[Pkg-alsa-devel] Bug#912824: Bug#912824: Bug#912824: Distorted sound with some headphones.

Elimar Riesebieter riesebie at lxtec.de
Sun Nov 4 10:56:10 GMT 2018

* Gong S. <pthfdr at protonmail.ch> [2018-11-04 10:21 +0000]:

> No, I am not talking about clipping. The problem happens
> regardless of volume.  If I run "speaker-test -c2", both speakers
> have sound output at the same time (which should not happen).
> The "constantly swapping" does not always happen-it happens at
> random, and only on some of my audio files. I do not know what
> caused it.

Randomly is not a kind of running a software based amp. Which sort
of audio files are involved?

> Some observations when I adjust the volume in "alsamixer" and run
> "speaker-test -c2" (it seems that the swapping problem does not
> happen):
> L=0, R>0: Both have constant sound on "Front Left", Both have no sound on "Front Right". (No, this is not a typo)
> L>0, R=0: Both have no sound on "Front Left", Both have constant sound on "Front Right".
> L>0, R>0, L>R: Both have constant weak sound on "Front Left", Both have constant strong sound on "Front Right".

Looks like a loose connection?

  >what IMHO then?
  IMHO - Inhalation of a Multi-leafed Herbal Opiate ;)
              --posting from alex in debian-user--
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