I have an external parameter that dynamically sets the lowpass frequency of my sounds.
I was hoping there is an easy method to do this in fmod, but the only related per Channel setting I see is setLowPassGain, nothing for cutoff frequency.
Am I reading this right — that fmod does not support dynamic cutoff frequencies per Channel?
- ardonite asked 7 years ago
Lowpass gain taps into the cutoff calculation used for occlusion, if you aren’t using HRTF or geometry occlusion the cutoff frequency = 22050 * lowpassgain * lowpassgain. This setting works for FMOD_HARDWARE and FMOD_SOFTWARE sounds.
Alternatively you can use a lowpass DSP to achieve the same result for FMOD_SOFTWARE only sounds.
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