The Differences Between Dolby Digital, DTS And Atmos (And Which Is Better)

How to decide which of these surround sound formats is best for your home theater.
Ars Technica

is Dolby Digital and DTS good enough or do we need DDPlus, DDTrueHD&DTS-HD?

as if HD-DVD&BluRay wasn't confusing enough, now there will be new audio codecs as well. DDPlus is higher bitrate DD and DDTrueHD is supposedly uncompressed multichannel surround sound. DTS-HD is ...

I learned something about DTS sound I think everyone should know

While DTS comes in many varieties, it can be a rare beast.
Ars Technica

Shopping for a receiver, do I need Dolby TrueHD/DTS-HD? Also, HDMI audio question

If it says passthrough then it's passing the audio through to the TV and not the speakers attached to the receiver. My Onkyo 506 does this. To get the surround sound to it I have to run a separate ...
CNET

What is Dolby TrueHD?

I've heard a lot about Dolby TrueHD recently. What is it, and is it worth a costly upgrade to my AV system to get the best out of it? Since people started watching movies at home, there has been a ...
Gizmodo

Pioneer’s Power-Packed Amps Support Next Gen Dolby TrueHD and DTS-HD Audio

After rolling out its Elite receivers with the latest HDMI 1.3a connections late last month, Pioneer figured it might fill in the midrange of its AV amplifier line with a couple of nice-looking units ...