Patent ID: 8228441
Filing Date: 2012-07-24
Classification: H04H,H04N

Abstract:
1. A method for changing broadcast channels in a digital broadcasting receiver, the method comprising the steps of: outputting and displaying broadcast data of an initial channel stored in a buffer; when a broadcast channel is changed, receiving and deinterleaving broadcast data of the changed channel and storing the deinterleaved broadcast data in the buffer; and stopping output of the broadcast data of the initial channel from the buffer and outputting the broadcast data of the changed channel from the buffer, when an amount of the broadcast data of the changed channel stored in the buffer reaches a buffering size that is dynamically set on a per-channel basis in accordance with an m-value that is recognized through Code Division Multiplexing (CDM) configuration information of a pilot channel of the changed channel, wherein the m-value relates to an interleaving depth of the broadcast data of the changed channel and as the m-value increases, an interleaving process for the broadcast data of the changed channel is performed more frequently; wherein the broadcast data of the initial channel before a channel switching stored in the buffer are continuously displayed until the broadcast data of the changed channel is displayed such that image discontinuity during the channel switching is attenuated.