDOR DE VERIFICAçãO ARRANJADO PARA AUTORIZAR UM PROCESSO DE REPLICAçãO DE PORTADORA DE MìDIA". Uma instalação de replicação (110) recebe uma gravação matriz (102) incluindo um número de trilhas de um produtor de conteúdo (101). As impressões digitais de áudio das trilhas são computadas e submetidas a um servidor de verificação (120). O servidor executa uma consulta de banco de dados para identificar as trilhas baseado nas impressões digitais submetidas. A lista com trilhas identificadas é então comparada contra listas autorizadas (103) submetidas por provedores de conteúdo (101). Se uma coincidência for achada, o servidor de verificação (120) transmite uma resposta positiva à instalação de replicação (110), caso contrário, transmite uma resposta negativa. Preferivelmente, a resposta é digitalmente assinada para permitir a instalação de replicação (110) verificar sua autenticidade. A resposta pode incluir a lista de trilha autorizada de coincidência, de forma que a instalação de replicação (110) também obtenha metadados precisos para as trilhas. Estes metadados poderiam então ser incluídos nas cópias replicadas (112)."METHODS FOR OBTAINING AUTHORIZATION AND AUTHORIZING A MEDIA CARRIER REPLICATION PROCESS, ARRANGED REPLICATION SYSTEM FOR A MEDIA CARRIER REPLICATION PROCESS, AND ARRANGED VERIFICATION SERVER FOR AUTHORIZING A MEDIA CARRIER. A replication facility (110) receives a matrix write (102) including a number of tracks from a content producer (101). The audio fingerprints of the tracks are computed and submitted to a verification server (120). The server runs a database query to identify tracks based on submitted fingerprints. The list of identified tracks is then compared against authorized lists (103) submitted by content providers (101). If a match is found, the verification server 120 transmits a positive response to the replication facility 110, otherwise transmits a negative response. Preferably, the response is digitally signed to allow replication facility 110 to verify its authenticity. The answer may include the matching track list, so that the replication facility (110) also obtains accurate metadata for the tracks. These metadata could then be included in replicated copies (112).

BR0302854-2A 2002-01-28 2003-01-17 Method to obtain authorization to authorize a media bearer replication process, replication system arranged for a media bearer replication process, and verification server arranged to authorize a media bearer replication process BR0302854A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02075341 2002-01-28
PCT/IB2003/000104 WO2003065362A2 (en) 2002-01-28 2003-01-17 Methods and system for authorizing record replication

Publications (1)

Publication Number Publication Date
BR0302854A true BR0302854A (en) 2004-04-27

Family

ID=27635843

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0302854-2A BR0302854A (en) 2002-01-28 2003-01-17 Method to obtain authorization to authorize a media bearer replication process, replication system arranged for a media bearer replication process, and verification server arranged to authorize a media bearer replication process

Country Status (2)

Country Link
BR (1) BR0302854A (en)
WO (1) WO2003065362A2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5659613A (en) * 1994-06-29 1997-08-19 Macrovision Corporation Method and apparatus for copy protection for various recording media using a video finger print
US6665489B2 (en) * 1999-04-21 2003-12-16 Research Investment Network, Inc. System, method and article of manufacturing for authorizing the use of electronic content utilizing a laser-centric medium and a network server
GB2354347B (en) * 1999-08-04 2003-09-03 Internat Federation Of The Pho Reproduction control system
US6834308B1 (en) * 2000-02-17 2004-12-21 Audible Magic Corporation Method and apparatus for identifying media content presented on a media playing device

Also Published As

Publication number Publication date
WO2003065362A2 (en) 2003-08-07
WO2003065362A3 (en) 2004-03-04

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]