Some audiophiles recently started burning AVCHD discs instead of using DVD-Audio or the LPCM capabilities of DVD-Video.
DVD-Audio and PCM on DVD Video both allow some pretty high quality audio. With DVD-Audio, you get two channels of 24 bit 192khz or 6 channels (5.1) of 24 bit 92khz and lossless compression. PCM on DVD video also goes to 24 bit 96khz, but they take a lot more space and I am not sure if anyone did much with multi-channel PCM on DVD-Video for this reason.
Lots of people have been using those formats for original recordings, vinyl rips and such, but now we have some AVCHD's starting to show up. This is somewhat lost on me because of equipment limitations. My Blu-ray player is in my living room home theater which has Pioneer/Bose audio which is very much inferior to what I use for hi-fi listening in my studio. So far I haven't gotten my studio PC to play these either (although I thought it might be able to with the right software). This will probably lead me to getting a Blu-ray for the studio.
I am exploring tools for authoring this content: http://www.videohelp.com/tools/sections/authoring-bd-hd-dvd. This may be a good way to go for the future. It's nice to have so many options, but I just recently authored my first DVD-Audio (of a nifty vinyl rip I made myself of The Three Sounds "Soul Symphony"). Now on to the next format!
Lastly, I will share some somewhat related links that are cool. The first is some analysis of various formats including vinyl, and the second is a look at DVD-A vs. SACD.
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