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PickupArtist




Posts: 9710
PostPosted: Fri, 11th Dec 2020 00:39    Post subject: EAX sound emulation for old games
I came accross this plugin on a modding forum

https://steamcommunity.com/sharedfiles/filedetails/?id=2292412423

This fix is not neccessary if you have a Creative soundcard with Alchemy.

Even without a surround sound setup, this massively improves the audio through the HRTF function in the plugin.

This will re implement proper surround sound audio propagation that i haven't been able to get working otherwise, the full list of EAX audio advantages is massive, and it would seem most of these don't work without DirectSound emulation which is what this does essentially.

EAX 1.0

8 simultaneous voices processable in hardware
32 individual 3D voices
Environmental Effect Presets
Per-channel individual environmental presets
Hardware DSP rendering[2]
Specification released in 1998

EAX 2.0

32 simultaneous voices processable in hardware
Occlusion Effects
Material-specific reverb parameters[3]
Specification released in 1999

EAX 3.0

64 simultaneous voices processable in hardware
'Smoothing' between 3D audio environments
Direct access to all reverb parameters
Environmental Panning
New reverb engine
Beginning of the AdvancedHD Designation from new reverb engine

EAX 4.0

Real-time hardware effects
Multiple simultaneous environments
Flanger
Echo
Distortion
Ring modulation effects[4][5][6]


settings recommend for Project Reality. ( Tweak how you like)

[General]
channels=
frequency=44100
stereo-mode=
cf_level=0
sources=256
slots=64
sends=16
sample-type=float32
resampler=linear
default-hrtf=Built-In 44100hz
hrtf=true
drivers="-dsound,"
period_size=1024
periods=3

[reverb]
boost=2

When this is working properly it will be immediately noticeable the sound difference


Next up, someone have a a3d emulator ? (put on headphones for the video )




sound in videogames really took a nosedive since vista and when creative bought out a3d to kill the api and push their inferior eax Sad Devs stopped trying to make sound a gameplay element, like thief with eax tried and succeeded
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