public static float[] GetSpeakersChannelsPeakValues()
{
// get the speakers (1st render + multimedia) device
var deviceEnumerator = (IMMDeviceEnumerator)(new MMDeviceEnumerator());
deviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia, out IMMDevice speakers);
if (speakers == null)
return new float[0];
// get meter information
speakers.Activate(typeof(IAudioMeterInformation).GUID, 0, IntPtr.Zero, out object o);
var meter = (IAudioMeterInformation)o;
if (meter == null)
return new float[0];
meter.GetMeteringChannelCount(out var count);
if (count == 0)
return new float[0];
var values = new float[count];
meter.GetChannelsPeakValues(count, values);
return values;
}
public static IEnumerable<AudioSession> EnumerateAll()
