Linearity of Windows volume APIs – IAudioMeterInformation and full-scale signals

We have talked about some of the volume APIs Windows exposes. We have also talked about what it means for a volume control to be linear in magnitude, linear in power, or linear in dB. The attachment to this blog post contains: An app I wrote to exercise the IAudioStreamVolume, ISimpleAudioVolume, IChannelAudioVolume, and IAudioEndpointVolume APIs…