Node + Web Audio

Click Spacing Lab

Hold a carrier tone, inject one shaped click per dwell, and map the microphone response as click spacing changes.

Status

Idle

One-shot click transient experiment for Chrome, Edge, or another modern browser on Windows.

Sine enabled Carrier frequency

Amplitude 20% L/R balance Center

Waveform

Recent microphone samples

Sweep click spacing while holding carrier frequency fixed

Enable spacing sweep Start spacing

End spacing

Spacing levels

levels

Click delay

Loop spacing sweep Time per level

Click amplitude

Click width

Click count

clicks

Current spacing 1 ms

Level progress 0.0 / 60.0 s

Recorded levels 0 rows

Tune resolution, smoothing, scale, and the displayed heatmap band

FFT size Smoothing 0.75 Display start

Display end

Minimum dB

Maximum dB

Subtract column background Background percentile

Frequency scale

Resolution 23.4 Hz/bin

Visible band 0 Hz to 12.0 kHz

Displayed range -100 dB to -20 dB

Current step frames 0 frames

Background mode Need 2 rows