Samsung Electronics
14-4
4. Home Theater Sound Format
Overview
* As home theater has recently penetrated deep into consumer's market in Korea, Dolby digital and
DTS, the sound format for 5.1 channel home theater, are the mainstream in the market.
* Expanded type of 6.1 channel or 7.1 channel are recently released in the market, but there are
not much DVD title that can support expanded type.
Home theater format...
Stereo
Is used in general audio and analog TV and and consists of 2
channels, at front left/right
Dolby Surround
In this sound format, 4 audio channels (Front left / right / center /
surround) are entered in 2 channel and reproduce in 4 channels
through device with Dolby decoder.
Center channel is not completely separated so that it forms virtual
center channel with help of front left / right channel.
1958 1Ch Mono/ 2Ch Stereo
1982 Matrix 3Ch Dolby Surround
1987 Matrix 4Ch Dolby Pro Logic
1995 5.1Ch Dolby Digital
1997 DTS (Digital Theater System)
1999 Matrix 6.1Ch Dolby Digital Sourround EX
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