SYSTEM FOR MULTI CHANNEL MULTI TRACK AUDIO AND AUDIO PROCESSING METHOD THEREOF

摘要

PURPOSE: An audio system having a multi-channel and a multi-track and an audio processing method thereof are provided to prevent sound deterioration of audio objects taking a major role by reducing only data size of the audio objects taking a minor role. CONSTITUTION: An audio system(100) having a multi-channel and a multi-track comprises a multichannel audio mixer(110), channel down-mixers(120-1-120-P), audio encoders(130-1-130-P), and an audio MUX(140). The multichannel audio mixer performs an MIX operation by dividing channels from a multichannel audio object-K to a multichannel audio object-N. The channel down-mixers channel-down mix inputted multichannel audio objects. The audio encoders encode the audio objects channel-down mixed from the channel down mixers, respectively. The audio MUX generates single multi-channel multi-track audio.