Hi, Warren,
What i need is not just "playback stereo "Background" sounds". I DO need
SPATIAL rendering. I need a midi sound associated with an object on 3D
scene.
> QUESTION: Does ANY application writer see a need for SPATIAL rendering of
> a MIDI file, and feels it critical to have support for "PointSound" or
> "ConeSound" using a MediaContainer with MIDI data???
Well, though i didn't liked that tripled question mark at the end of
your sentence, i'll explain my point. When Java3D program is run as
applet it is crucial to have downloadable part as small as possible.
Now, correct me if i'm wrong, but 6 min. of midi takes no more than
100Kb (or even less, depending on quality), while 15sec of wav of the
worst possible quality (which no one would ever dare to release with
final version of the product) is _at least_ 100Kb in size. As to the
question where such support is critical (at least i need it right now)
here is the answer: in games. Eg, the action takes place at bar with
that machine (sorry , forgot its name) that plays different CDs when u
feed it with some money. And i want the volume of the melody that pours
down from the machine be dependent on the distance from camera
(ViewPoint) which can move around the bar. It's obvious that quality of
the sound should be quite good; moreover, the melody should be of normal
length (at least 3 min); and finally there should be 3 or 4 _different_
melodies at least. Now, in midi format all the sounds would take 400Kb
(at the VERYYYY most). As to wav, it would be 4MB (at the
VEEERRRRRYYYYYYY least).
And it's not such game where this could be necessary. Moreover i DO
can't see any problems in implementing this feature in Java3D. Why not?
This would make Java3D only better.
Actually i could possibly have lived even with wavs, if only Java3D had
supported MPEG3 coding. But, alas! It doesn't!
So far i can't see any other way out of the problem except for
implementing midi support into Java3D library.
Regards,
vladimir
Warren Dale wrote:
>
> Vladimir
> Sun does not have any plan in the near future to support MIDI files
> in their released implementations of Java3D AudioDevices. There is nothing
> technically stopping Sun or any other Java3D AudioDevice implementor from
> supporting MIDI.
> If you simply want to playback stereo "Background" sounds I suggest you use
> one of the other Java mechanisms to achieve this. (The coming JavaSound API
> will work very well within a primaraly Java3D app.)
>
> QUESTION: Does ANY application writer see a need for SPATIAL rendering of
> a MIDI file, and feels it critical to have support for "PointSound" or
> "ConeSound" using a MediaContainer with MIDI data???
>
> Warren Dale
> Sun Microsystems
>
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