Patent ID: 9020327
Filing Date: 2015-04-28
Classification: G11B,H04N

Abstract:
1. A method of altering a presentation of content, said method comprising: accessing a digital signal representing said content; receiving and storing a plurality of templates, wherein each template represents a known portion of said content; comparing said digital signal against a portion of said plurality of stored templates; and responsive to a match, generating a control signal operable to alter a component of a presentation of said content, wherein a length of an interval between comparisons of the digital signal to at least one template is a first length for a first period commencing with a match of at least a portion of the digital signal with at least a portion of the templates and ending at a first time, the length of the interval between comparisons of the digital signal to subsequent templates is shortened to a second length shorter than the first length upon the elapse of the first period.