attachInterrupt(function, period) to sample analog input

hi all

i trying sample 6 different analog ac inputs in order continuously monitor maximum value of each ac input. @ moment function gets called take sample ac signal once per 'main-loop'. sample rate becomes slow when monitor 6 inputs.

i thinking of using attachinterrupt(function, period) , call every function more regularly time taken run through main loop. would work? there better way of achieving this?

thanks in advance!

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