Frequency conversion device frame to a receiver high-definition television and motion detection method in a scrambled television image.

摘要

The present invention relates to a device frequency conversion FRAME FOR RECEIVER HDTV CAN RECEIVE INCOMING chrominance signals or luminance signals of different characteristics but equally frame rate AND THAT MAY BE PROVIDED IN OUT A SIGNAL At a frequency different frame. This device consists of: - AT LEAST TWO MEMORIES OF TRAFFICKING (12.12 '') STORING A sampling frequency ROLE OF SAMPLING FREQUENCY SIGNAL INPUT, THE PAIR PLOTS IN A MEMORY AND ODD FRAMES ON another memory; - A DEVICE FOR TREATING input signals Type Still (30) connected to the output MEMORIES FRAME and supplying a signal to the frame rate and number DESIRED LINE; - A DEVICE FOR TREATMENT OF SIGNALS INPUT TYPE DYNAMIC (21) connected alternately AT A MEMORIES OF TRAMA odds and evens by a first switching device (210) and supplying a signal to the frame rate AND DESIRED NUMBER OF LINES; - A second switching device (23) connected respectively in type devices STATIC (30) TYPE AND DYNAMIC (21) DEPENDING ON SIGNAL DATV. APPLICATION IN HDTV.