ALSA sound system - sounds are broken and intermittent
Bug #1571322 reported by
David Chatterton
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Ubuntu MATE |
Invalid
|
Undecided
|
Unassigned |
Bug Description
When selecting Sound Preferences > Hardware > Test Speakers, the expected response: Front Left and Front Right is invariably incomplete or is not reproduced at all.
Other applications attempting to use the built-in sound system demonstrate the same broken or intermittent behaviour.
Note: this is using sound output from a Raspberry Pi 2 or 3 via HDMI and a monitor with built-in speakers. Since the monitor works properly with sound over HDMI via a laptop running Ubuntu (64 bit), it is presumed that the Ubuntu MATE (16.04 Beta 2) implementation on the armhf for Raspberry Pi 2 & 3 is at fault.
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We can't track Raspberry Pi issues in LP, since the Pi images are community supported. That said, try configuring hdmi_overdirve=2 in /etc/config.txt then come and discuss the issue over at the Ubuntu MATE community :-)
* https:/ /ubuntu- mate.community