Attenuation, Spatialisation, Occlusion, and The Doppler Effect - UE4 Tutorial

In this tutorial we cover Attenuation, Spatialisation, Occlusion, and the Doppler Effect.

We look at each parameter and what they do, and look at where and how we can use these effects in-game.

00:00 Start
01:58 Attenuation
06:00 Spatialisation
09:55 Occlusion
13:34 Complex Mesh Occlusion
14:41 The Doppler Effect

Title music by Valkyrie Sound

Attribution:

Credits:

Visual Assets from Epic Games, Synty Studios, and Bad Rhino Games

Millennium Falcon model and textures by Stym on sketchfab.com
Azimuth graphic by TWCarlson (found on Wikipedia: en.wikipedia.org/wiki/Azimuth)
Doppler gif: Lookang many thanks to Fu-Kwun Hwang and author of Easy Java Simulation = Francisco Esquembre – Own work: en.wikipedia.org/wiki/Doppler_effect#/media/Fil…
House Photo by Ярослав Алексеенко on Unsplash
Eagle Photo by Steve Smith on Unsplash
Waterfall Photo by Mike Lewis HeadSmart Media on Unsplash
Machine Cogs Photo by Isis França on Unsplash
Vegetables Photo by Charles Deluvio on Unsplash
Speakers Photo by Ikhsan Sugiarto on Unsplash
Archery Target Photo by NeONBRAND on Unsplash
Smiling Lady Photo by Huyen Nguyen on Unsplash
40 Year Old Man Photo by Jonas Kakaroto on Unsplash
Crowd Photo by Dimitar Belchev on Unsplash
Everyday Life Photo by Toa Heftiba on Unsplash
Alcohol Photo by Adam Wilson on Unsplash
Mountain Photo by Andreas Gäbler on Unsplash
Simple and Complex Mesh from the Unreal Engine Manual

Website References:
Unreal Engine Manual docs.unrealengine.com/en-US/Engine/Audio/Distan…
soundonsound.com/sound-advice/q-why-signal-loud…
en.wikipedia.org/wiki/Pan_law
en.wikipedia.org/wiki/Panning_(audio)
cs.cmu.edu/~music/icm-online/readings/panlaws/
widex.com/en-us/blog/human-hearing-range-what-c…
decibelhearing.com/hearing-loss-overview/high-f…
youtube.com/watch?v=PAsMlDptjx8&feature=emb… – warning, do not have this too high. Some of the frequencies made me squirm

YouTube References:
youtube.com/watch?v=lLUcOFwZvyY
youtube.com/watch?v=PTd8r4p7l4g
youtube.com/watch?v=y7TcosmxL7E

Media References:
Death Proof, 2007, Dir. Quentin Tarantino, Production Company Troublemaker Studios, Distributed by Dimension Films
Grand Theft Auto 5, 2013, Developed by Rockstar North, Published by Rockstar Games