He spoke in French, and she started slightly at his voice.
You listen and know that this is not Frank at his best voice ever but it doesn't matter.
She started a little at his voice behind her, and turning was more startled still.
He started at her voice, and leaped up from his seat.
Neil's head shot up at the sound of his friend and colleague's voice.
When I mentioned the photos, she started at my voice.
The man started at her voice, and drew himself up.
At his voice she has stopped for him, he catches her up.
At Martin's voice, they turned to see him standing just inside the kitchen.
At her voice the big man jumped like he'd been shot.