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[jmone]

More testing on the DAC.  I was getting Pop/Clicks (about 50% of the time) when Switching Tracks if I used Standard (gapped), but when changing to Cross-fade (aggressive) the issue disappeared.

[Hendrik]

Sounds like your DAC clicking when playback starts/stops, which doesn't happen with cross-fade.

With all the issues you're having, you should return it. 

[jmone]

After some more testing,
- Standard (Gapped): The worst with lots of pops/click (say 50% of the time)
- Cross Fade (both aggressive and smooth) & Gapless: Better, but I still get the odd Pop/Click on track change using Cross-fade but it is far less prevalent (say 1 in 10)
- Gapped Fade: Best with No Pop/Clicks

[jmone]

Sounds like your DAC clicking when playback starts/stops, which doesn't happen with cross-fade.

With all the issues you're having, you should return it. 

Where would the "fun" in that be!  It's more finding the happy settings I think (hope) 

[connersw]

Is your DAC playing from the Celeron NUC you reviewed here:  http://yabb.jriver.com/interact/index.php?topic=87617.0

Or from a different PC?

[mwillems]

After some more testing,
- Standard (Gapped): The worst with lots of pops/click (say 50% of the time)
- Cross Fade (both aggressive and smooth) & Gapless: Better, but I still get the odd Pop/Click on track change using Cross-fade but it is far less prevalent (say 1 in 10)
- Gapped Fade: Best with No Pop/Clicks

Does it happen only when changing sample rates or between all files?  Many DACs make a pop or click when changing sample rates.  I don't have mine on hand to test, but will report back on Monday if you haven't solved the issue.

[jmone]

Sorry I should have mentioned:
- PC: is not the NUC (i7 Box with a JMark around 4.5-5K)

More Testing (re across Sample Rates!):
- Standard (Gapped) & Gapless: The worst with lots of pops/click (say 50% of the time) even on the same sample rates
- Cross Fade (both aggressive and smooth) : Better, only happens between tracks with a change in sample rate
- Gapped Fade: Best with No Pop/Clicks even with change of sample rates

[6233638]

I would suggest to try changing the WASAPI buffer size, or the "play silence at startup" options to see if they help at all.
It sounds like it could be a hardware limitation, and the ODAC may not have the best USB implementation though.

[jmone]

Thanks - I had tried both of these and it did not make a difference.  I'm happy with Gapped Fade, but there must be some tech difference from MC between the various Switch Track settings for a DAC to care.

[6233638]

I would assume that the difference is with the DAC playing silence or simply breaking the connection. (i.e. playing nothing)
 
I can't think of a reason why playing silence for all of these would be a bad thing.

[mwillems]

Thanks - I had tried both of these and it did not make a difference.  I'm happy with Gapped Fade, but there must be some tech difference from MC between the various Switch Track settings for a DAC to care.

That's mighty odd; I've had DACs that clicked on sample rate changes, but those DACs would click no matter which interstitial you chose.  I will definitely be attempting to replicate this with my ODAC on Monday, it's truly bizarre (I use aggressive cross-fade or gapless, and haven't ever noticed any clicks, but I haven't been paying attention either).

I would assume that the difference is with the DAC playing silence or simply breaking the connection. (i.e. playing nothing)
 
I can't think of a reason why playing silence for all of these would be a bad thing.

The thing that makes me wonder about that is that it clicks on gapless or aggressive crossfade, where there is not likely to be a broken connection (i.e. no actual silence).  It's a very strange result.

[jmone]

It's not a big issue as I don't normally change tracks (normal playback progression is fine) and the "Gapped Fade" option is perfectly fine.  It will be interesting to see if you hear the same thing.

[jmone]

Got WASAPI Exclusive + Event Style Working which seems to have fixed the issue (but time will tell).  More here

[mwillems]

Got WASAPI Exclusive + Event Style Working which seems to have fixed the issue (but time will tell).  More here

I posted the results of my testing over in the other thread for anyone following this issue: http://yabb.jriver.com/interact/index.php?topic=89230.msg613233#msg613233