Some models are made in two parts to facilitate storage, and this design also allows pitch variation.

The device's main ability was that it enabled the dissociation of pitch variation from time variation.

It also lets the player rest the palm on the bridge, without the worry of unwanted pitch variation as a result.

What can we observe when we study pitch variations?

Wow is a relatively slow form of flutter (pitch variation) which can affect both gramophone records and tape recorders.

Obviously, the more eccentric the positioning, the greater the pitch variation.

The greatest pitch variations are not caused by the approach and recession of the spinning blade at all.

This variation in its own rapid rate of spin is what produces the pitch variation.

One of the tests dealt with Monica's difficulties in discriminating pitch variations in sequential notes.

This is because pitch variations in speech are very coarse compared with those used in music.