In a system for receiving and storing data representative of a plurality of broadcast television progams, an implementation for locating replacement portions for defective portions of stored programs from other broadcasts of corresponding television programs

摘要

A computer controlled interactive television system comprising receiving apparatus for and storing a transmitted data stream representative of television programs of defined duration originally broadcast at defined times comprising apparatus for receiving and storing the transmitted data, a television display in combination with apparatus enabling a user to select the presentation of one of said stored television programs on the television display and apparatus responsive to a user selection of a stored program for presenting the selected television program on the television display. This is representative of a standard PVR or DVR operation. The invention then provides apparatus for detecting a defective transmission of at least a portion of a received television program, combined with apparatus, responsive to the detection of the defective transmission of a received television program, for locating another broadcast of the defectively transmitted television program together with apparatus for transmitting a substitute portion of the another broadcasted program corresponding to the defectively transmitted portion and apparatus for replacing the defectively transmitted portion with said substitute portion in the stored defectively transmitted television program.