Recent content by pkane

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    EVS modified Gustard X20/Gustard X20 thread

    Sounds like you didn't select DSD output in your audio player software.
  2. P

    EVS modified Gustard X20/Gustard X20 thread

    Sure you can: just push and release the volume button to change input. Press and hold if you want to get to the additional settings. Press and hold again to exit settings.
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    EVS modified Gustard X20/Gustard X20 thread

    You should be getting a lock. A few things to check: 1. Are you sending audio from your PC? Is it PCM or DSD? How are you sending it? What are the audio settings in your software? Does it work if you use another output from SU-1 into X20pro? 2. Did you install SU-1 driver on your PC and is the...
  4. P

    Who's buying the UpTone Audio ISO REGEN?

    Interesting, Amir. So do you think that it's the isolation and not regeneration that might help Shiit Modi 2? If yes, then perhaps an optical isolator or extender device might do the same thing. Or perhaps even a USB-to-ethernet extender? I see a bunch of these for well under $100. I'd certainly...
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    USB to AES or SPDIF converter that passes native rate fed to it

    For another USB to SPDIF/AES/EBU device you may want to consider Singxer SU-1. Very well made, works up to 384K PCM and up to quad DSD when used with a DAC that supports it. SU-1 also just passes the input rate to the output, but unlike Mutec, it does not convert from DSD to PCM. This unit is...
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    Who's buying the UpTone Audio ISO REGEN?

    Maybe they just want to send it to you for free? ;)
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    USB to AES or SPDIF converter that passes native rate fed to it

    Mutec 3+ USB will output at the PCM rate you feed into it. It automatically detects and re-clocks the signal to the input rate, up to 192K. It does not do rate conversions. It will also convert DSD input to PCM, that output will be at a selected rate.
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    Who's buying the UpTone Audio ISO REGEN?

    OK, now we are really going off the deep end. I'm out of this discussion until there's something substantive being shared related to ISO Regen.
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    Who's buying the UpTone Audio ISO REGEN?

    Please explain how you think that jitter spectrum might change at the output of a DAC when switching Regen in and out of the circuit, and how this change is caused primarily by the DAC and not by Regen. So your whole argument is based on a conjecture that you can't prove? Jitter is the primary...
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    Who's buying the UpTone Audio ISO REGEN?

    What you are missing is that I am simply asking for jitter measurement of ISO Regen. That's all I came here to do, not to argue about what might or might not be measurable. John Swenson stated that there are three main issues he attempted to address with ISO Regen: John believes, as I do...
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    Who's buying the UpTone Audio ISO REGEN?

    Ah, but you are switching context on me. We were talking about the eye pattern posted by Uptone. We agreed that the eye pattern is not an illustration of common mode noise rejection. My point was that this leaves jitter reduction as the only possible reason to show such a measurement, as that is...
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    Who's buying the UpTone Audio ISO REGEN?

    I'm glad we reaching some common ground :) Very simply there is no effect, other than jitter, that digital data transmission errors, noise or distortion can have on analog output if the bits are not flipped. Jitter is it.
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    Who's buying the UpTone Audio ISO REGEN?

    So you argue that my request for jitter measurements cannot be taken seriously, because leakage currents are the main issue that ISO Regen is trying to solve. I'm OK with this. Then why publish a diagram showing improved edge timing that says nothing about leakage currents and everything about...
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    Who's buying the UpTone Audio ISO REGEN?

    So, the eye plot published by Uptone Audio is supposed to illustrate what? ISO Regen breaking up leakage currents? Looks to me more like USB signal regeneration. That's exactly why I'd like to see more measurements. I want to understand what this gadget does and how it does it.
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    Who's buying the UpTone Audio ISO REGEN?

    Leakage currents can be of any frequency generated by any device that's connected either directly (e.g., through USB cable) or indirectly (coupled through the ground plane or the mains). There is no hum at all in my system. Checked by ear next to the speaker and by FFT at the output of the DAC...
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