garbled sound after disable WiFi

[newlifedrama]

I have been using SCS for a few years, and ran into a new problem during my current theatre show. I have a new Behringer X32 mixer that I connect to a Dell Inspiron laptop and send all the sound to it using ASIO drivers. Everything was working fine, but then all of a sudden I would get totally distorted sound, like a mixture of static and distortion and the garbled original track. Restarting SCS cures the problem, until it happens again - this makes me suspect it is not some OS driver, but rather something in SCS or BASS?

It seemed to occur randomly, but yesterday I finally figured it out definitively - when I disable the WiFi using the F2 button the sound instantly gets garbled. Normally I do not enable/disable WifI, but during a production I tend to disable it before the show.

I am not sure if it is the X32 usb driver, BASS audio lib, ASIO, or something else. Mike - if you have any experiments I can perform , I'll be happy to do so. I will also try running my old FocusRite Scarlett 8i6 USB sound box over USB and see if I get distorted sound - that will eliminate the X32 driver code from the equation.

I am also interested if anyone else has experienced this problem.

[newlifedrama]

OK, I tried out the same laptop with a FocusRite Scarlett box using ASIO(BASS) drivers, and there is no problem. So the bug must be something in the Behringer X-UF driver, unless anyone has other ideas. I might be able to see if I can reproduce it with a pgm other than SCS, e.g. just letting windows media player output sound that gets routed over USB to the X32 mixer.

Anyway - it's not a critical bug as I can easily avoid it but not disabling WiFi.

[Mike Daniell]

Might be worth comparing the ASIO buffer size of the X32 with that of the 8i6. If the X32 has a significantly lower buffer size then try increasing it.

[newlifedrama]

I haven't compared them yet, but I did double the ASIO buffers for the X32 and no change in behavior, and then I got a BSOD (blue screen), so I'm reverting back to the default settings and not messing with it. The garbling is constant , so not likely a buffer overrun which tends to be intermittent. This is really trashed sound.

[derick]

I have a X32 rack (new USB card) and tried to reproduce it to no vain.
The combo will stay rock stable even at 256 samples.

Could be the drivers of the new usb card is more stable than the older XUF card.

Did you tried it yet with an other program (media player, Itunes, a DAW)?

Btw, i run it on a HP elitebook 8570p windows 7 64 with a ssd and 16Gb ram

[newlifedrama]

I will try it with other programs, I suspect it is the USB X-UF driver , and perhaps its interaction with the actual USB chip, and that is probably somewhat particular to this machine. So it may not be easy to reproduce. Anyway, now that I stop pushing the F2 button, I haven't had a problem.

Thanks for trying to reproduce the bug, I am hoping it will go away with a new set of drivers sometime in 2014.

[StephenG]

I have the exact same problem with my Scarlett 18i8, although even if I don't press the F2 problem I get the same problem intermittently.