Patent ID: 6771885
Filing Date: 2004-08-03
Classification: H04N

Abstract:
A method for controlling a recording device, the method comprising the steps of:generating one or more signatures associated with at least a portion of a desired broadcast program to be recorded by the recording device; and controlling at least one of a start time and an end time of a recording process implemented in the recording device for recording the desired broadcast program, based at least in part on the one or more signatures; wherein a given one of the one or more signatures associated with at least a portion of the desired broadcast program is generated by automatically extracting information from a first actual portion of the broadcast program, the first actual portion being a portion that is recorded by the recording device in recording the desired broadcast program, the extracted information being compared with stored information derived from a second actual portion of the broadcast program, different than the first actual portion, the second actual portion also being a portion that is recorded by the recording device in recording the desired broadcast program.