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Design and Development of T-DMB Multichannel Audio Service System Based on Spatial Audio Coding

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Executive Summary

In this paper, a Terrestrial Digital Multimedia Broadcasting (T-DMB) multichannel audio broadcasting system based on spatial audio coding is presented. The proposed system provides realistic multichannel audio service via T-DMB with a small increase of data rate as well as backward compatibility with the conventional stereo-based T-DMB player. To reduce the data rate for additional multichannel audio signals, the authors compress the multichannel audio signals using the sound source location cue coding algorithm, which is an efficient parametric multichannel audio compression technique.

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