Node + Web Audio

Click Width Lab

Hold a carrier tone, inject one shaped click per dwell, and map the microphone response as click width 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 width while holding carrier frequency fixed

Enable width sweep Start width

End width

Width levels

levels

Click delay

Loop width sweep Time per level

Drop depth

Click count

clicks

Click spacing

Current width 0.05 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