A video signal input-output circuit and a recording-reproduction apparatus in which a digitally compressed video signal input in packet form can be recorded and reproduced efficiently and in stable fashion. In this apparatus, a clock reference is detected from a packet signal containing the clock reference...http://www.google.de/patents/US6600870?utm_source=gb-gplus-sharePatent US6600870 - Input-output circuit, recording apparatus and reproduction apparatus for digital video signal
