均匀传播振幅平移虚拟源

Proceedings of the 1999 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics. WASPAA'99 (Cat. No.99TH8452) Pub Date : 1999-10-17 DOI:10.1109/ASPAA.1999.810881

V. Pulkki

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引用次数: 68

摘要

振幅平移虚拟源的感知空间扩展取决于用于产生它们的扬声器的数量。当应用成对或三重平移时，活动扬声器的数量随平移方向的变化而变化。如果在声场中移动，这可能会导致虚拟声源的空间扩展和颜色发生不必要的变化。本文提出了一种使振幅平移虚拟源的定向传播与平移方向无关的方法。这是通过同时将声音信号平移到彼此附近的多个方向来实现的。这形成了一个单一的虚拟源，其恒定的方向传播作为方向的函数。

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Uniform spreading of amplitude panned virtual sources

The perceived spatial spread of amplitude panned virtual sources is dependent on the number of loudspeakers that are used to produce them. When pair-wise or triplet-wise panning is applied, the number of active loudspeakers varies as a function of the panning direction. This may cause unwanted changes in spatial spread and coloration of a virtual source if it is moved in the sound stage. In this paper a method is presented to make the directional spread of amplitude panned virtual sources independent of their panning direction. This is accomplished by panning the sound signal to multiple directions near each other simultaneously. This forms a single virtual source with constant directional spread as a function of direction.

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Proceedings of the 1999 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics. WASPAA'99 (Cat. No.99TH8452)

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