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Beat Mirror Update

Ten Kettles' rhythm trainer Beat Mirror can now detect tempo from different instruments and even whole songs! There is a demo on Instagram of it doing just that on 3 different iOS devices.

What's new in Beat Mirror v2.2.0:

After months knee-deep in the mathiest of math, we're super happy to announce that Beat Mirror's tempo-detection algorithm has been rebuilt from the ground up—and it's a big step forward!

Beat Mirror now detects tempo for a huge variety of instruments and tracks. It's also much more stable and we think you'll be super pleased. Take it for a spin and see what you think.

As always, please don't hesitate to get in touch if you have any questions or comments about Beat Mirror. Just tap the envelope button in the app, or email us directly at alex[at]tenkettles[dot]com. And if you like what you see, a review would be pretty great too. :) Enjoy! -Alex

Reader Comments 4

Seems like it would be tricky to measure tempos while reading from different frequency ranges. Also, most of these tempo detection apps struggle with triplets.

I look forward to running this update through a pretty thorough test to see how it handles syncopations and cool rhythms in 6/8.
I'd be interested to learn how it fairs against you! ;)
Ok. I did a quick test at a few tempos. I put a click (from a separate metronome) into my earbud, and set BeatMirror to expect about 80 BPM. I played combinations of rhythms with 8ths, 16ths and 8th note triplets. I also mixed in shuffled 16ths. No problems!!

I bumped BeatMirror up to 100 BPM and again, improvised some tricky rhythms with triplets, 16ths etc. Again, no hiccups. It tracked perfectly.

Here's the big surprise, I went into quintuplets and it still tracked perfectly. I'm not skilled enough to improvise rhythms with a fast quintuplet grid, but at least it interpreted the steady stream of quints correctly which kind of blows my mind.
I'm seriously impressed to hear it could keep up with you! I let the developer know!

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