Integrated Home recommends the following sites for a wealth of great information. Imaging Science Foundation Home Acoustics Alliance Dolby Laboratories Digital Theater Sound (DTS) THX DLP.com Advanced Television Systems Committee (ATSC) Society of Motion Picture and Television Engineers (SMPTE) National Television System Committee (NTSC) Sound Quality Glossary, by Owens Corning Video Terminology glossary, by Joe Kane Productions Pro Audio Reference, by Rane.