Importance

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Abstract

Disclosed is a DAB (Digital Audio Broadcasting) modem interface for receiving multi-channel, which is capable of receiving two channels at once by providing a sub-channel filtering function to the DAB modem interface, and a method of operating the same. The DAB modem interface includes a serial interface for capturing channel data in bit stream data output from the DAB modem, buffer switching means for classifying the channel data captured by the serial interface for each channel and storing the classified channel data in two buffers assigned for each channel, and sub-channel filtering means for performing a sub-channel filtering operation of comparing a channel value acquired from the multimedia processor with a sub-channel ID value acquired in the course of capturing of the channel data, and generating control signals for controlling the serial interface to provide information on two channels to be captured and the buffer switching means to store data into the two buffers.

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First Claim