I have revised the table to put more information back into a table form
with less text. I put in a row for generic USB thumb drive style sound
cards. I have added the Behringer UMC22 and Focusrite Scarlett Solo as
cheaper options for broadcasting.
I will work on moving much of the text from that wiki page to the manual
in my PR for the manual ( https://github.com/mixxxdj/manual/pull/60 ). I
think the wiki page should mostly just have the tables of devices, which
are updated more frequently than the manual.
On 09/11/2017 04:00 PM, Daniel Schürmann wrote:
Am 11.09.2017 um 19:21 schrieb Be:
I was using Mixxx to compare my MOTU Ultralite AVB with my RME
Babyface Pro (to decide whether to keep the Ultralite and sell the
Babyface Pro) by sending Deck 1 to one sound card and Deck 2 to the
other. After a while, one of them started crackling. I have not tested
again to check if I can reproduce the issue, but I can try.
This sounds like the issue we have if you disable multi-soundcard sync.
If this happens on any other setting, we have still an issue in our
syncing code. Which Audio API did you use? Could you try it again? Or
test your remaining soundcard with your internal soundcard?
IMO it is better to recommend a DJ splitter cable than USB thumb type
sound card. Those USB thumb type sound cards come from lots of unknown
manufacturers and sometimes have quirks in the hardware and/or driver
that make them difficult to configure, particularly on Windows. On the
other hand, plugging a DJ splitter cable into an onboard sound card is
certain to work if the onboard sound card works and does not have the
issue of using two sound cards.
Interestingly an USB thumb sound card is cheaper than a spitter cable
and has in most cases a headphone amp included and keeps the stereo
signal valid. So If you do not play that sound to your audience, it is a
perfectly valid solution. It is OK not to recommend it. But it feels
also odd remove it entirely from the article. At least we should discuss
pro and cons in the main USB chapter and not ignore it.
On 09/11/2017 11:06 AM, Daniel Schürmann wrote:
Hi Be,
I think your latest changes are not that good. In my experiences
Mixxx works nice without any notable crackling with two soundcards
and we schould note that in the general USB paragraph along with the
disadvantages and not hidden in a special soundcards section.
Remember that not every user plays flac files on a pro PA. We have
also users who play YouTube rips at their living room stereo, and for
those an USB thumb type soundcard for preview just suits.
By the way, what are your two soundcard issues? Do we have a bug for it?
Kind regards,
Daniel.
Am 11.09.2017 8:57 vorm. schrieb "Be" <b...@gmx.com
<mailto:b...@gmx.com>>:
I have added a note about that in the table for the Behringer
UFO202. I also noted that there may be crackling on one sound card.
Although the clock synchronization code helps, in my experience it
is not perfect.
On 09/11/2017 01:20 AM, Daniel Schürmann wrote:
Hi Be,
thank you. Could you please add a sentence, about why using two
soundcard is not recommended?
Something like this:
"
In case if two sound cards, Mixxx needs to sync them using some
extra Cpu. The latency resulting latency is in general a way
bigger than the minimum usable latency of the slowest type
paired"
Thank you.
Kind regards,
Daniel
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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