Efficient Transient Signal Detection in Spatial Cue Based Multi-Channel Audio Coding

Byunghwan Lee, Minsoo Hahn, Kwangki Kim, Jinsul Kim
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引用次数: 2

Abstract

This paper proposed the method that can efficiently detect the transient component existing in the multi-channel audio signal and accordingly extract spatial cues in order to improve the performance of the spatial cue based multi-channel audio coding. The proposed transient signal detection algorithm was implemented to use energy as well as the input signal envelope so as to successfully detect both the general transient signal and the long-duration transient signal. And it was found that the proposed method detected the transient signal more efficiently than the transient detection method using only the existing envelope through the detection of the actual transient signal.
基于空间线索的多通道音频编码的高效瞬态信号检测
为了提高基于空间线索的多通道音频编码的性能,本文提出了一种能够有效检测多通道音频信号中存在的瞬态分量并相应提取空间线索的方法。所提出的暂态信号检测算法利用能量和输入信号包络来成功检测一般暂态信号和长持续时间暂态信号。通过对实际暂态信号的检测,发现该方法比仅使用现有包络的暂态检测方法更有效地检测到暂态信号。
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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