Samsung HT-BP30, Service Manual

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Samsung Electronics 14-6
Dolby Prologic
– Latest technology reproducing music CD recorded in 2 channel,
cassette tape and video tape made in Dolby Prologic into 5.1
channel.
– Surround speaker that makes you feel more natural, deeper and
wider than existing Dolby Prologic.
(Ex-Profound sound adds more realistic presence from 5 speakers
and sub woofer when you watch soccer match.)
DTS (Digital Theater System)
THX (Abbreviation of Tomlison Holman's Experiment)
– THX is not a sound format like a Dolby or DTS, but is a standard of sound. Like standard KS mark
in Korea, THX means good certification in sound effects.
– THX issues certificate when a movie, theater or home theater system satisfy proper standards.