WAVE · the audio signal plane
Your audio.
Its Fourier truth. Visible.
A governed DSP chain across 12 nodes: echo-cancel, noise-suppress, EQ, compressor, de-esser, AGC, limiter, with a live spectrum at every node. This page is the demo: the signal below is running right now.
live spectrogramsynthetic demo · mic off
🎙 enable mic
AEC off (raw mic)
+ noise suppress
+ low-cut 80 Hz
+ wavelet denoise
waveformthe signal in time
the chainthe signal pulses through 12 nodes
input0→DC remove1→high-pass2→echo-cancel3→noise-suppress4→EQ5→compressor6→expander7→de-esser8→AGC9→limiter10→output11
LUFS-16.0
true peak-1.0 dBTP
Fourier1822any signal = a sum of sinusoidsGabor1946the short-time windowNyquist–Shannon1928/49sample at >2BCooley–Tukey1965the FFT, O(n log n)Hilbert1900sanalytic signal · phaseWiener1949the optimal filterCepstrum1963pitch + spectral envelopeDaubechies1992waveletsZölzer1997the DSP canonAEC3Bell Labsecho cancellation
$ curl -s https://audio.wave.online/v1/audio/taps/live
{"bins":[101,108,100,103,100,97,109,103,100,99,99,84,89,82,97,92,99,98,96,96,97,91,93,96,97,95,95,97,95,96,104,94,95,101,96,91,93,99,95,102,97,100,91,93,95,95,97,95,95,96,87,84,94,82,93,85,90,91,96,99,90,92,98,96],"pitch":0,"at":1788160215125}
# the same tap this page polls every 500ms for the live spectrum aboveaudio.wave.online