Sound is perhaps the most important factor when it comes to watching movies on a home
cinema system, and when watching a presentation in a movie theatre. The big screen
is a valuable component, but the experience would not be nearly as enjoyable if the
surround sound system was missing.
Sound technology has changed quite a lot in the last few years and has developed
from the basic one and two channel sound into the multi-channel formats used in
theatres and home cinemas today.
The following pages will introduce you to the main sound formats past and present,
and will explain how each type is used in different applications.