i've the same Problem on Ubuntu 18.10. I'm running a Asus P9D-X (no Onboard Sound) with a Asus MIO 892 (Realtek)-Card which is detected as Intel-HDA: 00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05)
cat /proc/asound/cards : 0 [PCH ]: HDA-Intel - HDA Intel PCH HDA Intel PCH at 0xd3210000 irq 35 head -n 1 /proc/asound/card0/codec* : Codec: Realtek ALC892 lsmod | grep "^snd" | cut -d " " -f 1 : snd_seq_dummy snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_oxygen snd_oxygen_lib snd_mpu401_uart snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1801540 Title: Microphone distorted sound on ALC892 Status in Linux: Confirmed Status in linux package in Ubuntu: Incomplete Status in pulseaudio package in Ubuntu: Confirmed Bug description: Not sure if I'll report this upstream but there is definitely an issue with microphone recording on my desktop, this is not happening on my laptop which has a different codec. Already tried all workarounds possible, no luck. Only with my desktop with this particular motherboard. No issues in Windows, the sound recorded in there is distorted and has some static and robotic tone on high-pitch. alsa-info on the attachments To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1801540/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp