Web #audio Editor - #firefox Developer Tools | MDN
▻https://developer.mozilla.org/en-US/docs/Tools/Web_Audio_Editor
With the Web Audio #api, developers create an audio context. Within that context they then construct a number of audio nodes, including:
nodes providing the audio source, such as an oscillator or a data buffer source
nodes performing transformations such as delay and gain
nodes representing the destination of the audio stream, such as the speakers