Recent content by Miska

  1. M

    WolfX700 Measurements of Holo Audio Spring 2 Lv2

    Yes of course it is in NOS mode since all DSP has been moved off-board to the player software.
  2. M

    WolfX700 Measurements of Holo Audio Spring 2 Lv2

    The point is that it is much cleaner / better low level linearity. Improving performance this way is matter of a setting, so why not do it? Point of my measurements is always to find out how to drive a certain DAC in a way that it produces best possible performance. And in my opinion there is a...
  3. M

    WolfX700 Measurements of Holo Audio Spring 2 Lv2

    For best performance at PCM you need to set "DAC Bits" to 20, so that output is dithered to 20-bit level. With TPDF dither, but you could also use something like NS9 or LNS15 noise shaper at output rates of >=352.8k. Note that when I measure I take into account whole output spectrum up to 5 MHz...
  4. M

    ESS THD ‘Hump’ Investigation

    That is block diagram of the ESS Sabre, all that is inside the chip and thus applies to all designs using the same chip... You can configure the THD compensation on/off, and it makes pretty huge difference actually. But it is separate from the IMD hump.
  5. M

    Review and Measurements of Holo Audio May --- Probably the best discrete R2R DAC

    I use both, plus 200 MHz bandwidth 8-bit device (1 GS/s)... So far it is best resolution I've found for 5 MHz or more bandwidth. I would actually prefer 10 MHz bandwidth with 16-bit or more. Good for testing out of band signals. To stay on topic, here's Holo Spring 2, with OS PCM enabled, 0 -...
  6. M

    Review and Measurements of PS Audio PerfectWave DirectStream DAC

    Can you explain why I could be bothered to spend a lot of time arguing? I've already noticed no argument, measurement or listening impression is enough.
  7. M

    Review and Measurements of PS Audio PerfectWave DirectStream DAC

    Uhh no, if I say something about even one thing, and the welcome is such... No, no way. It feels like going to extremist church to discuss different religions objectively.
  8. M

    Review and Measurements of PS Audio PerfectWave DirectStream DAC

    Enough cycles and statistically the outcome becomes relevant, even if there would be occasional mistakes. I've listened my test tracks thousands of times. Most of the time I need only couple of seconds to have an opinion. I do kind of MOS/MUSHRA kind of scoring.
  9. M

    Review and Measurements of PS Audio PerfectWave DirectStream DAC

    You are repeating same old song... Same goes for SINAD figures and all the rest, you need to correlate your claims of audibility to actual evidence regarding the measurement results here too. Those ranking graphs make absolutely no sense if you cannot hear the difference? I'm seeing exactly...
  10. M

    Review and Measurements of PS Audio PerfectWave DirectStream DAC

    I suspect... Since there is no easy straightforward correlation, there are likely missing aspects still. I'm totally fine accepting that world is not ready and perfect yet. Maybe in 500 years we know a bit better. Define top tier DACs? OK, let's say we take RME ADI-2 as an example. You can...
  11. M

    Review and Measurements of PS Audio PerfectWave DirectStream DAC

    Many, and some very likely still unknown. I've tried to discuss this many times before, but the response has been negative throughout. In the end you also need to accept that reaching something totally transparent throughout the (re)production chain is going to be impossible. You can only try...
  12. M

    Review and Measurements of PS Audio PerfectWave DirectStream DAC

    Accurate reconstruction of the original analog waveform, also taking into account deficiencies of the preceding production chain... ;)
  13. M

    Review and Measurements of PS Audio PerfectWave DirectStream DAC

    Point is that SINAD doesn't tell if it's audibly transparent. Some DACs are more transparent than others, even if they have exactly same SINAD figure. Or same DAC driven different way, still having same analog stage performance (SINAD, IMD, etc).
  14. M

    Review and Measurements of PS Audio PerfectWave DirectStream DAC

    Part of my job is to listen for such, but there are things I specifically know to listen for. Just like when listening for submarines and ships through a passive sonar system. But there are three levels, one is the non-focus listening where you listen for the big picture. And then the focus...
  15. M

    Review and Measurements of PS Audio PerfectWave DirectStream DAC

    I use three different analyzers. But for example shape of the filter roll-off correlates, and amount of overshoot analog stages have, and reconstruction accuracy (image levels). And complex behavior of the the SD-modulator. Just to name a few. I've tried to discuss some of these aspect here...
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