Could you have set the US to downsample everything to 16/44? That would explain why any hi-res material you have us playing as 16/44 instead of its native format.
Iāll have a look tomorrow and report back. Thanks for the idea.
There is a setting on the US, accessible via a desktop application.
If a fileās native format is HD, yet it plays back only at 44.1 kHZ, transcoding to a lower resolution was enabled.
Iām not at home at the moment, but it would be somewhere around:
Settings > playbackā¦ look for file formats and resolutions.
I donāt use the Windows DTC, and Iām not at home right now, so this may be slightly inaccurate as Iām doing it from memory, but hereās how to check the format and change the US output format, in case thatās your issue.
Find the US IP address, and type it into a browser.
Go to System > UPnP Settings > Compatibility.
If this is your problem, you should see that it has been set to output 44.1 WAV. If so, change it to Native, and it should then play your 24/192 files as such.
If not, back to the drawing board!
Looks like @ChrisSU and I were typing at the same time 
His memory seems to be better than mine!
That remains to be seen!!
Guys,
Worked it outā¦
Seem that when you gotoā¦Tools-system settings-UPNP-Micellaneous settings-transcodingā¦
You have to select ādecodeā from the options.
āNativeā and āAutoā doesnāt fix it for some reason.
Best,
Ray.
And while we are here, why canāt I delete files from the LQ folder, I.e. MP3. It says I need permission ?
Thanks.
Decode is fine, it should preserve the native bit rate. It will also transcode to WAV if thatās not the format the files are stored in.
If Native didnāt work, itās possible that you needed to restart the US before you see it. Otherwise, if it doesnāt preserve the format of the files, the firmware isnāt working as intended.
Are you trying to delete these files by navigating to them on a computer? If so, donāt try to make any changes to the Music folder outside of a Naim interface, as it can break the database and cause problems.
ChrisSU,
I donāt think you can do it on DTC so what other options are there?
Besides, when I bought the US ex display a couple of years ago, I couldnāt delete some stuff(there were 1000ās of albums), Naim tapped into my laptop for me and did it that way?
Iāve never used the MP3 library, so Iām not sure how you would disable it. You enable it in the Music Stores menu under MP3 library, so thatās where I would look.
ChrisSU,
Iāve done that. Straight forward. A while ago I created a parralel MP3 with WAV for car use. As modern mobiles have much bigger storage and WAV doesnāt really use much, I disabled it. Just want shot if them from the US. Iāll prob just email Naim for instruction.
Hi @Ray71 Just having another look at this now that Iām back at home, and I canāt see any reason why your mp3s shouldnāt be deleted here. The Unitiserve will take quite a while to delete them all, especially if you have a large library. It will do it in the background, so perhaps itās happening slowly and you are still seeing what hasnāt yet been removed?
I donāt use Windows, so Iām not sure what the DTC would look like, but if you use the browser interface, you should see this message when you go to disable the mp3 library:
ChrisSU, Thanks and apologies for not responding earlier.
Iāll give that a go when I get a minute .
I think is called the interface where you see exactly the same screen as an HDX shows on its display(I used to have one).
As for the interface, Iāve lost that off my laptop somehow and I think I just need to search the IP address using my laptop, then Iām inā¦I think.
Iāve just had to replace my laptop, so might have a go today/tomorrow. In the meantime, Iāll be prioritising the SU update.
Best,
Ray.
Hi Ray, yes itās the browser interface, accessed by typing the IP address into any web browser, and itās largely the same as the HDX front panel.
The SU update process can seem a little daunting if you havenāt done it before. Open the instructions that come with the download, and follow them to the letter, and you should be OK.
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ChrisSU, finally found that option to disable MP3(and delete existing MP3 files) by playing around with the interface.
Oddly, still cant just delete them from LQ folder using a laptop. I did find that if you right click and select āpropertiesā, thereās a sh*t load of options to change stuff on the US. I didnāt want to accidently ruin anything and I think itās now busy deleting them using the interface instead. Well, it said it was anyway.
Managed to do the update on the Superuniti easily enough too without hick-up or even using the instructions !
Best,
Ray.
Good to hear youāre making progress. Remember that itās important never to make changes to the Music folder outside of a Naim interface, as this can break the database.
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