HP Envy 15-k020us安装Ubuntu 17.10后Beats Audio缺失音质暗淡求助

I’ve tackled similar audio issues on HP Beats laptops before—Linux support for these custom sound setups can be hit-or-miss, especially on older releases like 17.10. Let’s walk through targeted fixes that have worked for identical Envy models:

1. Force-load the Realtek driver with Beats-specific parameters #

Most HP Beats systems rely on Realtek sound chips, and the default kernel module often doesn’t enable the Beats EQ profiles. Here’s how to tweak it:

• Open the ALSA base config file with a text editor:

  sudo nano /etc/modprobe.d/alsa-base.conf
  

• Add this line at the bottom (it targets the Realtek chip common to your Envy model):

  options snd-hda-intel model=hp-envy enable=yes
  

• Save the file (Ctrl+O, press Enter) and exit (Ctrl+X), then reboot your system.

2. Install and configure pulseaudio-equalizer #

The default PulseAudio setup lacks the bass boost and EQ that defines Beats Audio. This tool can replicate that signature sound:

• Install the equalizer package:

  sudo apt-get install pulseaudio-equalizer
  

• Load the equalizer module immediately:

  pactl load-module module-equalizer-sink
  

• To make this permanent, add the module to PulseAudio’s config:
  Open sudo nano /etc/pulse/default.pa and paste this line at the end:

  load-module module-equalizer-sink
  

• Launch pavucontrol, go to the Playback tab, click the dropdown next to your audio output, and select the equalizer sink. Then adjust the preset to "Bass Boost" or "Rock" to match Beats Audio’s profile.

3. Try a newer ALSA backport (if above steps fail) #

Ubuntu 17.10 uses an outdated ALSA version that may lack full support for your audio hardware. Backporting a newer version can help:

• Add the ALSA backports PPA for 17.10:

  sudo add-apt-repository ppa:ubuntu-audio-dev/alsa-backport
  sudo apt-get update
  sudo apt-get install linux-image-alsa-backport-generic linux-headers-alsa-backport-generic
  

• Reboot your laptop and test the audio again.

4. Retry hdajackretask with initramfs rebuild #

You mentioned trying hdajackretask before, but skipping the initramfs rebuild can prevent changes from sticking:

• Open hdajackretask, select your codec (usually Realtek ALC3231 for this model), and check "Show unconnected pins".
• Locate pins labeled "Internal Speaker (L/R)"—set them to "Internal Speaker" if they’re configured differently.
• Click "Install boot override", then run this command to update the initramfs:

  sudo update-initramfs -u
  

• Reboot and verify if the audio improves.

If none of these fixes work, keep in mind Ubuntu 17.10 is end-of-life. Upgrading to a newer LTS release (like 18.04 or later) will give you access to newer kernels with better support for HP’s custom audio setups.

内容的提问来源于stack exchange，提问作者Mislam