I am not an expert on audio or editing, so I apologize in advance if this is not as accurate as it could be.
I have used audacity 2.1.2 for several months now to flawlessly record audio for my podcast. For the last 3 episodes, at some point (usually 6 - 7 minutes into my recording) the audio shifts in pitch. So, when I listen to the finished recording, it sounds perfectly normal through the first 6 or 7 minutes but then magically shifts to much lower pitch. I sound like I have a much deeper voice. I can fix this by going in and splitting the track at the change and shifting the pitch back up, but why is this happening. Any help would be appreciated.
Using a Yahama MG10 mixer to record into an HP Pavilion running Windows 10 and Audacity 2.1.2.