Hi again,
Have you tried disabling the laptop computer build-in mic?
HT slowed down whenever I plugged in a USB mic (headset in my case). Bought another headset to test, same result. What I mean by sluggish or slowed down was the time it takes for the words to organize itself after advancing to next segment, and the time for the record to start after pushing the record button.
Double clicking the mic icon on the bottom right of HT, I verified that my USB mic was default with the green check. After I disabled the build-in mic, that I found HT ran at the same speed as with only the build-in, ie before plugging the USB mic.
I was running 2.0.121 but after 2.0.127 upgrade, was basically the same.
Another thing. It would be nice to have a bit more gain for the microphone. I have my mic level (set in Sounds) to be maxed and still need to speak with a slightly louder than normal voice to get voice I want in playback. It works well enough, but if at a later revision, that could be addressed, that would be nice. In this way, there is enough play with mic gain for allow for soft spoken readers.
John