To be clear, onboard sound cards and USB class compliant sound cards
(which includes every sound card listed on the wiki) should both work
with WDM-KS? Are you sure all onboard sound card drivers work with
WDM-KS? So we should we edit the manual to recommend using WDM-KS in
this situation? Should we change the default on Windows to WDM-KS? What
advantage does ASIO offer over WDM-KS?
On 09/14/2017 03:29 PM, Daniel Schürmann wrote:
No, most Soundcards have a WDM driver and some have also an ASIO driver.
It looks like all listed USB soundcards works with the gneric Windows
USB sound driver.
This might be the usually story:
* A user byes an USB soundcard with an ASIO driver from CD
* He installs the ASIO driver, and configures his new device with ASIO
and Mixxx
* Now he cannot use the onborad sound :-(
* he install the ASIO4All driver
* The ASIO4All driver graps the onbord Soundcard and the USB soundcard
via WDM
* result Sound is crackling.
* after messing around the user might be able to configure ASIO4All for
its onboard sound only and the extra ASIO driver for his external soundcard
* result is crackling, because of the long latency and the still short
buffer in Mixxx
* hours later, the Mixxx buffer is back at default 23 ms and the ASIO
solution works.
Behringer makes the situation worse by shipping ASIO4ALL to pretend to
be an ASIO device
Denon recommend to de-install all other ASIO drivers because of these
problems
The better story:
* A user byes an USB soundcard with an ASIO driver from CD
* He installs the ASIO driver, and configures his new device with ASIO
and Mixxx
* Now he cannot use the onborad sound :-(
* Switch Mixxx back to WDM
* confgure both soundcards
* tweak the buffer
* have fun
Maybe we should detect ASIO4All and warn the user ;-)
Am 14.09.2017 um 19:44 schrieb Be:
Wouldn't that normally be the case when combining an external sound
card and onboard sound card on Windows?
On 09/14/2017 08:54 AM, Daniel Schürmann wrote:
Ok, I have read a bit more. The only reason that justifies asio4all
is to combine a Asio card with no WDM driver and a WDM card with no
Asio driver. Using asio4all without any other Asio device is just an
unnecessary software between Mixxx and the soundcard.
Using two WDM soundcards via asio4all may crackle.
Am 14.09.2017 3:30 nachm. schrieb "Daniel Schürmann"
<dasch...@mixxx.org <mailto:dasch...@mixxx.org>>:
Ah, ok I understand. Asio4all makes the things worse. We already
recommend to not use it at all. I think we already have a paragraph
for it so we can remove the crackling issue from the asio4all
unrelated paragraphs. And give an advise "If you think you need
asio4all, use WDM"
Am 14.09.2017 12:03 nachm. schrieb "Be" <b...@gmx.com
<mailto:b...@gmx.com>>:
We still have the issue with ASIO on Windows only supporting one
sound card at a time. ASIO4ALL can present an aggregate device,
but in this case, if I understand correctly, Mixxx's clock sync
code is irrelevant. Users have reported crackling using ASIO4ALL
this way ( https://mixxx.org/forums/viewtopic.php?p=30983#p30983
<https://mixxx.org/forums/viewtopic.php?p=30983#p30983> ).
On 09/14/2017 03:29 AM, Daniel Schürmann wrote:
Hi Be,
Thank you for your latest changes.
Here some comments:
and you cannot hear the arrangement of different sounds
in space.
and you lose the stereo effect, the arrangements of ...
However, this increases latency and there may be
crackling on one sound card.
Also, using multiple sound cards increases latency and
there may be crackling on one sound card, so
It was a lot of work to remove the crackling in this case,
so it throws a bad light on Mixxx if we still pretend this.
Can we just remove the second part until we have the
evidence that the cracking is still there?
The only remaining issue is that Mixxx removed or duplicates
stereo samples to catch up. You loose bit perfect but this
cannot be heared. The same is done for example if you push
the rate slider a minimal step.
Am 11.09.2017 1:32 vorm. schrieb "Be" <b...@gmx.com
<mailto:b...@gmx.com> <mailto:b...@gmx.com
<mailto:b...@gmx.com>>>:
I have revised the table of USB sound cards on the wiki
to have less
technical mumbo jumbo and more user friendly
explanations of the
pros and cons of different devices. I have also removed
some
discontinued and unpopular devices. I hope this is more
useful now
for users considering what hardware to get.
https://mixxx.org/wiki/doku.php/hardware_compatibility#usb_sound_cards
<https://mixxx.org/wiki/doku.php/hardware_compatibility#usb_sound_cards>
<https://mixxx.org/wiki/doku.php/hardware_compatibility#usb_sound_cards
<https://mixxx.org/wiki/doku.php/hardware_compatibility#usb_sound_cards>>
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