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首页> 外文会议>IEEE International Conference on Acoustics, Speech and Signal Processing >Time Domain Velocity Vector for Retracing the Multipath Propagation
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Time Domain Velocity Vector for Retracing the Multipath Propagation

机译：用于追踪多径传播的时域速度矢量

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摘要

We propose a conceptually and computationally simple form of sound velocity that offers a readable view of the interference between direct and indirect sound waves. Unlike most approaches in the literature, it jointly exploits both active and reactive sound intensity measurements, as typically derived from a first order ambisonics recording. This representation has a potential both as a valuable tool for directly analyzing sound multipath propagation, as well as being a new spatial feature format for machine learning algorithms in audio and acoustics. As a showcase, we demonstrate that the Direction-of-Arrival and the range of a sound source can be estimated as a development of this approach. To the best knowledge of the authors, this is the first time that range is estimated from an ambisonics recording.
机译：我们提出了一种概念上和计算上简单的声速形式，它提供了对直接声波和间接声波之间的干扰的可读视图。与文献中的大多数方法不同，它通常采用主动和被动声强测量，这通常是从一阶混响录音中得出的。这种表示形式既有潜力作为直接分析声音多径传播的有价值的工具，又有可能成为音频和声学中机器学习算法的新空间特征格式。作为展示，我们演示了可以通过这种方法的发展来估计到达方向和声源的范围。据作者所知，这是第一次从歧义录音估计范围。

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