发明名称 |
metodo e sistema de identificacao em tempo real de uma propaganda audiovisual em um fluxo de dados |
摘要 |
Method and system of identification of at least one audiovisual advertisement in a data stream, such as a digital television broadcasting, by detecting energy drops in an audio stream of the data stream and comparing a segment of the audio stream starting at the energy drop with an audio segment of the advertisement. The comparison step requires only a few seconds of data to perform the detection. Therefore, the identification of the advertisement is provided before the end of the advertisement in the data stream. |
申请公布号 |
BRPI0921622(A2) |
申请公布日期 |
2016.01.05 |
申请号 |
BR2009PI21622 |
申请日期 |
2009.11.02 |
申请人 |
TELEFONICA, S.A. |
发明人 |
DAVID CONEJER OLESTI;HELENCA DUXANS BARROBES;URTZI URDAPILLETA ROY;XAVIER ANGUERA MIRO |
分类号 |
H04H20/14;H04H60/37;H04H60/58 |
主分类号 |
H04H20/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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