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Pachoo5
78
May 26, 2014
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So, to be clear, this unit is the newest version, newer than the MK2, that allows 24bit through USB, and not only via coaxial, correct?
May 26, 2014
codster303
38
May 26, 2014
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Yes, this site has other details on the product if your interested: http://www.lelong.com.my/aune-x1-pro-dac-headphone-amp-pre-amp-24bit-192-khz-dsd-starspicker-143309840-2015-01-Sale-P.htm
Once mine is delivered tomorrow I will post my initial impressions.
May 26, 2014
benbenkr
20
May 28, 2014
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No. USB input remains at 16bit up to 96khz.
You can only get 24 bit through coaxial or optical in.
May 28, 2014
DanielB
4
May 28, 2014
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According to their homepage the Aune X1 Pro supports 24bit/96k USB. This was an added function to the Aune X1 MKII. What do you mean by "USB input remains at 16bit up to 96khz." Am I missing something here?
May 28, 2014
benbenkr
20
May 29, 2014
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No, this is deceptive. The X1 Pro works only on 16 bit through USB. I can confirm that as I have one now. If you need a screenshot proof, I'll provide it.
May 29, 2014
Xertigo
0
May 30, 2014
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I have received mine as well and I am not entirely sure how you can confirm this with a screenshot (shared mode operation isn't a confirmation). For me, the X1 Pro registers as a USB Digital Audio device inside Windows and I can play a 24/96 flac file over USB. That being said, it is possible that the program(s) I am using (foobar/vlc) are downsampling behind the scenes, but generally it is difficult to hear the difference between a 24bit recording played back at 16bit and a 24bit recording played back at 24bit; so if your goal is to play 24/96 flac over the USB interface on a Windows PC, the X1 Pro should let you achieve that.
May 30, 2014
benbenkr
20
May 30, 2014
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Obviously you can play 24 bit/96khz files. The Windows stack is basically telling all audio info to be padded or downsampled into whatever setting which is set in Windows.
May 30, 2014
DanielB
4
May 30, 2014
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Just to clarify. I got an email from Aune saying that "USB can play 24bit/96K", regarding Aune X1 Pro.
May 30, 2014
benbenkr
20
May 31, 2014
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I've tested it on 6 different computers of different sources, never got USB to playback at 24/96.
It's not a major problem, because padding a 16bit file to 24bit basically does... nothing, quality wise. Unless one is going to mix a DSP in for say watching movies or playing games (of which by then using optical would make more sense), not an issue.
May 31, 2014
Starks
7
Jul 30, 2014
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For those who are wondering, no one has ever demonstrated to be able to tell the difference between 16 vs 24/96 in a lab controlled, double blind setting. IMO, 24/96 flac is just a waste of time.
Jul 30, 2014
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