* Gong S. <pth...@protonmail.ch> [2018-11-04 05:42 +0000]: > Package: alsa-utils Version: 1.1.7-1 > > With some headphones and earphones, the sound output is distorted, > e.g. the left and right channels are swapping constantly, this > issue is especially serious with human speech. I used a Sony > MDR-AS800AP earphone directly inserted to the sound card's audio > output, the sound is distorted. However, if I hold the button on > the earphone the output is normal but at a higher volume.
What happens if you decrease volume by alsamixer? > I can confirm that the earphone and the sound card have no problem > because it plays normally on an Android smartphone or on > dual-booted Windows. The problem is certainly in ALSA. I also > tested with other earphones, some of them have similar problems. > Some earphones have an "Android/Apple" switch, and the distortion > happens when the switch is set to "Apple". I am using ALSA > directly without PulseAudio or other Poetterware. Are you sure? Distortion happens when the volume is increased to more that 100% in i.e. pavucontrol. > > The configuration can be found in the attachment. Thanks for reporting Elimar -- Numeric stability is probably not all that important when you're guessing;-)
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