Example uses of the 3-port junction

Tone holes in acoustic wind instruments: three connected tubes, with the finger hole being a very short branch off the main bore (Douglas Keefe). The bifurcation at the velum in the human vocal tract: simulating the oral and nasal airways (P. Cook). The bifurcations of the trachea to the left and right bronchi: simulating the avian syrinx (Tamara Smyth).

Figure 12: Syrinx