You actually know what some of the crazy doodles on the side of an HDTV means when it comes to video—720p, 1080i, 1080p. Congrats, you're ahead of most people, like my mother. But do you understand the alphabet soup of audio, the confounding constellation of logos on your Blu-ray player's box? While there are basically two rival home-theater audio encoders—Dolby and DTS—they each have several different quality levels and options for different scenarios. Yeah, it's a lot to keep up with, and it annoys us too. So we asked Dolby and DTS to put down their guns for a sec and help us sort it out.
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