What is Dolby Digital Surround Sound? - High Definition (HDTV) FAQs

Question: 
What is Dolby Digital Surround Sound? - High Definition (HDTV) FAQs
Answer: 
Dolby Digital Surround Sound is an advanced form of digital audio coding that makes it possible to store and transmit high-quality digital sound far more efficiently than  previously possible.  It exploits characteristics of human hearing and gives a listener/viewer a more realistic feeling.
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