Efficient dataflow representation of MPEG-1 audio (layer III) decoder algorithm with controlled global states

1999 IEEE Workshop on Signal Processing Systems. SiPS 99. Design and Implementation (Cat. No.99TH8461) Pub Date : 1999-10-20 DOI:10.1109/SIPS.1999.822339

Chanik Park, Jaewoong Chung, S. Ha

引用次数: 12

Abstract

We present an efficient dataflow representation of MPEG-1 Audio (Layer III) Decoder (MP3) algorithm with controlled global states. Although dataflow graph has been a successful representation language for DSP applications, lack of global states makes it unsuitable to some applications that require periodic parameter update and dynamic behavior of function blocks. We show the global states can solve these problems and be fused into dataflow graph without any side effect. With a real-life example such as MP3 decoder, we present the novelty and usefulness of our approach.

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具有控制全局状态的MPEG-1音频(第三层)解码器算法的高效数据流表示

提出了一种具有全局状态控制的MPEG-1 Audio (Layer III) Decoder (MP3)算法的高效数据流表示。虽然数据流图已经成为DSP应用的一种成功的表示语言，但缺乏全局状态使得它不适合一些需要周期性参数更新和功能块动态行为的应用。我们证明了全局状态可以解决这些问题，并在没有任何副作用的情况下融合到数据流图中。通过一个现实生活中的例子，例如MP3解码器，我们展示了我们的方法的新颖性和实用性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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1999 IEEE Workshop on Signal Processing Systems. SiPS 99. Design and Implementation (Cat. No.99TH8461)

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