Two vibrato's with different endings.

Vibrato and tremolo, in sync (1), and out of sync (2).

Seashore's portamentos III and IV.

Seashore's portamentos Va and Vb.

Data from figure and curve fitted.

Data idealizations sheet (2.5,1 and 3,.5).

Voice fragment.

Voice, pitch modulation only (controlling pitch bend of synthesiser).

Voice data and curve fitted.

Fragment of Theremin.

Theremin, pitch modulation only (controlling pitch bend of synthesiser).