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just bought home theatre in a box (1 Viewer)

monkeyman44

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Matt
I just purchased a Panasonic home theatre in a box (SC PT960). I don't expect the best sound for the price I paid, but the sound coming from the rear wireless speakers is very faint. Should this be expected?
 

Al.Anderson

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Are you listening to a DVD or a test source? The rear speakers provide effects sound, so if you're listening to a DVD it may just be a DVD that doesn't use the surrounds. Some receivers have a test mode that moves from one speaker to another and plays a sond of a constant volume, if yours has that feature give it a try. Otherwise, get a calibration DVD; say DVD Estentials or Avia. That will help with both the audio and video calibration.
 

Joseph DeMartino

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Yeah, the rear surrounds are basically for "fill", effects and some directional cues. How active they are or aren't depends on the sound mix of a given film. It also depends on which soundtrack you're listening two. Many older DVDs default to the analog Dolby Pro Logic surround mix. In Dolby Pro Logic there are really only 2 channels. Embedded within those channels are cues that allow a DPL receiver to "steer" some sounds mostly to the front, center or rear channels - but the channels are not isolated ("discrete") and there is always some bleed-over among them. Dolby Digital, DTS and their variants are digital soundtracks in which each channel (anywhere from 1 to 7, plus a ".1" low-fequency effects channel) are encoded separately. A discrete digital soundtrack can and will make better use of the surround channels. You just have to make sure that's what you're listening to. On some discs if you don't select one of the digital tracks from the menu you will automatically get the downmixed DPL track. And, of course, some films don't have multichannel soundtracks, which only became commonplace in fairly recent years. If you're watching Casablanca with the original soundtrack, you're hearing clear, digital, beautiful monaural sound.
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Regards,

Joe
 

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