Fast analog input scanning

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remcoh

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Hi, I am building a midi xylophone with a teensy 3.5.
Currently I pol all the analog ports with analogRead to check if the value is above a treshold.
If it is, I monitor it until I see the highest peak.

Now i read something about analog comparators, could this be a faster method?
How would that work?

Regards Remco
 
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