I've been using QC35s with a Macbook for a long while and thanks to your comment I finally understand why sometime the headphones would switch to a different "mode" where there is a lot of hissing in the background and the button (which I have configured to switch NR levels) wouldn't do anything.
Super interesting, thank you!
So apparently this "mode" comes from the headphones switching to HFP. Interesting that in this mode the left button presses are ignored...
I'll try to notice when it's doing this. I have the feeling it's when I am on a call but not all programs do that. I use Slack, Facetime, and sometimes Google Meet via Chrome. I'm pretty confident only some of these trigger the switch, and whenever the call ends the phones go back to A2DP.
It's absolutely infuriating that there's no easy way to configure this. I'd love to be able to turn off HFP altogether to always ensure that I use an external mic.
Instead every app seems to figure out their own behavior for this.
Super interesting, thank you!
So apparently this "mode" comes from the headphones switching to HFP. Interesting that in this mode the left button presses are ignored...
I'll try to notice when it's doing this. I have the feeling it's when I am on a call but not all programs do that. I use Slack, Facetime, and sometimes Google Meet via Chrome. I'm pretty confident only some of these trigger the switch, and whenever the call ends the phones go back to A2DP.