| 摘要 |
Video switching and mix/effecting equipment which performs video switching and mix/effecting by a single circuit configuration on SDTV and HDTV signals. The video switching and processing equipment comprises input converters for converting each of the HDTV signals into a set of low speed HDTV components; a switcher for performing switching so as to select plural sets of signals from the plurality of digital SDTV signals or from a plurality of corresponding components of low speed HDTV components to deliver selected plural sets of signals, the number of the plural sets of signals corresponding to the number of the low speed HDTV components converted from one HDTV signal; a plurality of video/mix effecting circuits provided in correspondence with the number of the low speed HDTV components, for processing the selected plural sets of signals; and an output converter for converting outputs of the low speed HDTV components from the respective video/mix effecting circuit and outputting an output HDTV signal, wherein the plurality of video/mix effecting circuits delivers plural sets of processed video signals of the SDTV signals or a plurality of the corresponding components of low speed HDTV components in accordance with the switching operation of the switcher.
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