Method and apparatus for Improving Mobile Broadcast Quality

Ville Ollikainen (Inventor), Atte Kortekangas (Inventor), Caj Soedergaard (Inventor), Cheng Yuan Peng (Inventor), Seppo Valli (Inventor)

    Research output: PatentPatent application

    Abstract

    The invention increases mobile broadcast reliability by providing effective error concealment and support for instantaneous inter-network hand over. In the invention at least two versions of same content are broadcasted: Full quality version (3) and low quality version (2). Low quality version is transmitted first, while full quality is slightly delayed. In receiver, low quality is stored into a buffer (8) and full quality played back (9) to the user. When there is a disturbance in broadcast reception (5), playback switches to low quality version read from the buffer (8). If the disturbance in broadcast reception continues, a mobile phone network data connection (7) may be established for receiving the content from there.

    Original languageEnglish
    Patent numberWO2009007508 A1
    IPCH04N19/895
    Priority date9/07/07
    Publication statusPublished - 15 Jan 2009
    MoE publication typeNot Eligible

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