3551 ALPHA released

Discussion in 'General Discussion' started by Eugene Gavrilov, Dec 18, 2010.

  1. Eugene Gavrilov

    Eugene Gavrilov kX Project Lead Programmer and Coordinator

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    Hi guys,

    3551 is finally out. I've been working on it for the last two months. I hope it solves some of your issues, and, well, we are approaching 10-year anniversary of the kX Project :)

    This is ALPHA version, I made some changes that might not work as expected, might be incompatible with existing plugins etc...
    If everything works fine for you, don't update :)

    Changes:

    * Fixed issue with Wave HQ unsupported in Windows 7 (should work with all p16v-compatible cards now). p17-based cards will NOT support Wave HQ (as usual)
    * Fixed mapping for Audigy2 ZS notebook side outputs
    * Fixed kX Mixer memory leak (system hangs while HDD activity is high, kxmixer allocates a lot of memory), specific to Windows 7
    * Fixed kX Mixer combo boxes showing no settings, empty lists (SPDIF and similar options), specific to Windows 7
    * Added support for 32/64 ASIO clients under x64 OS (new feature)
    * Improved 32/64-bit installer with support for UAC
    * Fixed ASIO registration issues under x64 OS
    * Fixed issue with ASIO driver not showing correct device names (you may see a UAC message when starting kX Mixer, this is OK)
    * Installer updated, removed several shortcuts, added new ones, simplified installing, removed legacy code
    * Fixed AC3 decoding not working under x64 OS
    * Fixed AC3 passthrough problem introduced in 3543, should work fine now for Audigy/Audigy2

    SDK changes:
    0. License agreement is GPL now
    1. Changed ‘char *’ to “const char *” in most places, some plugins might no longer load, need to update and re-compile them
    2. KX_MAX_NAME is now obsolete, use KX_MAX_STRING [set to 128 by default]
    3. More parts of the driver released open-source under GPL
    4. OS X driver released opensource (without kX HAL though, just CoreAudio layer)

    Here's the list of the problems I'm currently working on (cannot promise I fix them, but I'll do my best):

    * improve audio quality for master mixer under windows 7
    * memory leak in directsound applications (need more input on this in corresponding thread)
    * sfman32 is not functioning properly because it (and kxapi.dll) are not located in system32 folder
    * IR remote/multimedia keyboard under Win64
    * soundfonts under x64

    ========================
    Please post your bug reports here:
    http://www.hardwareheaven.com/bug-reports/206607-3551-bugs.html

    Your donations are always welcome :)
    I got about $200 for the last 3 years, btw...

    Good luck and Merry Christmas ;)

    E.

    P.S.
    ah, the url:
    http://www.kxproject.com/kxdrv3551-full.exe
    This is unified build for both x86 and x64, for Windows XP, Vista and 7 "all in one" + the SDK...
     
    Last edited: Dec 18, 2010
  2. qweiwei

    qweiwei New Member

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    thanks for the work, testing!
     
  3. mkk

    mkk Well-Known Member

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    Woot, woot! Don't mind testing at all. :)
     
  4. Tyrsonswood

    Tyrsonswood HH's curmudgeon

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    Will be testing tomorrow, Thanks, E! You the man!
     
  5. ivanlaszik

    ivanlaszik New Member

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    Awsome, thanks a dozen.
    It is already installed :D
     
  6. JGSF

    JGSF New Member

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    Thanks, E.! :drool:
     
  7. Dave_Scream

    Dave_Scream New Member

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    Îòâåò: 3551 ALPHA released

    im dreaming about closing crackling problem - when sound after some os working time start to crackle more and more when u make some stuff in browser for example.
     
  8. melotron

    melotron New Member

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    Hi :duh:

    "* Added support for 32/64 ASIO clients under x64 OS (new feature)" yeah!
    I'm dreaming about it :w00t: :drool: :x

    Eugene, you are the master. Thanks!
     
  9. silvertones

    silvertones New Member

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    I should be able to test the side outs this weekend.
     
  10. mkk

    mkk Well-Known Member

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    With my Audigy2 card it was enough to increase the playback buffer one step to 10.00ms in order to get rid of crackling with Master Mixer as default output.

    [​IMG]
     
  11. xor_2

    xor_2 New Member

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    in 3550 I to be safe increased all buffers and there were no crackling at all no matter what computer was doing ;)

    but who would care with Master Mixer anymore when HQ works and doesn't have that kind of issues? :w00t: HQ is 96KHz 24bit and it have huge advantage in resampling. Win Vista and Win7 resamples everything to frequency of sound card and it's way better to resample to 24/96 than 32/48!!! Expecially that card DACs are 24/96... Now I can set straight line from P16V to K2LT and change sound setting just in sound programs and don't care with ASIO to achieve high quality sound :cool:

    I find (on Vista/Win7) quality of audio on 2/3, 4/5, 6/7 terrible it bites my ears. Noise everywere (from windows resampling wchich isn't top quality and on 16/48 does incorporate massive -90dB noise clearly audible on my A4PRO and RP-F30). Master Mixer was way better but still clarity of sound was nowhere what I could get using ASIO and utra quality resampling setting in winamp asio plugin. Now HQ have default comparable (if not better) performance and withouth whole ASIO hassle :drool:
     
  12. mobomofo

    mobomofo New Member

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    Freakin awesome Eugeneous!
     
  13. xor_2

    xor_2 New Member

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    there is a simple way to test if HQ is all way superior than 2/3 and Master Mixer altogether :rolleyes: and ofcourse test if HQ is working as expected in true 24bit.

    just set up to three gain (i used three stereomix+gain's) and set it to +24dB then in set set volume 1% in in audio application (I tested in winamp) and play music. On 2/3 there will be massive background noise, which is more irritating than normal noise as it resembles digital artifacts :mad: On Master Mixer sound will be more artefacted but without noise, still very bad anyway. On HQ sound was clear and lovely :taste: This proves HQ is the only sound patch to use as it doesn't incorporate audible noise (with 96KHz sampling not audible to humans anyway) and have true 24bit depth so hd material will sound good and volume regulation won't make 16bit material to have less bitdepth.

    Master Mixer claim to have 32bit but it is oviously not true. Windows resample do 32/48 so it doesn't incorporate noise like in 2/3 wchich is 16/48 but it does incorporate clipping as it resamples to false bitrate :annoyed:

    To my ears HQ sound much better than 3550 ASIO anyway and it should be used without any hesitation :D

    ps. How can I donate to our driver (eu)genius? :confused: :rolleyes:
     
  14. mkk

    mkk Well-Known Member

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    I can't seem to find a way to apply a surrounder plugin or even change the volume(which is very loud by default) of the Wave HQ path, but it seems very intreaguing.
     
  15. Jani-

    Jani- New Member

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    This totally rocks! Thank you very much
     
  16. nakamichi

    nakamichi New Member

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    @Eugene Gavrilov: You need to test the kX drivers with the Windows UAC set to 'Always Notify' (maximum protection) , not the default Windows setting.

    'Always Notify' (UAC slider at the highest position) is what most people use these days. Enable Full DEP protection (nx = Always On) with bcdedit.exe as well.

    Also test with a password-protected account and wait a minute or two at the login screen before entering the password and logging in.

    There are a lot of issues: kX ASIO not registered, kX mixer tray app not loading after logging in, DSP settings not saved, some kX mixer settings are not saved, ...
     
    Last edited: Dec 22, 2010
  17. nakamichi

    nakamichi New Member

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    WASAPI exclusive mode still doesn't work with a SB0240 card :(

    I still get the 'output format not supported' error.

    Anyone have a SB0240 (standard Audigy2 retail) to test / confirm this issue?

    Test with XMPlay (+ latest WASAPI plugin) and Foobar2000 with the WASAPI output plugin.
     
    Last edited: Dec 22, 2010
  18. xor_2

    xor_2 New Member

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    UAC is evil and it must be disabled at all time to save user... from annoyement :rofl: ;) In Vista though default is something like "always notify" so checking it out would help many people using this OS.

    There are many issues, like not saving setting in kx dsp and ASIO is missing (was working in 3550, my os 32bit vista, uac off). So it is true ALPHA but still it is best sounding driver for my A4PRO to date :taste:
     
  19. jaromanda

    jaromanda Active Member

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    surely, these bug reports would be better off in http://www.hardwareheaven.com/bug-reports/206607-3551-bugs.html
     
  20. RPGWiZaRD

    RPGWiZaRD New Member

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    YAY, this is the BEST xmas present I will get this year by far! ^^

    BTW, I've tried donating in past but it was rejected I think...

    Thanks for keeping kX Audio drivers alive, if only my knowledge in programming would be better I'd definitely wanna work on this project. It would be a shame to see a project like this dying before at least the most important bugs for Windows 7 would be fixed such as the Master Mixer distortion which is needed for 5.1/7.1 setups. Windows 7 will probably stay around being popular for quite a while and be very viable OS choice to use for the next 4-5 years at least and take over Windows XP's popularity base sooner or later.
     
    Last edited: Dec 23, 2010

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