It was polite enough, pitched low so his mother wouldn't hear.

Her voice was pitched low, but even at that distance I had no trouble hearing the conversation.

It was a woman's voice, pitched low but with excellent carrying quality.

"It might as well have been an accident," I said, voice pitched low.

The next sound was a voice, pitched low and impossible to make sense of.

His voice was pitched low, and yet had a clear, keen edge to it.

Paul's voice had been pitched low, but he saw each word cut into her.

Her voice, when at last she found herself able to summon it, was pitched very low.

His exec's voice was pitched too low for anyone else to hear.

All three of them had their voices pitched low, but not whispering.