1.   By now, the options for surround speaker systems are nearly as diverse as those for conventional stereo pairs.

2.   If you are creating a surround system and you now use bookshelf speakers for stereo, you could move them to the back of the room for ambient service.

3.   Laser discs offer higher-quality sound and pictures and are ideally suited for owners of big screen televisions with surround sound systems, Greenwald said.

4.   While surround loudspeaker systems dominated, the typical demonstration betrayed a surprisingly persistent immaturity in the marketing of home theater.