Fixed-point analysis and simulations of AC-3 algorithm

Proceedings of 1997 Workshop on Applications of Signal Processing to Audio and Acoustics Pub Date : 1997-10-19 DOI:10.1109/ASPAA.1997.625585

Il-Taek Lim, J. Bahn

引用次数: 0

Abstract

We perform a fixed-point analysis for the Dolby AC-3 audio decoding algorithm, and determine the suitable multiplier wordlength (say, N) satisfying the required sound quality. Then, based on the similar simulations, we try to reduce the accumulator wordlength from the usual (8+2N) to (g+N+r) where g is the wordlength for overflow guard bits and r is the wordlength for rounding with the condition r

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AC-3算法的定点分析与仿真

我们对杜比AC-3音频解码算法进行定点分析，并确定满足所需音质的合适乘法器字长(例如，N)。然后，基于类似的模拟，我们尝试将累加器的字长从通常的(8+2N)减少到(g+N+r)，其中g是溢出保护位的字长，r是在条件r

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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