Originally Posted by Warbucks79
Question for the audio gurus here. I have this tv hooked to my Vizio VHT510 via toslink. Should my tv setting be on PCM or Dolby Digital ? Also should the soundbar be set with SRS Tru volume on or off and SRS Trusurround HD on or off?
I presume your TV should be set to output Dolby Digital audio, as the soundbar is a Dolby Digital 5.1 system. Otherwise, you may not get true 5.1 multi-channel sound.
SRS TruVolume supposedly makes volume levels more consistent between TV shows and commercials when the volume is boosted for the commercials. However, I think it does that by turning down some midrange (speaking voice) frequencies when they jump suddenly, and I presume that may also lead to strange behavior during non-commercials. There are competing technologies called "Audyssey Dynamic Volume" and "Dolby Volume". You can just try it to see if you like it. Believe it or not, a law recently went into effect making it illegal to make commercials louder than the programs, although I still routinely see it during the rare times when I see commercials. The other approach is to avoid watching commercials by not watching live TV. :-)
I thought SRS TruSurround was supposed to make front-only speaker systems emulate a system with rear speakers. Since your system has the rear speakers, it seems like that might just make the 5.1 sound artificial. If you don't have the surround speakers in the rear, or, perhaps, if you are listening to a program that only has 2-channel audio, TruSurround may enhance the depth of the sound. Again, you should probably try it. I would turn it off, though, when you are listening to a source with true 5.1.