Samsung Electronics Co., Ltd.

Ki-Mo Kim

Tae-young Lee

A digital audio data output device having first and second post-processors that process received digital audio data in parallel. Each processor includes a mixer unit that processes received digital audio data on the fly in response to a channel mode control signal, and a volume control unit that adjusts volume level of output of the mixer unit on the fly in response to a volume level control signal. Each mixer unit includes first and second buffers that can respectively store first and second channel data, a calculator that calculates mix data from the outputs of the buffers, a third buffer that stores the mix data, and an output unit. The output unit selects and outputs one of the received digital audio data, the output of the first buffer, the output of the second buffer, the mix data, and output of the third buffer, as the output of the mixer unit.

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Seoul, South Korea

Ki-Mo Kim