![]() In other words, listening to virtual reverberating spaces. Using headphones makes it easier to render spatial audio effects as the listener is always located in the center of the speakersĪs we look beyond traditional reverberation, we will examine various methods for auralization of virtual soundscapes. To achieve this goal, we need to start using the geometry information from the virtual spaces and inform simulation algorithms. This is especially true of early reflections, which carry important perceptual information. While classic reverberation algorithms are able to efficiently increase the density of echoes over time, in the process, we lose the interactivity that would be crucial to convey spatial cues. While binaural algorithms will continue to improve in the future, refining the proximity effect and offering personalized Head Related Transfer Function (HRTF) filters, we also need to ensure that reverberations can carry on these spatial cues well after the initial direct sounds. Thanks to binaural algorithms, we can now perceive the direction of incoming sounds better then ever on headphones. Just as reverberation techniques have evolved in the past to new production needs, virtual reality is currently pushing the limits on how we want to listen to reverberant virtual spaces. In this article, we review some of the current trends in acoustic simulations that can be used to create spatial reverberation effects.Īcoustics simulation of sound propagation on a metal plateĪs we saw in the previous articles, although classic reverberation techniques are still very relevant today, we need to start looking at ways to make them more immersive. In the previous articles, we covered the reasons why immersive reverberations are so challenging in virtual reality and some of the techniques behind classic reverberation algorithms. In this series, we are taking an extensive look at past, current, and emerging reverberation techniques and reviewing them from an immersive and spatial perspective.
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