发明名称 DIGITAL BROADCAST TRANSMISSION/RECEPTION DEVICE
摘要 Provided is a digital broadcast reception device which can easily cope with a change of a time difference of simultaneous broadcasting and establishment of a new broadcast station and can smoothly switch the simultaneous broadcasting without adding any device requiring an enormous process. The MPEG2 and the MPEG4-AVC used as video signal encoding methods in the ground digital broadcast utilize the characteristic that a code amount is increased as a video signal difference from a preceding frame is increased so as to recognize a code amount for each frame of the broadcast video encoding data of a first broadcast and a second broadcast, and detect an output time difference between the first broadcast and the second broadcast according to the time transition and the internal clock difference. The output time of a video frame and an audio frame of the first broadcast is delayed by the detected output time difference. The first broadcast or the second broadcast is selected according to a predetermined condition so as to be displayed on a display device.
申请公布号 WO2009122668(A1) 申请公布日期 2009.10.08
申请号 WO2009JP01251 申请日期 2009.03.19
申请人 PANASONIC CORPORATION;MITSUTAKE, TOSHIKAZU;SHIMIZU, NORITAKA;FUKUSHIGE, RIE 发明人 MITSUTAKE, TOSHIKAZU;SHIMIZU, NORITAKA;FUKUSHIGE, RIE
分类号 H04N7/173;H04B1/16;H04N5/46;H04N21/41;H04N21/44 主分类号 H04N7/173
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