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| author | arcnmx <arcnmx@users.noreply.github.com> | 2018-02-21 13:25:08 -0500 |
|---|---|---|
| committer | Orestis <orestisf1993@gmail.com> | 2018-10-11 00:21:03 +0300 |
| commit | ddadc8e4d728923cf5bc7c8a894b103cf061c47d (patch) | |
| tree | f278c0a2e647b589d2f3892881ef1785b105705f /testcases/010-cpu-usage | |
| parent | 494efd49a26ed96d7b0d3d4f69099ccd83e2ccba (diff) | |
Provide a more natural volume percentage with ALSA.
The rationale of the code is explained in the header:
http://git.alsa-project.org/?p=alsa-utils.git;a=blob;f=alsamixer/volume_mapping.c;h=1c0d7c45e6686239464e1b0bbc8983ea57f3914f;hb=HEAD
> The mapping is designed so that the position in the interval is
> proportional to the volume as a human ear would perceive it (i.e., the
> position is the cubic root of the linear sample multiplication
> factor).
and the commit message:
http://git.alsa-project.org/?p=alsa-utils.git;a=commit;h=34bb514b5fd1d6f91ba9a7b3a70b0ea0c6014250
> use a mapping where the bar height is proportional to the audible
> volume, i.e., where the amplitude is the cube of the bar height.
and further explanation can be found in the pull request:
https://github.com/i3/i3status/pull/268#pullrequestreview-147429763
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