Google’s voice recognition becomes significantly better when using 48 kHz mic

I tried pairing my Pixel 9 to $20 Chinese Lavalier microphone that clips on lapel and Google voice recognition became significantly better on my Pixel. Here's a simple test I did with me reading out part of economist in a quiet room, about 2x reduction in error rate — https://gemini.google.com/share/05db9b22b755 .