[Openal] Frequency & Pitch Shifter attribute bounds...

aconstantin alex.constantin at yahoo.com
Mon Jun 16 09:14:46 PDT 2008


Hi.

I have a C# project, using the Tao Framework for openAL support, that loads
a .wav file & applies various effects to it. Echo, Reverb & Flanger work
fine within the bounds the EFX Guide gives , but I get errors when trying to
set : 

- AL_FREQUENCY_SHIFTER_FREQUENCY larger than 1.0f (and it's said to go up to
24000.0f)
within this small range [0.0f,1.0f] I can't hear any difference in the
output.

- PITCH_SHIFTER_COARSE_TUNE different than 0 or 1 (and it's said to work
through [-12,12])  (_SHIFTER_FINE_TUNE works ok, but only changing the
semitone by 1 is not enough to notice a difference).

Anyone know what's going on ?


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