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Ubuntu 16.04.04 64 bit LTS & Oppo Digital HA-1 DAC & Headphone Amplifier

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Awesome Donkey:
Try running this in a Terminal and posting the output here:


--- Code: ---/usr/lib/jriver/Media\ Center\ 21/alsacap
--- End code ---

wellywu:
wellywu@ZareasonZeto:~$ /usr/lib/jriver/Media\ Center\ 21/alsacap
*** Scanning for playback devices ***
ALSA lib conf.c:3357:(snd_config_hooks_call) Cannot open shared library libasound_module_conf_pulse.so
ALSA lib control.c:954:(snd_ctl_open_noupdate) Invalid CTL hw:0
Error opening control interface for card 0: Device does not exist.  Skipping.
Card 1, ID `NVidia', name `HDA NVidia'
  Device 3, ID `HDMI 0', name `HDMI 0', 1 subdevices (1 available)
    2..8 channels, sampling rates 32000, 44100, 48000, 88200, 96000, 176400, 192000 Hz
    Sample formats: S16_LE, S32_LE
      Subdevice 0, name `subdevice #0'
  Device 7, ID `HDMI 1', name `HDMI 1', 1 subdevices (1 available)
    2..8 channels, sampling rates 32000, 44100, 48000, 88200, 96000, 176400, 192000 Hz
    Sample formats: S16_LE, S32_LE
      Subdevice 0, name `subdevice #0'
  Device 8, ID `HDMI 2', name `HDMI 2', 1 subdevices (1 available)
    2..8 channels, sampling rates 32000, 44100, 48000, 88200, 96000, 176400, 192000 Hz
    Sample formats: S16_LE, S32_LE
      Subdevice 0, name `subdevice #0'
  Device 9, ID `HDMI 3', name `HDMI 3', 1 subdevices (1 available)
    2..8 channels, sampling rates 32000, 44100, 48000, 88200, 96000, 176400, 192000 Hz
    Sample formats: S16_LE, S32_LE
      Subdevice 0, name `subdevice #0'
Card 2, ID `Headset', name `Logitech G35 Headset'
  Device 0, ID `USB Audio', name `USB Audio', 1 subdevices (1 available)
    2 channels, sampling rates 8000, 11025, 16000, 22050, 32000, 44100 Hz
    Sample formats: S16_LE
      Subdevice 0, name `subdevice #0'
Card 3, ID `C920', name `HD Pro Webcam C920'
Card 4, ID `DAC', name `OPPO HA-1 USB AUDIO 2.0 DAC'
  Device 0, ID `USB Audio', name `USB Audio', 1 subdevices (1 available)
    2 channels, sampling rates 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000 Hz
    Sample formats: S32_LE, SPECIAL
      Subdevice 0, name `subdevice #0'
wellywu@ZareasonZeto:~$

wellywu:
This is not a JRiver problem per se. It's outside of the scope of JRiver, but I thought to post my thread here and see what some members have to say.

The funny thing is that Oppo Digital HA-1 USB 2.0 DAC is listed, but when I find and select it, I get either a DoP 2.8 MHz or ALSA 16 bit 44.1 kHz playback error. No music or audio plays as a result.

st1:
it might be related to this bug (?)

https://bugs.launchpad.net/ubuntu/+source/fwupd/+bug/1574079
http://askubuntu.com/questions/762414/problems-with-audio-device-alc-889-ubuntu-16-04/766069#766069

I did not have troubles with 14.04, but after upgrading to 16.04 or making fresh install 16.04 the  problems started.

Disconnecting & reconnecting the audio device usb cable few times I can see device in  ubuntu sound settings, but no sound.

And only audio that is visible is HDMI and even that has quality problems.  My nuc pc has i7 so it is not lack of performance.

wellywu:
I read the Ubuntu 16.04 fwupd bug tracker and I added the PPA and followed the directions. I unplugged my Oppo Digital HA-1 from the USB. I reset the Oppo Digital HA-1. I opened the terminal and typed in sudo killall fwupd. I added the ppa. I rebooted. I plugged in the Oppo Digital HA-1. It still does not work. I can not see or select my Oppo Digital HA-1. Consequently, I get no sound. Thanks for this bug report and tracker, but it does not work for me.

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