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    • 4. 发明公开
    • Digital audio broadcasting receiver and label information display method of the same
    • DigitalerAudiorundfunkempfängerund Service-Name Anzeigeverfahrendafür
    • EP2448154A1
    • 2012-05-02
    • EP11186333.8
    • 2011-10-24
    • Alpine Electronics, Inc.
    • Chiba, Masatoshi
    • H04H20/16H04H60/74H04L1/00H04L1/20H03M13/09
    • H04H20/16H03M13/09H03M13/41H04H60/74H04H2201/20H04L1/0054H04L1/0061H04L1/0071H04L1/20
    • A digital audio broadcasting receiver (20) includes a display unit (8), a tuner (2), and a control unit (5). The control unit (5) performs CRC calculations regarding a plurality of pieces of specific data included in a broadcast wave signal selected by the tuner (2). Based on comparison of the calculation results with CRC data included in the plurality ofpieces ofspecific data, the control unit (5) controls the display unit (8) so that label information regarding a currently received program is displayed. Further, when a reception state ofthe currently selected broadcast wave signal falls below a given level (S16), the control unit (5) loads a plurality ofpieces ofspecific data, performs the CRC calculation regarding each piece ofspecific data, and controls the display means (8) based on the calculation results so that the currently displayed label information is maintained or updated.
    • 数字音频广播接收机(20)包括显示单元(8),调谐器(2)和控制单元(5)。 控制单元(5)执行关于由调谐器(2)选择的广播波信号中包括的多条特定数据的CRC计算。 基于计算结果与包括在多个特定数据中的CRC数据的比较,控制单元(5)控制显示单元(8),使得显示关于当前接收的节目的标签信息。 此外,当当前选择的广播波信号的接收状态下降到给定电平以下时(S16),控制单元(5)加载多个特定数据,针对每个特定数据执行CRC计算,并且控制显示装置 8)基于计算结果,使得当前显示的标签信息被维护或更新。
    • 7. 发明公开
    • DIGITAL BROADCAST NETWORK BEST EFFORT SERVICES
    • 最佳效能FÜREIN DIGITALES RUNDFUNKNETZWERK
    • EP2145410A2
    • 2010-01-20
    • EP08750933.7
    • 2008-05-09
    • Nokia Corporation
    • VARE, JaniVESMA, JussiPEKONEN, HarriAURANEN, Tommi
    • H04H20/16H04H20/28
    • H04H20/16H04H20/28H04H20/42
    • In accordance with an embodiment, a best-effort service is divided into packets for best-effort digital broadcast transmission. The packets are encapsulated with an encapsulation protocol that uses a packet order defining field. The encapsulated packets are inserted into an unused portion of a slot of a digital broadcast transmission frame. Then, the encapsulated packets are repeatedly inserted into the unused portion of the slot of the digital broadcast transmission frame in a packet-carousel fashion. And the transmission frame is digitally broadcast. In accordance with an embodiment, a digital broadcast transmission is received. Encapsulated packets that have been repeatedly broadcast in a packet-carousel fashion are accessed from a best-effort portion of a digital broadcast transmission frame slot. And a best-effort service is composed from the encapsulated packets by combining the encapsulated packets in an order based on a packet order defining field of the encapsulated packets.
    • 根据实施例,尽力而为的服务被分成用于尽力而为的数字广播传输的分组。 这些数据包被封装了一个使用数据包顺序定义字段的封装协议。 封装的分组被插入数字广播传输帧的时隙的未使用部分。 然后,封包的数据包以数据包转盘方式重复插入数字广播传输帧的时隙的未使用部分。 传输帧数字广播。 根据实施例,接收数字广播传输。 已经以分组轮播方式重复广播的封装分组从数字广播传输帧时隙的尽力而为的部分进行访问。 并且通过基于封装分组的分组顺序定义字段的顺序组合封装的分组,由封装的分组组成尽力而为的服务。