by Ricardo Fernández Serrata
Shows a notification with tempo of detected sound beats and pulses from the environment.
Measures the period between the last 2 detected beats, converts that interval to BPM units and stores those in a buffer.
It stores a maximum of 6 samples (6 BPM readings from 12 beats) in the buffer. The ongoing notification shows the average Beats Per Minute based on the buffer samples.
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