Description of problem: Hardware: The Dragonfly USB audio DAC: http://www.audioquest.com/usb_digital_analog_converter/dragonfly-dac It is detected by PulseAudio as "7 Series/C210 Series Chipset Family USB xHCI Host Controller Analog Stereo" and by lsusb as 21b4:0081. This DAC works out of the box with PulseAudio on Fedora 18, but there are problems with volume scaling: Problem #1: I can switch the output channel to play through the Dragonfly DAC, but at PulseAudio volume settings below 100%, the sound is barely audible. At volume settings above 100% (even 101-103%), the volume quickly shoots up to painful levels. Problem #2: After setting the volume above 100%, the sound plays for a couple of seconds, then the volume is damped back down to inaudible levels, as if the slider were still set to 100% (but it is still showing whatever it was dragged to). It seems like there is a volume governer at work that is automatically turning down the sound. Version-Release number of selected component (if applicable): pulseaudio-2.1-6.fc18.x86_64 kernel-3.9.6-200.fc18.x86_64 How reproducible: 100%
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Fedora 18 changed to end-of-life (EOL) status on 2014-01-14. Fedora 18 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.