I can't get this to record. I'm sure it's simple, but I can't figure it out. It doesn't matter what source. Even the built in mic from the laptop is selected in system preferences on the Mac and responds correctly when I click "set recording levels" I click audio devices and either check use default device or uncheck it and select the internal mic, either way when I bring up the VU meters it doesn't show any sound. So, I know that the signal is getting to the computer, but not into BIAB. Hope someone has an idea what I'm missing. Thanks. Art