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FAQ: Half-Life's A3D
Issues
The following is from a news group
posting by Aureal's David Gasior
- We are still waiting on code from Valve so we can look into
helping them fix problems with the original Monster Sound cards.
- Still waiting on code so we can look at the weapon sounds and see
if there is anything we can do to make them brighter.
- We have found, based on demos that people have sent us, that our
original variables were not set to account for many of these levels and weapons. We did
most of our testing with Half-Life: Day One, which does not have many of the levels and
weapons that the retail version does, so we didn't see (or hear) what people were
reporting until we played the retail and got really far into the game.
These console variable changes have
been tested in many of the later levels, along with most of the really kick-ass weapons.
They should be fine for making sure that your weapon sounds don't get drowned out by the
other noises around you. We have tested them on our Vortex 1 and Vortex 2 boards and they
seem to work real nicely.
- s_distance 18
- s_2dvolume 0.88
- s_verbwet 0.15
- s_min_distance 8
- s_refgain 0.34
- Framerate hit when using A3D 2.0 is still a little
high for most people, and we are work at reducing that as much as we can. One of the
problems with Half-Life and the demos we've gotten seems to be that we can run a demo
once, get a really low number for the framerate, then run it again and it and watch it
double. Some sort of caching of textures maybe?I notice that the longer the demo, the
better the framerate gets.
Regardless, if you are suffering a
framerate hit that is unacceptable to you, use the geometry console variable to turn off
geometry processing (what sucks up the host time). This can be done as follows:
You will still retain A3D positional audio,
but on a Vortex 2 card, your framerate should be +/- 2 fps of what DirectSound offers.
Hopefully, we will a new A3D driver release shortly that will start to bring the
framerates back up, even with geom processing.
If you have any questions or comments on
this, please feel free to email David Gasior at dgasior@a3d.com
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