1.   The rumour of noise from under the trees became spaced, punctuated by sharper sounds and sometimes by a subterranean crackling, like distant footsteps in frost.

2.   Like the compact disc that is its audio counterpart, DVD offers sharper sound and a larger storage capacity.

3.   MMX is supposed to offer sharper sound and graphics for multimedia computers.

4.   They offer the opportunity of many more channels, sharper sound and vision, and extra streams of programming and information.