Recent content by Francis Vaughan

  1. Francis Vaughan

    Why evaluating the sound of a single speaker is essential

    I think this is the crux of this thread. Differences are not in and of themselves flaws. That is the line where “how far you go” is drawn. This now involves defining those differences that should not be included. Which requires application of knowledge of the subject. And, where it starts to...
  2. Francis Vaughan

    Why evaluating the sound of a single speaker is essential

    I don't think this has anything to do with whether a speaker is blameless. This entire thread has been about whether a speaker has certain identifiable flaws. Blameless isn't intended as a standard. It is intended as a starting point. (I've cut a longer response since it became off topic. The...
  3. Francis Vaughan

    Why evaluating the sound of a single speaker is essential

    Chiming in rather late to the party. Something that occurred to me is whether we have reached the point where we could talk about a blameless loudspeaker. Clearly I'm stealing the term from Douglas Self, but in somewhat the same manner as Douglas defined what a blameless amplifier should be...
  4. Francis Vaughan

    Sharing my Linux-based Software DSP app for IIR DSP, Loudspeaker Crossovers

    Chiming to say this looks fabulous. I suspect a lot of readers don't realise what is embodied here. I use GStreamer a lot in my day job, and had been musing that exactly this approach would be an excellent way forward for a lot of uses. The idea of building up an active loudspeaker with say a...
  5. Francis Vaughan

    Any relatively affordable 4 Channel Amp+Dsp in one (little) Box?

    A left field answer is to check the market for old AVRs. Lots of older units that don’t do Atmos all the way to not even any sort of digital video, often at very low prices. Sometimes quite high end units. Annoyingly you get an odd number of channels, which is almost always the wrong number...
  6. Francis Vaughan

    What Does 120 dB SINAD Really Taste Like?

    It’s a neat idea, but all sorts of confounding factors come into play. In audio, masking effects make a huge difference. The salt detection analogy is closer to a threshold of perception of sound. Not threshold of detection of a contaminant. Perhaps a better analogy would be detection of salt...
  7. Francis Vaughan

    Genelec 8550A headphones

    They use a video of you. They then reconstruct the surface and compute the HRTF. Not sure of the specifics. Working out the exact size versus proportions must need something to provide absolute size. The implication is you might be able to just use your phone to make the needed video. It is...
  8. Francis Vaughan

    Genelec 8550A headphones

    But this isn’t the point. Your well tuning provides a particular sound. You may be used to it and happy to use it for purpose. It may sound better, and be objectively better, than these headphones. But it won’t sound the same as a physical set of Genelec monitors in a known configuration. And...
  9. Francis Vaughan

    Genelec 8550A headphones

    Popped in to point to this video. Fabulous video, and worth watching from the start as a really nice insight into the world and history of Genelec. Here there is a reasonably deep discussion of the headphones and the rationale for them. The executive summary is simply that Genelec are not in the...
  10. Francis Vaughan

    Impact of AC Distortion & Noise on Audio Equipment

    Latency is the elephant in the room. A heck of a lot of music is produced "in the box" to the extent that they dispense with human players for many tracks and autotune the hell out of singers etc. But if you want actual real life humans creating real life music, there are limitations to what you...
  11. Francis Vaughan

    Impact of AC Distortion & Noise on Audio Equipment

    There is a clear logical fallacy of false syllogism occurring here. The tests so far have been: There is a claim that poor audio equipment can benefit, Here is a poor bit of equipment, It didn't benefit, Therefore, there do not exist any examples of equipment that can benefit. This is junk...
  12. Francis Vaughan

    Impact of AC Distortion & Noise on Audio Equipment

    How? What are the technical and regulatory steps that can fix this?
  13. Francis Vaughan

    Impact of AC Distortion & Noise on Audio Equipment

    How do you propose that the mains borne control signals be fixed? They are fed into your house from the street supply. What about local electrical equipment, your next door neighbour's welder, the motor switching noise from the factory in the next block. Getting it fixed is not always possible...
  14. Francis Vaughan

    Impact of AC Distortion & Noise on Audio Equipment

    Nope. I'm not arguing that at all. I'm arguing that the tube based devices have so much intrinsic distortion (due to the use of tubes we assume) that they totally mask anything their power supplies may or may not do to the sound. They are dreadful no matter what AC power they are fed with. Thus...
  15. Francis Vaughan

    Impact of AC Distortion & Noise on Audio Equipment

    Sure, there are no end of idiots. They buy special cables and cable lifters for the same reasons. But I'm not sure the prime goal of ASR is to save these people from themselves. They refuse to be convinced about a lot of other woo, so why would measurements here help? Whilst they are seriously...
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