Patent ID: 8325276
Filing Date: 2012-12-04
Classification: H04H,H04N

Abstract:
1. A method of generating synchronization points between a first television broadcast and a second television broadcast, the first television broadcast comprising first modified original content and second television broadcast comprising second modified original content, the first television broadcast and the second television broadcast each further comprising closed caption text data indicative of the content of each television broadcast, respectively, the method comprising: defining a first window encapsulating a number of characters in the closed caption text data of the first television broadcast; defining a second window encapsulating the same number of characters in the closed caption text data of the second television broadcast; comparing each character of the first defined window with the corresponding character in the second defined window; inserting a synchronization point immediately after a last matching character in at least one of the first and second defined windows if one of the characters of the first defined window does not match its corresponding character in the second defined window; identifying time synchronization points based on the comparison; and based on the identified time synchronization points, modifying at least one of the first modified original content and the second modified original content of at least one of the first television broadcast and the second television broadcast.