I am trying to downsample an individual wave file in Fmod Designer, and I’m experiencing some weirdness.
In my bank I have "Optimize sample rate" set to "Yes" and my compression type set to XMA (as I’m working on the 360). All my source files are at 44kHz 16bit.
When I right-click on an individual wave file and select "Adjust sample rate optimization", I see the check box is ticked "Enable Optimizer" which seems correct, and above that is printed "Rate: 44kHz." And the slider is at position "Use optimized rate". I assume this means the optimized rate is 44kHz. Is this correct?
It seems the only way to get the "Rate: 44kHz" data to display above the slider is to first press the Play button. Is that intended?
The most confusing issue is however, if I drag the slider down to downsample the sound, the "Rate: 44kHz"does not really degrade the way I’d expect it too. Here is what I get:
use optimized rate = 44.100kHz
99% of optimized = 44.100kHz
98% of optimized = 44.100kHz
97% of optimized = 32kHz
96% of optimized = 32kHz
90% of optimized = 32kHz
80% of optimized = 32kHz
70% of optimized = 32kHz
40% of optimized = 32kHz
20% of optimized = 32kHz
8% of optimized = 32kHz (8% is the bottom of the slider)
Is this intended or am I correct in expecting to the rate to degrade in proportion to the percentage?
As a side note, when I press the play button under the slider to preview the sound at the new sample rate, I hear no difference at any of the slider positions. Not even when it’s supposed to be playing at "8% of optimized rate".
Many thanks for your assistance!
- Northerly asked 10 years ago
No worries. The problem does indeed go away when I set the compression type to PCM or MP2.[/quote:25vrwfld]
Just letting you know, we are investigating whether a fix is needed when auditioning XMA.
[quote="Northerly":17mpyqsp]Any update on this?
It has been briefly discussed, we assume it might have some to do with a dependence for XMA hardware. At this point, the problem has been logged, and a more detailed investigation will be undertaken soon(ish).
- templar answered 9 years ago
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