The audio unit of kAudioUnitSubType_VoiceProcessingIO can't query Audio Workgroup

I know the VoiceProcessingIO audio unit will create a aggregate audio device.

But there are error kAudioUnitErr_InvalidProperty (-10789) during getting kAudioOutputUnitProperty_OSWorkgroup property in recent macOS Monterey 12.2.1 or BigSur 11.6.4.

os_workgroup_t workgroup = NULL;

UInt32  sSize;
OSStatus sStatus;

sSize = sizeof(os_workgroup_t);
sStatus = AudioUnitGetProperty(mAudioUnit, kAudioOutputUnitProperty_OSWorkgroup, kAudioUnitScope_Global, 1, &workgroup, &sSize);
if (sStatus != noErr)
{
    NSLog(@"Error %d", sStatus);
}

And the same code works fine on iOS 15.3.1 but not macOS.

Have you any hint to resolve this issue?

The audio unit of kAudioUnitSubType_VoiceProcessingIO can't query Audio Workgroup
 
 
Q