Hello my man! Great to see you here on the site!

I am using the exact same approach as you do and it has been working very well for me.

As with everything in life you just need to be patient, focused and willing to put in the work to improve over time.

Good luck man! =)

@John Ackerberg @Clement Canel Thanks for the insights ;) I'll combine the two approaches i think that's a good start for now.

I feel like for me I hear it once I turn the EQ off because then I hear the missing frequencies jump out and can identify it that way. I'm assuming this isn't really the intended skill though, you're supposed to be training hearing what's missing, not the reverse, but I do feel like I'm still getting genuinely better at it with more training anyway... Maybe that's just from becoming more familiar with the samples though from other games or wholistically training my frequency recognition in general, but either way progress in the real world comes from general experience just as much as it does focused tasks, so if it works it works. I probably spend the most time on the Feedback Eliminator game so I can train pure frequency recognition, but I notice that after spending time on that I do better on the peak tasks so it's all connected. Also, unfortunately, sometimes advancing levels just comes from luck and how difficult of questions you get. Like in Feedback Eliminator, sometimes you get choices that are far spread apart so it's easy to tell it's the highest or lowest one, but other times you get a bunch of frequencies right next to each other and I have to guess more. Just don't worry about it too much and keep putting the time in, you'll improve one way or another. The games aren't all perfectly balanced, but working on them more and more will still help over time.