Bug 104781 - Ability to choose/override the sample rate of a sink
Summary: Ability to choose/override the sample rate of a sink
Alias: None
Product: PulseAudio
Classification: Unclassified
Component: core (show other bugs)
Version: unspecified
Hardware: Other All
: medium enhancement
Assignee: pulseaudio-bugs
QA Contact: pulseaudio-bugs
Depends on:
Reported: 2018-01-25 03:18 UTC by Jérôme Carretero
Modified: 2018-07-30 10:03 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:


Description Jérôme Carretero 2018-01-25 03:18:45 UTC
While performing tests on a USB audio DAC, I wanted to select a specific sample rate, but noticed that the only way to do so was by disabling anything that might get plugged on the sink (eg. running pavucontrol creates peak-detect elements, and I've seen it affect the sample rate selection) and playing sounds having that particular sample rate.

Having the ability to force a sink sample rate (and sample type) would be quite practical in this particular (niche I admit) use case, I don't know if there are other relevant ones (testing of resamplers? defective sample rate on a device?).
Comment 1 Tanu Kaskinen 2018-01-26 01:50:46 UTC
You can force a particular sample rate on all sinks (no per-sink configuration support) by setting "default-sample-rate" and "alternate-sample-rate" to the same value in /etc/pulse/deamon.conf.

I suppose it would be nice to be able to do the configuration in pavucontrol or other GUI without restarting pulseaudio, and to configure the sample rate on per-sink basis. I don't expect that the feature will be implemented any time soon, unfortunately (unless you write the code yourself).
Comment 2 GitLab Migration User 2018-07-30 10:03:03 UTC
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.

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