Whats the dif between Dolby Pro Logic, Dolby Digital and Dolby surround?
Dolby Pro Logic is the domestic equivalent. It takes the four channels of surround sound (left, centre front, right and a mono surround channel) from a VHS tape or television broadcast, properly processes the sound and reproduces that sound in your home.The mono rear channel (shared between two speakers to reduce rear "localisation" create an ambient effect) is bandwidth limited. Frequencies below 100Hz (in the bass) and above 7kHz (in the treble) were taken out of the rear channel speaker feed.
One of the main reasons for the success of Pro Logic is that all of the surround sound information was encoded (or matrixed) within a normal two-channel (stereo) soundtrack. YES. Check out, http://www.dolby.com/ for help. In cinemas, Dolby Digital (5.1 and EX7.1) and Dolby Surround are more commonly used. im assuming ur setting up a system?
go with dolby digital 5.1 / dts
all the DD 7.1, etc is lame, nothign supports it
go with 5.1 Dolby Pro-Logic is basically analog surround; added channels are added into the two standard stereo channels to generate surround. Dolby Digital is a combination audio compression and surround system, with the surround channels and effects channel (the.1) separately encoded into a digital bitstream. All are Dolby surround.
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