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In Reply to: By the Way..... posted by Todd Krieger on January 12, 2007 at 09:42:35:
Follow up as promised...I listened to the DIP once more for a few hours at length, comparing it to the Behringer SRC2496 today. I still stand by my first assessment of the DIP, it did smooth out the sound quite a bit coming from my Adcom GCD700. And I do like it very much. But compared to the Behringer it was a little sub-par. The vocals on the Behringer were much fuller and the sound on the whole seemed more natural with the Behringer SRC2496.
I tried to be as specific as I could when I reviewed the Behringer and was totally subjective....well mostly subjective.
BTW, please comment as you wish, I dont take anything personal...with as many variables as there is in audio, two different people are liable to have totally different view points on anything.
Follow Ups:
I think the premise, the DIP upsamples a cd to 24/96 is incorrect and this is why. I have a 24/96 DIP and when I play a CD into it and run its output to my MSB Platinum DAC it upsamples to 176 for cd's. Right now it's playing the dippies feed and reading 176.When when a classic DAD which plays 24/96 native, is feed to the dippie, the Plat DAC reads 192, the level it has upsampled to.
It take this to mean that the dippie is not asyncronous. And why should it be. It would be far more complex to implement than simple doubling, and as TK points out, would likely sound worse.
There are three models of DIP. Your 24/96 is a pure jitter reduction box. The 24/96 means it can allow 24bit 96KHz to go through. This DIP also allow multi-channel to go through.The 48/96 upsampler in this review does change the sampling rate and output either as 48 or 96. There is an internal setting to change the output sampling rate.
There is a DIP Classic whose output sampling rate is 44.1
"Your 24/96 is a pure jitter reduction box."Although touted as such, the jitter that's reduced is transformed to noise.
This is not the upsampling model so I don't think it is using ASRC of any kind, just reclocking and signal boosting. For the upsampling model you may be right. There are 2 non-upsampling models from Monarchy though.
would that be the case with every anti-jitter box....it just changes the jitter into noise....is that the only thing you can do with jitter?
HowdyNope, ASRC (Asynchronous Sample Rate Conversion) converts jitter into noise in the data, other forms of jitter reduction don't convert jitter into noise, they filter the jitter. Whether a particular DAC will sound better with filtered jitter or with the noise from ASRC is a personal preference. Despite my personal misgivings about ASRC my modded Perp Tech P-3A sounds pretty darn good as, I'm sure, do plenty of other ASRC DACs.
So how do you know if it uses one or the other?
HowdyI'm staying out of that part :)
You can only tell by asking a reputable source or looking up the chips used and seeing how they are wired into the circuit board. You can guess if they take in 16/44.1 (Redbook) and output 24/96 or 24/192 it's probably ASRC, if they take in 44.1 and output 88.2 or 176.4 it may be SSRC.
The info on this thread is too ambiguous for me to take a guess.
TedThanks a lot for this discussion...
HAve you tried both the dip and the src2496 together??
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