Press play button to play noise.
While playing, play button turns into stop button. Press stop button to stop noise.
A graph on top left is obtained from BiquadFilterNode.getFrequencyResponse
.
Black line is magnitude in decibel. Numbers on left (-24 to 18) indicates decibel.
Blue line is phase in degree. Numbers on right (-135 to 180) indicates degree. If the phase is below -180 or above 180, it will be wrapped by modulo operator.
Numbers on bottom (20 to 20000) indicates frequency. X axis is in log scale.