Thanks. I found that and use it just fine. I was wondering if there is a 
separate parameter to match the transpose control in AU Lab.  

Brad

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On June 3, 2016 at 18:30:48, Douglas Scott 
([email protected](mailto:[email protected])) wrote:

>  
> From AudioUnitParameters.h:  
>  
> // Parameters for the AUSampler unit  
> CF_ENUM(AudioUnitParameterID) {
> // Global, dB, -90->12, 0
> kAUSamplerParam_Gain = 900,
>  
> // Global, Semitones, -24->24, 0  
> kAUSamplerParam_CoarseTuning = 901,
>  
> // Global, Cents, -99->99, 0  
> kAUSamplerParam_FineTuning = 902,
>  
> // Global, -1.0->1.0, 0  
> kAUSamplerParam_Pan = 903
> };
>  
> > On Jun 3, 2016, at 1:31 AM, Brad Howes 
> > <[email protected](mailto:[email protected])> wrote:  
> > Hi,
> >  
> > I’m looking for a way to dynamically change the octave or transpose setting 
> > for the AUSampler AudioUnit. Is this possible? If so, what are the magic 
> > parameter constants? Thanks!
> >  
> > Brad
> >  
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