论文标题

球形谐波域中的双耳音频渲染:数学及其陷阱的摘要

Binaural Audio Rendering in the Spherical Harmonic Domain: A Summary of the Mathematics and its Pitfalls

论文作者

Ahrens, Jens

论文摘要

本文档回顾了声场双耳渲染背后的数学,这些数字可作为球形谐波扩展系数。这个过程也称为双耳型镇压解码。我们强调的是,细节需要一些特殊性,因此必须很好地意识到为某些涉及数量而选择的确切定义,以获得一致的表述。我们还讨论了哪些定义集会产生与最常见的软件工具兼容的Ambisonic信号。

The present document reviews the mathematics behind binaural rendering of sound fields that are available as spherical harmonic expansion coefficients. This process is also known as binaural ambisonic decoding. We highlight that the details entail some amount peculiarity so that one has to be well aware of the precise definitions that are chosen for some of the involved quantities to obtain a consistent formulation. We also discuss what sets of definitions produce ambisonic signals that are compatible with the most common software tools that are available.

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