发明公开
EP1377962A1 METHOD OF ANALYSING A COMPRESSED SIGNAL FOR THE PRESENCE OR ABSENCE OF INFORMATION CONTENT 审中-公开
程序对压缩信号对信息内容的分析或存在缺失

METHOD OF ANALYSING A COMPRESSED SIGNAL FOR THE PRESENCE OR ABSENCE OF INFORMATION CONTENT
摘要:
Compressed signals contain amplitude data (for example, scale factors in an MPEG frame) which can be examined to enable a decision to be taken on whether the signal contains information or not (e.g. silence in the case of audio or no image in the case of video).
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