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Message #10236
[Bug 1923841] Update Released
The verification of the Stable Release Update for alsa-utils has
completed successfully and the package is now being released to
-updates. Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report. In
the event that you encounter a regression using the package from
-updates please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regressions.
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https://bugs.launchpad.net/bugs/1923841
Title:
[SRU] Increase recording quality
Status in HWE Next:
New
Status in alsa-utils package in Ubuntu:
Fix Released
Status in alsa-utils source package in Focal:
Fix Released
Bug description:
[Impact]
Audio gets recorded by "arecord" has really bad sound quality when the volume is low.
[Fix]
https://github.com/alsa-project/alsa-utils/pull/69
Switch the default audio format from 8 bits to 16 bits if hardware supports it.
[Test]
1. Plug a microphone.
2. Run `arecord | aplay` and say something to the microphone.
3. Only noise can be heard.
With the fix applied, the recording is clear.
[Where problems could occur]
If there's any hardware falsely advertised to support 16 bits, this change will break them.
However, this is effectively using `arecord -f cd` or `arecord -f cdr`, so that's not likely.
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References