1.   The voices grew louder, and presently I caught sight of the men as they rounded a sharp bend ....

2.   These voices of dissent grew louder.

3.   Voice over Bamboo grows at an amazing pace.

4.   His voice had grown thick, with anger or emotion.

5.   His voice had grown low and confidential.

6.   Her voice had grown jerky and breathless and she caught at his caressing hand.

7.   Her voice grew soft and drowsy.

8.   His voice grew smoky, seductive.

9.   And then his voice grew harder.

10.   As he speaks, his voice grows more angry.