Title:
トランスポートストリーム供給装置、ＤＡＢ信号供給装置、トランスポートストリーム解析器、ＤＡＢ受信機、方法、コンピューター・プログラムおよびトランスポートストリーム信号
Document Type and Number:
Japanese Patent JP5662562
Kind Code:
B2
Abstract:
The provider (100) provides a transport stream packet (124) of a type with a program association table (PAT) and access limitation information having key information (ECM) to decrypt encrypted media information. The table contains association between a program number and a packet type identifier (PID) of another transport stream packet (128) of another type. The provider provides the latter packet so that the latter packet contains references of identifiers of transport stream user data packets that describe content types of digital media information (110) i.e. digital multimedia information. Independent claims are also included for the following: (1) a digital audio broadcasting signal provider comprising a transport stream provider (2) a digital audio broadcasting receiver comprising a transport stream analyzer (3) a method for providing a set of transport stream packets (4) a computer program for executing a method for providing a set of transport stream packets and a method for providing access limitation information.
Inventors:
バルテル−クルツ ビルギット
ドーラ シュテファン
プロッシュ マルクス
ドーラ シュテファン
プロッシュ マルクス
Application Number:
JP2013510598A
Publication Date:
February 04, 2015
Filing Date:
May 17, 2011
Export Citation:
Assignee:
フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ
International Classes:
H04N21/2362; H04H60/23; H04N21/434
Attorney, Agent or Firm:
Zenkei Okada
Ogiya 1
Ogiya 1