Patent ID: 7870391
Filing Date: 2011-01-11
Classification: G11B,H04N

Abstract:
1. A mobile communication terminal having a function of managing multimedia data, comprising: a main memory including a multimedia database to store the multimedia data; a signal processor to convert the multimedia data stored in the main memory into data of a format suitable to be output to a display of the mobile communication terminal; a back_end chip which processes the multimedia data outputted from the signal processor, stores digest information of multimedia data in a first sub-memory upon occurrence of an update event of the multimedia data, and provides the stored digest information upon receiving a signal of requesting the digest information to be synchronized; and a front_end chip including a controller which controls the mobile communication terminal, requests the digest information stored in the first sub-memory of the back_end chip, compares and synchronizes the digest information offered from the back_end chip and digest information stored in advance in a second sub-memory of the front_end chip, wherein the front_end chip updates the second sub-memory to store the digest information offered from the back_end chip if the digest information offered from the back_end chip is different from the digest information stored in advance in the second sub-memory.