21.  A variety of incidents had already occurred since the day the emperor had spoken in a human voice.

22.  After pushing many buttons by instructions of an automated machine, I got a human voice.

23.  All along, the animals are given wacky human voices.

24.  But pity the human voice, for its range diminishes every day.

25.  But poetry, he said, is as simple as art on an individual scale, its medium a single human voice.

26.  But the emperor speaking to us in a human voice was beyond imagining in any reverie.

27.  But there are few human voices.

28.  But when it is a computer modem on the line, rather than a human voice, the local call is free.

29.  But to react properly, the dog would need to recognize human voices, and Tiger was trying to develop its own voice-recognition software.

30.  Cell phones use microwave signals to transmit data or human voices.