Distortion from Audiolab 8200CDQ via USB on Tinkerboard S, e

Help and Support Help
1

Hi,

I upgraded my Pi3B Volumio setup to an Asus Tinkerboard S, hoping for a cleaner sound via USB. The Pi3b used to happily talk to my Audiolab 8200CDQ via USB. Using a clean build of the latest tinkerboard distribution, volumio detects the “Audiolab 8200 Series” USB output and I can perform all the usual configuration via the GUI. However, anything I try to play is horribly distorted; I have tried several bit rates and sample rates and file types, including Spotify Connect. I have tried different buffer settings and enabled/disabled resampling, no change. Everything seems to play at 24 bit according to the 8200CDQ display, despite resampling being “off”.

Has anybody had any success getting this to work? I know @JohnW has been here many times before, surely it’s been resolved?

Many thanks for looking,
Tom4c.

2

BTW, “lsusb -t” returns:

volumio@volumiolounge:/boot$ lsusb -t /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M |__ Port 1: Dev 2, If 0, Class=Audio, Driver=snd-usb-audio, 480M |__ Port 1: Dev 2, If 1, Class=Audio, Driver=snd-usb-audio, 480M |__ Port 1: Dev 2, If 2, Class=Audio, Driver=snd-usb-audio, 480M |__ Port 1: Dev 2, If 3, Class=Audio, Driver=snd-usb-audio, 480M |__ Port 1: Dev 2, If 4, Class=Audio, Driver=snd-usb-audio, 480M |__ Port 1: Dev 2, If 5, Class=Audio, Driver=snd-usb-audio, 480M |__ Port 1: Dev 2, If 255, Class=Human Interface Device, Driver=usbhid, 480M /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=dwc2/1p, 480M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc2/1p, 480M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M |__ Port 1: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 12M |__ Port 1: Dev 3, If 1, Class=Audio, Driver=snd-usb-audio, 12M |__ Port 1: Dev 3, If 2, Class=Audio, Driver=snd-usb-audio, 12M

“lusb -v” returns ovr 7000 lines of text, so I cannot post it! is there anything I should be ‘grepping’?.

3

Yeeeeeeeeees!

Volumio version 2.811 has solved this on my Asus Tinkerboard S. Thank you!

I assume that this will also work for the Audiolab M-Dac as it’s so similar to the 8200 CDQ.