The DirectoTalk Sender application records audio from your microphone and sends it to the given IP or network address. DirectoTalk receiver needs to be installed on the receiver side to output the signal to the speaker.

The DirectoTalk Receiver application plays audio received from the network. To hear audio, target the receiver machine with a DirectoTalk sender app.

This is a demo where an audio graph gets rendered based on a music file. Library used: https://github.com/katspaugh/wavesurfer.js

Different JavaScript audio graph examples.