Category: Multimedia

How to view heic format files in Linux Mint or Debian Linux

To view heic or heif format files in Debian Linux open a terminal window and enter below command:$ sudo apt-get install heif-gdk-pixbuf <enter> Now the default image viewer (ristretto, etc) will automatically be able to open these files. Without heif-gdk-pixbuf, the default application to open HEIC format files was gimp.

How to enable missing bluetooth icon in system tray in Debian

After installation of Debian 12, it appears that bluetooth is not working. However, all the services related to bluetooth on the computer are running, but the bluetooth icon does not appear in the system tray. To enable the bluetooth icon, install the blueman package. To do so, open a terminal window and enter the following … Continue reading How to enable missing bluetooth icon in system tray in Debian →

ffmpeg audio file editing commands

To edit video and audio files in ffmpeg, below are some commands. Open a terminal window and try them out. These are very useful when creating training videos. Extract mp3 audio from mp4 file$ ffmpeg -i video.mp4 -vn -ab 256k -ar 48000 -y audio.mp3 <enter> Split from 7 seconds to end$ ffmpeg -i audio.mp3 -ss … Continue reading ffmpeg audio file editing commands →

How to convert PostScript script to a .ps file for viewing in PDF viewer or to PNG

Reading about Gerard Huet's paper on the geometry of the Shri Yantra available in PDF format at this link http://pauillac.inria.fr/~huet/SKT/sanskrit.html.orig, I was prompted to try out the Postscript code he had in and Appendix in the paper. After typing the code into a .txt file, the file did not render using Evince or a PDF … Continue reading How to convert PostScript script to a .ps file for viewing in PDF viewer or to PNG →

How to install Spotify on Linux Mint, Ubuntu or Debian desktop

Spotify also has a desktop application that works on Linux Mint, Debian or Ubuntu Linux. To install it, open a terminal window and enter the following: $ curl -sS https://download.spotify.com/debian/pubkey_7A3A762FAFD4A51F.gpg | sudo gpg --dearmor --yes -o /etc/apt/trusted.gpg.d/spotify.gpg <enter> $ echo "deb http://repository.spotify.com stable non-free" | sudo tee /etc/apt/sources.list.d/spotify.list <enter> $ sudo apt-get update <enter> $ … Continue reading How to install Spotify on Linux Mint, Ubuntu or Debian desktop →

How to fix tinny sound from Dell Inspiron 5000 series laptop speakers in Linux Mint 20 or Ubuntu 20.04 LTS

Linux Mint 20, Xubuntu or Ubuntu 20.04 LTS runs well on the Dell laptop. But, the recent upgrade to Linux Mint 20 or Ubuntu 20.04 LTS caused an issue of tinny sound from the the speakers. After trying several changes, I tried this below, and at least, using the pulseaudio equalizer, managed to make the … Continue reading How to fix tinny sound from Dell Inspiron 5000 series laptop speakers in Linux Mint 20 or Ubuntu 20.04 LTS →

How to fix crackling distorted sound from speakers in Linux Mint 20 XFCE

The computer speakers crackle and give distorted sound at high volumes in Linux Mint 20 XFCE. To overcome this, open a terminal window and enter the following commands: $ alsamixer <enter>Use the right arrow key to locate the option for Auto-Mute. It will show enabled. Change it to disabled by pressing the down arrow key … Continue reading How to fix crackling distorted sound from speakers in Linux Mint 20 XFCE →

How to install vlc and other applications not available in the Fedora repositories via rpmfusion

Fedora has not put the vlc media player in it's official repos. To install it and various other such applications not available in the Fedora repos, add the rpmfusion repository to the package manager and use it to download vlc. To add the rpmfusion repos, open a terminal window and enter the following commands: $ … Continue reading How to install vlc and other applications not available in the Fedora repositories via rpmfusion →