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Implementation of multi-channel AAC encoder for high quality audio broadcasting

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5 Author(s)
Dae-young Jang ; Broadcasting Media Res. Dept., Electron. & Telecommun. Res. Inst., Taejon, South Korea ; Jeong-il Seo ; Taejin Lee ; Jin-Woo Hong
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In this paper, we describe the implementation of the multi-channel AAC encoder system for digital audio broadcasting. The encoder system is based on MPEG-2/4 advanced audio coding (AAC) and is capable of real-time encoding up to 5.1 channel audio. To give a flexible functionality, it consists of multiple DSPs, IEC61937 and TCP/IP interface and 6 channel audio input facilities. The reference AAC decoder was implemented for verification test of the encoder. The encoder system is also integrated with the AAC streaming system for interoperation test. Through these tests, the encoder system is verified to be a good solution for high quality audio broadcasting.

Published in:

Digital Signal Processing, 2002. DSP 2002. 2002 14th International Conference on  (Volume:2 )

Date of Conference: