Hello
I am having a problem with the Yoga AD-100 (Virtual 5.1 Channel USB
Adaptor) sold by Jaycar. When I plug it directly into a motherboard usb
port I get good clean analog stereo audio. However when I plug it into a
USB 2.0 powered Hub or USB 2.0 repeater which is turn plugged into one
of the motherboard usb ports I get the audio overlaid with a very
annoying random continuous "tac-tac-tac" sound whose amplitude is not
affected by the player audio volume control. In other words the "noise"
is still there when the audio is off.
When I repeated this experiment with another brand of usb audio adaptor
this did not occur.
Linux: 2.6.10-5-686 ubuntu 5.04
xmms 1.2.10 using alsa
I gather the AD-100 uses a common usb DAC which leads me to suspect that
I have missed setting some parameter.
Thanks in advance for any help you can provide.
Henry
Interested in the applications of technology - past present and future -
especially unusual.
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