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Smyth Research Realiser A16

Discussion in 'High-end Audio Forum' started by jgazal, May 7, 2016.
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  1. audiohobbit
    When creating only a flat EQ then auto EQ and flat EQ curve will both be the same: flat. -> manual p. 77

    On the other hand when you create a real auto HPEQ (with the mics in your ears) it will also automatically create a flat curve.

    But as we need only a flat curve as a starting point for this manLOUD procedure I'll advise to just create a flat HPEQ by one click.
    Last edited: Nov 8, 2019
  2. Om ma Ni
    So i can pick up an old autoEQ file and perform a FlatEQ on it to "convert it" back to flat before the manLoudEQ procedure?
    BTW, very happy with the APM89 bass instead of the SVS one..no more noticeable distortion!
  3. audiohobbit
    You don't have to convert it. (And you can't either). An autoEQ HPEQ file already contains a flatEQ. You just have to select the flat EQ part from this for Man Loud start.

    BUT if you make a new manLOUD curve and select again the same file as a starting point the old manLOUD curve will be overwritten!

    Since I want to have one completely separate file per manLOUD curve I recommend to create a new flat HPEQ for every manLOUD.

    If you use both BBC and Surrey room with one headphone you'll need two different manLOUD curves. If you also use 2 different headphones with both rooms you'll already need 4 different manLOUD curves.

    And as I already said it is best if you do the manLOUD procedure for all of the 3 possible speaker selections from the PRIR (L+R, C, L+C+R) and compare them afterwards to see which sounds best, you need 3 different files for one headphone and one room.
    After you found your best sounding manLOUD curve, you can of course delete the other two.
  4. Om ma Ni
    Wow .. i see...Please could you explain what do you mean by "sound best"? Is it related with the tone, texture , coloration etc of the sound of the virtual speakers but also related to the precise multidimensional separation and localisation of these same speakers? I mean, does the manLoudEQ can also improve the localisation of the virtual speakers in the room if properly done?
  5. audiohobbit
    Yes, especially for the center sound.
    Sounds comeing from directly in front of you don't cause any interaural time delay, they arrive at both ears at the same time. So our brain already has one variable less to calculate the direction.
    This leaves only the HRTF (head related transfer function), the frequency respons in your ear canal which is heavily affected by the shape of your ears, head and upper torso.
    If this frequency response is wrong you could perceive sound coming from front as coming from above or too near or so.
    See also the term "Blauert bands" for reference.
  6. Om ma Ni
    That is very interesting...I will dig in..will perform and test the multiple manLoudEQ (L/F, C etc..)
    So knowing that we need to redo manloudEQ for each different rooms, do we also need to do it for each virtual speaker configurations for the same virtual room for instance?
  7. audiohobbit
    You can only do it for 3 options of the front speakers. L+R or C or L+C+R. Those are the most important ones.
    It could be that even if you only listen to stereo music (so L+R) the manLOUD HPEQ made with the C speaker could sound better.

    That was the case with my in ears for example.

    For my LCD2 I did only one manLOUD HPEQ with L+R and am quite happy with it for all speaker configurations. Although I haven't tried the other options, maybe they turn out to be even better?

    For my in ears I also started with a manLOUD HPEQ using L+R and I was not satisfied with tonality at all and center (be it "real" or phantom) localisation.
    Then I did the other two also, C only and L+C+R. Turned out that both of them are very similar and both sound better than the one made with L+R.
  8. Om ma Ni
    Ok so i did some manLoud EQ with the L+C , C only and L+C+R, room was 7.1.4 surrey..wanted to perform them "quickly" to be able to really compare..
    I must admit that it was hard in beginning for my poor ears again...but getting use slowly to all the steps so it s a very good training!
    At the end from my ears, my best manLoud EQ was with the L+C+R..watching atmos movies and could really feel that the sound was more dynamic and full of body..
    which is i think, a good sign that i am getting close to a decent EQ..
    One thing i noticed with the manLoud EQ in my case, is that the overall sound is more dull ..like turning bit dark..
    I really hope that i am on the correct way to master this maneLOUD EQ..
  9. esimms86
    Per the KS comments section, backer #105 has received a shipping address confirmation email.
    VandyMan likes this.
  10. esimms86
    Has anybody with an A16 already converted PRIR files from the A8 dropbox to A16 format? If so, then uploading them to a shared dropbox would save a lot of us from investing in a redundant effort. It would be greatly appreciated and thanks in advance.
  11. Fox1977
    Thanks for lettings us know... getting closer to my #203...
  12. sander99
    esimms86 likes this.
  13. Richter Di
    With my A16 coming hopefully Monday, could someone help where to get the right cables to connect the analog outs of the A16 to an amplifier. Nothing to fancy but with at least 2 meter length. Thank you!
  14. Eich1eeF
    Any 3,5mm (1/8 inch) to Cinch cable off ebay or amazon or from your favorite HiFi dealer or electronics store should do, assuming your Amplifier has Cinch inputs, which should apply to > 99% of all consumer products. Those cables are commonly used to connect computer sound cards or mobile audio devices to active speakers or (pre-)amplifiers.

    If you're going with long cables to get 5.1 or more channels hooked up at the same time, labeling the plugs or possibly even better, getting the correct color coding for surround channels (https://en.wikipedia.org/wiki/Surround_sound#Channel_identification) might be a beneficial. I'll probably borrow the cable label printer from my office to make a few labels for my cables, but I've got no Idea how to quickly, easily and cheaply get the color coding right.
  15. Om ma Ni
    Just wondering something atm..does the A16 can extrapolate a genuine atmos signal from 7.1.4 to 9.1.6 or +?
    Bc most of the atmos movies are in 7.1.4 in general...played some movies set in 7.1.4 with my A16 set to 9.1.6 room but the extra virtual speakers didn t play any signal or sound so far..?
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