When listening to music off my phone via Bluetooth in my car, the pitch will regularly fluctuate. The whole track will just go sharp or flat for maybe 20-30 seconds at a time before changing again.
I’ve found lots of commentary about causes and fixes online, but I’m really curious how the signal changes pitch. Does anyone here know?
I’m not looking for a fix, to be clear. I can’t find anything from curious audio nerds about what in the tech would result in a change in pitch as opposed to drop outs, distortion, skipping, etc.
Some kind of error between sample rate when sent vs when received?