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Here’s the output of “lshw”, showing all the hardware:Ĭapabilities: smbios-3.0.0 dmi-3.0.0 smp vsyscall32Ĭonfiguration: boot=normal chassis=notebook family=Not Applicable sku=Not Applicable uuid=80FA5B24-5D8F-0000-0000-000000000000Ĭapabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int5printscreen int9keyboard int17printer acpi usb biosbootspecification uefiĬapabilities: synchronous internal write-back dataĬapabilities: synchronous internal write-back instructionĬapabilities: synchronous internal write-back unified |_ Port 9: Dev 5, If 1, Class=Video, Driver=uvcvideo, 480M |_ Port 9: Dev 5, If 0, Class=Video, Driver=uvcvideo, 480M |_ Port 8: Dev 4, If 0, Class=Wireless, Driver=btusb, 12M |_ Port 8: Dev 4, If 1, Class=Wireless, Driver=btusb, 12M |_ Port 7: Dev 3, If 0, Class=Vendor Specific Class, Driver=, 12M |_ Port 4: Dev 14, If 0, Class=Human Interface Device, Driver=usbhid, 12M |_ Port 4: Dev 14, If 1, Class=Human Interface Device, Driver=usbhid, 12M |_ Port 3: Dev 16, If 1, Class=Audio, Driver=snd-usb-audio, 480M |_ Port 3: Dev 16, If 3, Class=Audio, Driver=snd-usb-audio, 480M |_ Port 3: Dev 16, If 5, Class=Audio, Driver=snd-usb-audio, 480M |_ Port 3: Dev 16, If 0, Class=(Defined at Interface level), Driver=, 480M |_ Port 3: Dev 16, If 2, Class=Audio, Driver=snd-usb-audio, 480M |_ Port 3: Dev 16, If 4, Class=Audio, Driver=snd-usb-audio, 480M
#Record with bisoncam nb pro Bluetooth
Other USB devices: The built-in video camera and bluetooth use the internal USB, output of “lsusb -t”: Wifi: There is a built-in Wifi but I wasn’t using it (ifconfig wlp3s0 down) When I leave the laptop alone long enough the screen does turn off but that’s far longer than the couple of minutes before the distortion occurs. The noise occurs during playback, I didn’t test what happens if I use a known-sane audio source for recording. I also tested 256 as buffer size, no difference. It’s connected to a USB-3.0 port since all 4 ports are USB-3.0īuffer setting: I start jack like this: jackd -r -dalsa -dhw:2 -r48000 -p1024 -n3 -i32 -o32 (no realtime, 1024 samples buffer size). USB-B is connected to the laptop directly, the only other external USB device is the mouse. Processor: Intel(R) Core(TM) i7-6700HQ CPU 2.60GHz I put my information here instead of the Google doc, and I’ll happily answer more questions about my setup or try stuff.Ĭomputer: Laptop, Debian testing, kernel 4.17.0-3-amd64 #1 SMP Debian 4.17.17-1 () x86_64 GNU/Linux I did a firmware-downgrade to 1.94 – Rev 4557 and now the problem is gone. I tried re-booting the computer, hard-resetting the Qu-Pac, unplugging everything etc. I used the QU-PAC to record the signal from my speakers while playing a piece. Then I upgraded to 1.95 – Rev 4561 and the problem started.Įvery couple of minutes the weird distortion occurs for a couple of seconds, very repeatable. I didn’t have the problem with Qu-Pac 1.94 – Rev 4557.