Other Creates différent frequencies, and measures the audio response amplitude (in arbitrary unit). Can be used to look for an audio resonance (helmotz resonnator or a tube). AR1 yellow all_freq all_amp index temp now first_run temporary freq start_f add_f mult_f length tfull t phase audio_in audio_out_amp audio_out_freq audio_out_duration audio_squared sum

freq sum all_freq all_amp

start_f

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now

index 1

index

index now

temporary

temporary 3 1 0

first_run

first_run 0 freq

all_freq

freq add_f

freq

freq mult_f

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freq 0 start_f

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freq 20000 20000

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freq 20 20

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first_run 1 start_f

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audio_out_freq

audio_in 2

audio_squared

audio_squared

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all_amp

all_freq all_amp