Resonance Measurement Signals for your phone

The audio files on this page are meant to be played on your phone, so that you can use the speaker of your phone to inject sound into your mouth, and record the resulting echo in VoceVista Video, which will show you the frequencies of the resonances of your vocal tract.

Click track

Test signal to simulate vocal fry:

Left side

Plays on left channel only:


Right side

Plays on right channel only:



Mono file, plays on both channels:


White noise

Left side

White noise playing on left speaker: