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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: RE: "Pinging" fmak ; What are you using to upsample your CDs posted by Old SteveA on September 2, 2014 at 22:28:44:
At the end of the day, I think one has to accept (with commercial recordings) that what is the "technically correct" approach to the D/A process is not necessarily the same as the "subjectively preferable". For me personally as an engineer, I demand technical perfection, in so far as that is possible with what I can afford, at which point I can then point to the recording as being the reason for a sound that isn't quite "right".
I feel there is a disparity between true realism and many commercial recordings - which doesn't necessarily have anything to do with the deficiency of the medium so much as the fact that you are at the mercy of the recording engineer/producer who ultimately defines how the final product is presented.
I find orchestral recordings are quite different in soundstaging and tonal balance compared to sitting in the audience - maybe the audiophile labels could master the sound according to "the best seat in the house" equivalent :) The sound in commercial recordings often has very exaggerated detail which you wouldn't otherwise hear in the audience given the mic placements (for example clicking finger nails on piano keys!). So the question now becomes, "what is realism?".
I know that my DAC is acceptably transparent as my recordings via the ADC/DAC chain is as close to the source such that I can't tell they are in the chain. Therefore, I now know when I have a technically "perfect" reproduction of a "bad" recording in which the balance between the performers is completely wrong (for example a soloist who is dwarfed by an over bloated piano accompaniment which occupies an unrealistic width in the soundstage - I have a few recordings like that!) I dislike the "bright" tonal balance on Virgin Classic recordings. I find the EMC recordings clinically cold....
Having not used JRMC, I can't comment on the technical merits of the SRC, but at the end of the day, if the results are better to you, then that is what matters.
With respect to the benefits of upsampling in my reference system, I have to say that the benefits of a properly implemented approach (to me) are very subtle. With the cheap "toy" reclockers like the original Monarchy or Perpetual Technologies P-1 upsamplers and the like that do upsampling via an SRC like the CS8420, I found that the SRC IC plus the effects of induced jitter on the output data stream DID have a profound effect by adding a rich bloom to the sound that was very enticing at the time, but I soon realised was the effect of jitter when I bought the Apogee Big Ben.
I guess what I'm saying in a round about way is that, in my experience, there isn't a "night and day" type of difference when all of the technical aspects of the process are close to optimum - nor should one really expect one to exist given that you can't create information from nothing! If there is, then something else (such as jitter or the digital filter/SRC algorithm) is probably affecting the result.
Regards Anthony
"Beauty is Truth, Truth Beauty.." Keats
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- RE: "Pinging" fmak ; What are you using to upsample your CDs - flood2 00:57:45 09/03/14 (0)
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