DLSMusicDevice and reverb
DLSMusicDevice and reverb
- Subject: DLSMusicDevice and reverb
- From: "E. Tejkowski" <email@hidden>
- Date: Sat, 18 Nov 2006 16:52:17 -0600
I have seen it mentioned that by default the built-in internal reverb
of the DLSMusicSynth is active. I've also seen code in more than one
place that shows how to deactivate it. Why is that when I omit the
line to deactivate the reverb, I not only don't hear reverb, I hear
nothing coming from my DLSSynth? Also, what parameters does the
default reverb have and how I can access them?
Below is some pseudocode showing what I am doing:
err = NewAUGraph
err = AUGraphNewNode(graph, description, 0, 0, synthNode)//dlsSynth
err = AUGraphNewNode(graph, description, 0, 0, outputNode)//output
err = AUGraphConnectNodeInput(graph,synthNode,1,outputNode,0)//
connect dls to output
err = AUGraphUpdate(graph)
err = AUGraphOpen(graph)
err = AUGraphInitialize(graph)
// Turn off the reverb on the synth
err = AUGraphGetNodeInfo (graph, synthNode, 0,0,0, synthUnit)
usesReverb = 0
//THIS NEXT LINE IS THE LINE THAT I OMIT, WHICH GIVES ME SILENCE
err = AudioUnitSetProperty(synthUnit,
kMusicDeviceProperty_UsesInternalReverb, kAudioUnitScope_Global, 0,
usesReverb, 4)
// Start playing
err = AUGraphStart(graph)
Thanks,
Erick
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