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[Charles <2125296@xxxxxxxxxxxxxxxxxx>]

** Package changed: pulseaudio (Ubuntu) => alsa-driver (Ubuntu)

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https://bugs.launchpad.net/bugs/2125296

Title:
  microphone only recording white noises

Status in alsa-driver package in Ubuntu:
  New

Bug description:
  When I try to use my built-in microphone, nothing is recorded but very
  loud white noises. I managed to lower the volume of those noises using
  alsamixer, but I still can't hear anything but those noises.

  It may be irrelevant to you, but after some chatting with ChatGPT, it
  told me that it's 'likely a driver/ALSA quirk issue: the Realtek
  ALC256 codec in my Unowhy Y13 isn't correctly initialized under Linux'

  I am using Ubuntu 24.04.3 LTS
  pulseaudio is version 1:16.1+dfsg1-2ubuntu10.1
  I expect to be at least able to hear my voice when I talk
  Instead, I can only hear white noises and nothing else

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: pulseaudio 1:16.1+dfsg1-2ubuntu10.1
  ProcVersionSignature: Ubuntu 6.14.0-29.29~24.04.1-generic 6.14.8
  Uname: Linux 6.14.0-29-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3.8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  matheo     1880 F.... wireplumber
   /dev/snd/seq:        matheo     1874 F.... pipewire
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Sep 21 21:38:32 2025
  InstallationDate: Installed on 2025-09-03 (18 days ago)
  InstallationMedia: Ubuntu 24.04.3 LTS "Noble Numbat" - Release amd64 (20250805.1)
  MachineType: UNOWHY Y13G010S4EI
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  SourcePackage: pulseaudio
  Symptom: audio
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/06/2020
  dmi.bios.release: 0.5
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V0.5.0_P1S0M2E0F3L6B0T0P2G00A0U0D216_366B-timing
  dmi.board.asset.tag: Default string
  dmi.board.name: MG133(EM_IG116_366B_V2.0)
  dmi.board.vendor: UNOWHY
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 10
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV0.5.0_P1S0M2E0F3L6B0T0P2G00A0U0D216_366B-timing:bd06/06/2020:br0.5:svnUNOWHY:pnY13G010S4EI:pvr1.0:rvnUNOWHY:rnMG133(EM_IG116_366B_V2.0):rvr1.0:cvnDefaultstring:ct10:cvrDefaultstring:skuY13G010S4EI:
  dmi.product.family: Education
  dmi.product.name: Y13G010S4EI
  dmi.product.sku: Y13G010S4EI
  dmi.product.version: 1.0
  dmi.sys.vendor: UNOWHY

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