mary meng wrote:
HI :
i found a lot of good featured at the java3D Sound. But i wonder does it
real deliver sound reverberation and 3D audio? so far ven javaSound
cannot
make the achivement of sound echos. Can anybody give me some information
about this? Since i would very much like to use it to implement realistic
envionmental sound.
Its terrible, and full of bugs that have not been solved the last releases.
It doesn't seem like they focus much on the sound side.
It cant even render stereo sound decently, when you hear a sound which
is right next to you and you are moving it will be heard twice; first in
the channel next to the sound and after a (too big) delay it will start
play in the other channel. If you have a static sound and try to turn
your avatar around you will hear volume in each channel change in a
strange maner. Trully terrible. Java3D is NOT capable of rendering
stereosound usable in ANY way. Forget about all those nice features it
boost about they can't even play the simplest sound right.
As for headphones it is worse. If you hear a sound to your left it some
times is only played in the left channel even though the volume of the
sound is being quite large. This may work for loudspeakers but useless
for headphone rendering. In reality if you stand next to a
airplane-engine imagine only hearing it in the ear closest to the
engine! When turning towards the soundsource the sound gets louder and
louder but only in one channel. When you are very close to facing it the
other channel starts to set in, but with a delay as if your virtual ears
was many meters apart. And the volume becomes way too low. Imagine the
airplane engine again; you dont need earplugs if only you make sure to
face it even at 160dB!! But turn 5 degrees left and your left ear is
smashed.
In short: I think Sun fired the Java3D guys who worked on the sound some
releases ago.
I have been using the 3D sound system alot since juli 2000, my
observations are coming from hundreds of hours working with it.
Regards
Nikolai
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