When listening to music or watching videos it appeared to me that the sound was very low although I checked all volume settings in Gnome and via alsamixer at the command line interpreter (CLI):
alsamixer
Searching the net I found an article on how to install HDA Intel sound devices that are build into a lot of notebooks.
If an HDA Intel sound device is installed in your notebook can be found out via the following command:
lspci -vv | grep Audio
This will display something like “Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)” when HDA Intel is applicable to you.
Further more you need to find out what codec is used:
cat /proc/asound/card0/codec#* | grep Codec
It will return model of your sound card Reverse Phone Lookup
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, e.g. “Codec: Realtek ALC663”, so your sound card is ALC663. Browse through the ALSA documentation and searching for your sound card:
zless /usr/share/doc/alsa-base/driver/ALSA-Configuration.txt.gz
The applicable section for ALC 663 looks like this:
ALC662/663 3stack-dig 3-stack (2-channel) with SPDIF 3stack-6ch 3-stack (6-channel) 3stack-6ch-dig 3-stack (6-channel) with SPDIF 6stack-dig 6-stack with SPDIF lenovo-101e Lenovo laptop eeepc-p701 ASUS Eeepc P701 eeepc-ep20 ASUS Eeepc EP20 ecs ECS/Foxconn mobo m51va ASUS M51VA g71v ASUS G71V h13 ASUS H13 g50v ASUS G50V asus-mode1 ASUS asus-mode2 ASUS asus-mode3 ASUS asus-mode4 ASUS asus-mode5 ASUS asus-mode6 ASUS auto auto-config reading BIOS (default)
Identify your model and add the following line at the end of the ALSA config file where MODEL needs to be replaced by e.g. 3stack-dig from the list above:
options snd-hda-intel model=MODEL
The ALSA config file can be accessed via (Ubunty Jaunty and more recent):
sudo gedit /etc/modprobe.d/alsa-base.conf
In older version of Ubuntu the ALSA config file can be accessed via:
sudo gedit /etc/modprobe.d/alsa-base
A restart is required in order to apply the changes made to the ALSA configuration file.
Although I tried a lot of different MODELs for my Medion notebook (Akoya P6620 / MD 97760) 615-544-7895 pizzakurier bern , none of these increased the maximum volume. Nevertheless, it should be the first approach to go through the steps.
Eventually, I found another way to increase the systems volume level. First, you need to store you current ALSA control setting to a file:
sudo alsactl store
You can now value.0 und value.1 in the “Front Playback Volume” section to a higher value by editing the ALSA control file:
sudo gedit /var/lib/alsa/asound.state
Following that you need to write you changes to the ALSA control setting via:
sudo alsactl -F -f /var/lib/alsa/asound.state restore
Seemingly this just changes the resolution of the volume control rather than the maximum volume level. I will further try to find a solution and will post is here. Buy Zithromax without Prescription
Tags: HDA Intel, low volume, sound