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In Reply to: Re: SACD vs DVD-A article posted by Alex Striganov on August 21, 2004 at 08:34:05:
In the case of Two Against Nature and Hourglass, they are based on 48K PCM recordings.Anything beyond about 22K isn't coming from the original recording.
Regards,
John Kotches
Follow Ups:
John,
Are you 100% sure that no one used something as Aural Activator to extend the bandwidth in the process of re-mastering of Steely Dan "Two against nature" to Advanced resolution format? What was the reason to put the label "Advanced resolution" on DVD-A if the recording is still in 24/48 (The Giant Records had fooled us)?
I am going to make the measurements in other then THX Music modes (to keep multi-channel tracks as the sources) and will post the results ASAP. I can see only one technical ability to create the additional artificial ultrasonics in 49TXi at this point - switch sharp roll-off mode in DF1706 to slow roll-off, as it had been done in Legato pro. In this case Pioneer will not look good ...
"Advanced Resolution" simply means the audio is higher quality than CD. 48k/24-bit is considered to be Advanced Resolution. (It's just a marketing term)
http://www.soundblaster.com/dvd-audio/
"ushering you into the Advanced Resolution™ era of 24-bit music fidelity with 192kHz in stereo and 96kHz in 5.1"http://www.stereophile.com/news/10861/
"Advanced Resolution DVD-Audio is the ultimate listening experience," states the WMG announcement. "With a sampling rate and bit depth that at least double the resolution for the current CD standard, DVD-Audio discs deliver sound quality that is significantly closer to the master recording than is possible with CDs."http://www.musik-idealo.de/4R1P246148C5K3-Cracked-Rear-View-DVD-AUDIO.html
"Hannah Jane (Advanced Resolution 96/24 Surround Sound Mix)
Hold My Hand (Advanced Resolution 96/24 Surround Sound Mix)"http://www.dvdreview.com.au/cgi-bin/specific_movie.cgi?id=18835-64.68.82.33-1091527230&apn=0093624781493
"the music on this disc can be played as DVD-Audio Advanced Resolution Surround (ie, 6-channels @ up-to 96kHz / 24 bit) or as Advanced Resolution Stereo (ie, 2-channels @ up-to 192kHz / 24 bit).
"Concerning this particular VD-A:
http://www.warnervision.com.au/bio.asp?id=1883
" STEELY DAN Two Against Nature Disc Content Audio:
* Advanced Resolution Multi-Channel Surround Sound (96 khz/24-bit) DVD-Audio Players
* Advanced Resolution Stereo (96 khz/24-bit) DVD-Audio "
Alex,Do a little research on S'phile's website. Atkinson shows it (Two Against Nature) is a native 48K recording.
BTW, Fagen's Kamakariad is also an original 48K recording that was converted to analog, then A/D'd @ 96K for delivery. They list it (quite honestly IMO) as a 48K.
I'm not concerned at all with marketing fluff. Advanced resolution simply means > CD fs, > CD sampling depth. Nothing more, nothing less.
Regards,
John Kotches
John, If you mean this article:
http://www.stereophile.com/features/282/index5.html
And Steely Dan "Fig.3 Spectrogram of Steely Dan's "Janie Runaway," from the Warner DVD-Audio sampler. Original DVD-A data recorded at 24-bit/96kHz" it is a bit different story, IMO.
But anyway I am going to make the measurements ASAP and then we will know.
http://www.warnervision.com.au/bio.asp?id=1883
http://www.scotthullmastering.com/Articles.html
"But for this project, the entire signal path was digital – but utilizing the higher sample rates and bit widths. The Genex source went directly to my Sonic Solutions editing system recording at the full bandwidth of 96x24. After the mixes were edited and compiled, the 96x24 bit AES signal was routed to my Z-Sys 96k 24-bit 6 channel digital EQ. We only needed 2 channels for this version, but this is such a nice sounding digital EQ."
Clearly, the graph in figure 4 shows that the original recording is 48K, notice the absence of content above 24K in the FFT derived spectrum.Why you can't accept that, and go forward?
Regards,
John Kotches
The problem is that it looks as we have different signals for stereo tracks and multi-channel tracks - take a look at the background noise floor on Fig 4 ...
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