Jordan's voice occasionally rose in pitch as he answered questions.

Her voice rose in pitch until it was high and shrill.

I heard my own voice rising in pitch and volume.

I think my voice began to rise in pitch.

Gomez's voice rose in pitch and volume with her fear.

When he spoke again, his voice had risen in pitch.

Even so, it seemed to be rising in pitch to an alarming degree.

Always, on these last words, her voice rose in pitch and firmness.

Paul noticed his words speeding up and rising in pitch.

Winters' voice rose in pitch and he began to wave his arms.