实现高质量音频广播的多通道AAC编码器

2002 14th International Conference on Digital Signal Processing Proceedings. DSP 2002 (Cat. No.02TH8628) Pub Date : 2002-11-07 DOI:10.1109/ICDSP.2002.1028220

Dae-young Jang, Jeongil Seo, Taejin Lee, Jin-Woo Hong, Kyeongok Kang

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引用次数: 0

摘要

本文介绍了用于数字音频广播的多通道AAC编码器系统的实现。编码器系统基于MPEG-2/4高级音频编码(AAC)，能够实时编码5.1声道音频。为了提供灵活的功能，它由多个dsp, IEC61937和TCP/IP接口以及6通道音频输入设施组成。实现了参考AAC解码器，对编码器进行了验证测试。编码器系统还与AAC流系统集成，进行互操作测试。通过这些测试，验证了该编码器系统是高质量音频广播的良好解决方案。

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

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.

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2002 14th International Conference on Digital Signal Processing Proceedings. DSP 2002 (Cat. No.02TH8628)

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