It changes my voice just enough to throw off the machines, in case anyone's listening.

I tried to change my voice, tried to gain control of the situation.

He had no intention of changing his voice for the radio.

She could change her voice, he knew, sound like anyone at all.

He'd answer just when I thought she'd have to ask again, to change her voice, make it sound angry.

You should be able to get by if you change your voice a bit.

He would change his voice so it was always hard for her to tell.

We all change our voice to suit the thing that we're talking about.

Or at least have him change his voice and give another name?

He passed himself off as a right-wing voter by changing his voice.