Video signals in today's environment exist in both the analog domain and the digital domain. In many instances it may be desirable to delete or reduce the effectiveness of a video signal containing analog copy protection signals while the signals are in the digital domain. The invention uses digital...http://www.google.fr/patents/US5953417?utm_source=gb-gplus-shareBrevet US5953417 - Method and apparatus for digitally removing or defeating effects of copy protection signals from a video signal
Method and apparatus for digitally removing or defeating effects of copy ...
