SYSTEM AND METHOD FOR HIGH SPEED CONVERSION OF PROGRAM IN DIGITAL BROADCAST RECEIVER

A system and a method for high speed conversion of a program in a digital broadcast receiver are provided to analyze program information in advance and supply a key frame when watching/changing a program, and to analyze a plurality of programs and find the key frame at the same time, thereby reducing service incapable time and minimizing inconvenience of a user. A system for high speed conversion of a program comprises a key frame acquisition unit(405), a program list renewing unit, and a program information analyzing unit. The program information analyzing unit receives and analyzes program related information contained in a renewed conversion prediction program list. The program information analyzing unit has a program list acquisition part, a program analysis and key frame provider(403), and a key frame acquisition part. The program analysis and key frame provider analyzes the conversion prediction program and provides the key frame of the conversion prediction program. The program list acquisition part includes an adjacent program acquisition device(409), a user preferable program managing device(411), and a program list acquisition device(413).