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tobes

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About tobes

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  1. tobes

    HQ Player

    Thanks for the reply @Miska. Yes, the CPU advantage with 'Fast' for PCM upsampling is irrelevant - I was curious because I have found myself preferring it to standard closed form, so wondered what it was doing differently. What filter from the poly sinc series does the closed form fast most resemble? EDIT: Actually as I listen now the standard Closed Form has a more natural sound on (some) acoustic music, the 'Fast' variant has a touch more etch (not the right word because it maintains good dimensionality) - not objectionable - more often that not providing an engaging presence.
  2. tobes

    HQ Player

    Thanks for the reply @Miska. Yes, the CPU advantage with 'Fast' for PCM upsampling is irrelevant - I was curious because I have found myself preferring it to standard closed form, so wondered what it was doing differently. What filter from the poly sinc series does the closed form fast most resemble?
  3. tobes

    HQ Player

    @Miska what makes the Closed Form Fast filter different to the other Closed Form filters? - I know it supposedly has less precision/CPU load, though honestly load doesn't seem much different (very low, I only do PCM upsampling - using 2.3Ghz i7 Mac Mini). What I find odd is that the less precise 'Fast' filter sounds better to me - it has a clarity and naturalness that I don't find in the other Closed Form variants, or the poly-sinc etc filters either. Predominately using this with a Benchmark DAC3 (Sabre 9028 based). I recently acquired the Chord Qutest, but so far the DAC3 (with HQP/closed form fast) has the edge in clarity.
  4. Cheers Damien. Confirmed it's now working, thanks for the quick response. Great service!
  5. Posted this elsewhere, but probably should have asked in this thread. The 'Browse similar artists' feature in A+3 no longer works for me - not sure when this stopped working. When I press the little graphic the window above the artist opens and says loading - but nothing displayed I'm using the latest 3.2.13 version of A+ on a Mac mini running Mojave 10.14.1 I tried deleting all related Audirvana files/caches etc and A+ itself - then reinstalling. Doesn't fix the problem. Any ideas? FWIW I went back to my old Mac mini, which runs High Sierra 10.13.6 and A+3.2.6 - but this behaves the same as above. Pretty sure this was working with El Capitan, so maybe something got FUBAR'd with the update to High Sierra? Can anyone confirm this still works for them?
  6. Per title the 'Browse similar artists' feature no longer works for me - not sure when this stopped working. When I press the little graphic the window above the artist opens and says loading - then there is nothing displayed in the window (ie no similar artists). This feature works in the Tidal desktop app and Roon (differently displayed of course). I'm using the latest 3.2.13 version of A+ on a Mac mini running Mojave 10.14.1 I tried deleting all related Audirvana files/caches etc and A+ itself - then reinstalling. Doesn't fix the problem. Any ideas? FWIW I went back to my old Mac mini, which runs High Sierra 10.13.6 and A+3.2.6 - but this behaves the same as above. Pretty sure this was working with El Capitan, so maybe something got FUBAR'd with the update to High Sierra? Obviously this is a Tidal feature and something many people would use frequently, can anyone confirm this still works for them in Audirvana? If so, can anyone suggest a fix?
  7. I see that the ultraRendu has a HQPlayer mode: Mode #4 - HQ Player NAA Output - This output utilizes streams from Signalyst's HQ Player running on your computer. Digital signal processing is performed by HQ Player and then asynchronously streamed to the Network Audio Adapter (NAA) output. This output supports true gapless playback of PCM, DSD/DoP, and native DSD. So I guess that allows the benefits of HQP to be accessed (up to DSD128 with the DSJ) - while Bridge II is limited to DSD64 and lacks interface with HQP. The question remains for me as to whether introducing the ethernet connection with the Rendu beats the (iFi isolated) straight usb connection to my Mac(?). This is a bit of a gamble given my results with Bridge II - admittedly without HQP and limited to dsd64.
  8. To be honest I don't know much about the Rendu products. They appear to have rj45 inputs and usb output - to be controlled via a phone/tablet/pc etc. So they wouldn't connect to the Bridge II, but to usb - an alternative to the Bridge II. I realise they've supposedly been optimised for audio, but whether it would be lower noise than a Mac mini/Uptone JS2/iFi usb3 setup is not clear (to me). Adding another device and complicating the setup is not always a good thing. Of course I could eliminate the Mac and use my phone or whatever with a Rendu - but like I said, I want the extra utility the Mac allows.
  9. No, I haven't tried the Microrendu - I suppose because I like having the extra utility of the Mac mini. I have Roon/HQPlayer installed on my late 2012 i7 Mac mini and have the usb output (DSD128 via DoP - the max accepted by the DSJ) going into the iFi USB3 then on to the DSJ. I also have an Uptone JS2 linear PSU for the Mac, but I don't have that installed in my i7 mini at present - as I currently have the linear PSU adapter card installed in another i5 mini. The Mac is powered from a separate AC power line from my audio equipment (which has a dedicated AC line). Even without the Uptone JS2 installed, the above setup is the best I've heard from digital in my system. For the Bridge II connection I have a gigabit switch connecting the Mac and DSJ - this is powered from the ultra-regulated 5Vdc usb power from the iFi box. I've also used the JS2 linear power supply to power the network switch. Still I prefer the sound on the DSJ's usb input - especially with HQPlayer, but also with Audirvana +3.
  10. Well I guess it all depends on what you are using. I've had setups where the Bridge connection sounds better. USB has known issues that have to be mitigated. I dont think you can say one is definitively better - some manufacturers who initially demonized usb now say its equally good in their latest iteration. I have the Ifi usb3 decrapifier between my mac mini and the DSJ to reduce/isolate noise etc. The DSJ itself is, by design, very resistant to jitter since it does not sync to any incoming clock. Try it and see which you prefer.
  11. I'm using Roon/HQPlayer with my PS Audio DSJ dac (over USB) and find it to be audibly superior to the Roon>Bridge II connection whether using upsampling options with the latter or not. I've played with the various upsampling filters on HQP and I keep coming back to poly sinc/DSD5 128. Of course the DSJ converts all incoming PCM rates up to to 352.8 and DSD 64/128 to 20xDSD. However, IMO, having HQP do the SDM conversion to DSD128 sounds decisively better.
  12. tobes

    Audirvana 3.1

    I bought A +1.5 and the following 2.X and 3.X upgrades. When I found the issues with the A+3.X bridge mode connection I posted on the A+ forums including debug report and log files. I never received any feedback from Damien - nor anyone else on that forum. I drew the conclusion that there aren't many A+/directstream users that find Bridge II operation to be that important. I can see from Damien's point of view that he probably has more broad based problems to deal with. I may investigate that I2S adapter you're using. Thanks for the tip.
  13. tobes

    Audirvana 3.1

    The problem is that the PS audio Bridge software is developed by the Taiwanese (or is it Sth Korean?) company that make the Bridge hardware. It seems that Bridge software updates have been a tedious process for PS audio - adding A+ specific code may just be too niche. I've ceased playing with the Bridge connection on my DSJ with A+. If I want to use the Bridge connection I'll go with Roon, which works perfectly (RAAT compliant code on the Bridge). In any case, for best SQ with my DSJ, ive gone back to Roon/hqplayer - upsampling to dsd128 over USB. Of course YMMV.
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