Signal processing device for processing video signal information by using memory

   
   

A signal processing device having a video signal input, a circuit for processing a video signal, a generating device for generating a character signal, and a memory for storing the video signal to be processed and for storing the character signal generated by the generating device. The processing circuit may include a high-efficiency encoding unit for compressing information of the video signal and encoding the video signal, or a high-efficiency decoding unit for decoding the video signal and expanding the decoded video signal, and the memory has a first area to be accessed by the encoding unit or by the decoding unit and a second area used by the generating device to generate the character signal.

 
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