Pyrrho said:
Since you have not gotten flamed yet, let me have a go at it. I think the only reason to go from CD to DVD-A or SACD is for the multichannel capability. Unless, of course, one wants recordings of dog whistles that are not audible for humans.
And before someone points out the fact that they have a higher capability for a wide dynamic range, I don't think that there are very many, if any, CDs that have been made that actually use the entire dynamic capability of them. And given the noise levels in a quiet room, and just how loud it would be going 96 dB above that, no one who wants to avoid damaging their hearing will ever want anything any louder than the maximum capability of a CD.
But back to Dolby Digital and DTS. Since both are discrete multichannel formats, with an adequate frequency response and dynamic range, the advantage one will get over these is no compression of the audio, which may or may not be audible (probably depending on the particular sounds and how well it was mastered), and possibly more discrete channels (who knows? maybe in a few years we will all be wanting 20.3 sound).
People are impressed with bigger numbers, so there will be a market for "better" sound. But regardless of whether your equipment can reproduce 40 kHz or not, you will never hear it.
I would definitely disagree with you there. Sure I prefer having a multi-channel mix on the SACDs and DVD-A, but I also have bought a few with stereo mixes only and I'm very happy with them, particularly when comparing them with their CD counterparts.
Volume has nothing to do with it, your receiver and speakers should take care of that - I don't think one person buys an SACD or DVD-A because of the recording levels.
Anyway back to the stereo recordings.
Death Cab For Cutie - Transatlanticism (SACD Stereo/Hybrid)
Peter Gabriel - So (SACD Stereo)
Peter Gabriel - Us (SACD Stereo)
I can play the Death Cab's CD portion and listen to it with Neo:6 processing on for the occasional surround vibe, but when I compare the CD direct with the SACD portion direct it is a noticeable difference.
The PG discs are even more noticeable. PLaying tracks like Mercy Street and Don't Give Up and comparing them with the CD issue of the "So" album, the difference is absolutely apparent. The clarity on the percussion of Mercy Street is ten fold over the CD.
I often listen to the two channel advanced resolution options of REM's "Green" and "Out of Time" DVD/CD dualpack issues. The stereo is 192/24 and the good thing about these dualpacks, particularly vs. DualDisc, is that they include two discs, the DVD-Audio disc and the Compact Disc.
Comparing the two channel from 44.1/16 to 192/24 is like being smacked in the face.
I don't have a very high end system either, it's good but it's not a studio top of the line system. I'm using Paradigm Monitor 11 v.4 speakers and my player is a Pioneer DV45a DVD-A/SACD player.
I would wager that I could tell which one you've put on 9/10 times. (The CD or the DVD-A)
I mean it's comparing 16 bit data at 44,100 cycles per second versus 24 bit data at 192,000 cycles per second. The maths should speak for itself, even if it is just bigger numbers.
Obviously when I really want to show off the system I'll put on the 5.1 tracks, but the DVD-A and SACD multi-channels really are better than the Dolby Digital 5.1 mixes. Case in point? Listen to John Mayer's DualDisc (DD 5.1 only) vs. the SACD DSD transfer in 5.1 - the SACD is so much easier on the ears and really feels like it's flowing out of the speakers, unlike the DD version which feels like it's being held back.