基于互相关理论的音频信号延时估计新方法

The New Method of Audio Signal Delay Estimation Based on the Inter-related Theory

针对延时估计传统算法复杂、不容易实现等问题,研究了基于互相关的时间延迟估计方法及其算法。提出了一种基于互相关理论的音频信号延时估计的新算法,并将其应用到在多路音频信号延时估计中。本文提出的方法大大加快了运算速度,取得了满意的实验结果,为实际多路音频信号延时估计提供了新的方法和理论依据。

This paper describes time delay estimation method and algorithm based on the inter - related theory due to the problems of traditional algorithm such as complexity and implementation difficulties, it presents a new method of audio signal delay estimation based on the inter - related theory, which has been applied in multi -channel audio signal delay estimation. The results show： the method presented in this paper make computing speed faster, and achieve satisfactory results. It provides a new approach and theoretical basis for actual multi -channel audio signal delay estimation.