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In Reply to: Have you heard a difference between DTS & Dolby Digital? posted by Estes on January 25, 2002 at 17:56:26:
When I've watched a DVD with both, I seem to like DTS better. However, I have no way to know if equal care was put in to both. I sustect not since DTS appears to fall into the category of a "premium feature". Also, according to someone posting an AR, DD uses a technique called "dialog normalization" -- the idea is sort of gain riding the difference between the dialog and non-dialog content in order to make the dialog easier ti hear. This makes a direct comparrisson very difficult even if someone produced a disc expressly for ABX testing!
Follow Ups:
After one of our fellow inmates pointed out that the Technics SH500 dumps bits to control volume, I made adjustments and ran the Technics full out and risked blowing up my rear speakers ;-). Using Gladitor, DTS soundtrack was clearly superior, better midrange and bass definition.
Just thought I'd ask, since I also own an SH500 processor hooked up to a 2-channel stereo preamp.What process did you use to calibrate the speakers? Did you use the RadioShack SPL meter to calibrate speaker output levels? Did you adjust the speaker delay settings on the SH500 before calibrating these levels?
Method for obtaining best DD/DTS sound from this procesor:
1) Set Volume on SH500 to the "0" position on the SH500 display, i.e. hit the remote's "+" volume all the way up.
2) Use your stereo preamps volume control to adjust the main speaker's output level from an "HT calibration DVD" like Video Essentials or AVIA till it register's 75dB on the SPL meter at your listening position. Easiest way to measure is to put the SPL meter on a camera tripod in your listening seat (with the meter pointing forward and with a 45 degree upward slope).
3) Adjust speaker delay (for center and surround speakers that are closer than equadistant). For the SH500 use 1 foot closer = 1ms of delay.4) Follow the calibration DVD's speaker adjustments around the room for each speaker using the SH500 remote's button for center, surround left, and surround right to adjust these speakers to a 75dB SPL reading.
When everything is calibrated this way, I can typically listen to most movies at 0dB, -3dB or at most -6dB on the SH500 master volume control and get very good DD/DTS sound reproduction. I use Dynaudio Contour speakers all around (see my equipment list below).
bstan
I was in a panic trying to figure out how to adjust the volume on the surrounds & centre, without using the Technics. Yours is a great compromise that will spare me trying to find new equipment. Mind you are you losing alot of information (bits) to the center and surround by using the Technics to control the volume to these speakers?
I'm not sure that's actually true, as the DD/DTS chips in this unit are programmed to handle this channel balancing without using the "master volume" control on the SH500.I think the method I outlined for you minimizes any detrimental effect you can attribute ti "bit resolution"
bstan
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