Extract the audio from an MP4 video file using avconv

At times, we would like to extract the audio from an MP4 video file. To do this in Linux, open a terminal window in Ubuntu and use the utility called avconv as follows: $ avconv -i MyVideoFile.mp4 -vn -acodec copy MyAudioFile.aac <enter>

where, MyVideoFile.mp4 is your mp4 video file. You can then listen to the . . . → Read More: Extract the audio from an MP4 video file using avconv

15 band equalizer with Pulseaudio Equalizer in Linux

You can get a 15 band sound equalizer on Linux. Looking around for presets for mplayer yielded no success on the internet. Finally, chanced upon pulseaudio equalizer project. You can install it on Fedora using:

# yum install pulseaudio-equalizer <enter>

After that, run it from the Sound and Video applications on your desktop. You can . . . → Read More: 15 band equalizer with Pulseaudio Equalizer in Linux

Convert audio CD to MP3 using Sound Converter in Ubuntu

While there are many tools to convert audio CD’s from one format to another, here’s another way to convert audio CDs to MP3 in Ubuntu.

Insert the audio CD you want to convert in the CD drive Copy the tracks on the audio CD to wav files using: $ cdparanoia -B <enter>

To convert to . . . → Read More: Convert audio CD to MP3 using Sound Converter in Ubuntu

5.1 Surround Sound in Linux – Gnome MPlayer

You can get full 5.1 surround sound in Linux using Gnome MPlayer. Here is what needs to be done.

Install Gnome MPlayer and mplayer following the instructions using your distribution’s repository. Visit http://www.lynnemusic.com/surround.html to download a 5.1 surround sound audio file to test the settings. Start up Gnome Mplayer. Select Edit -> Preferences from the . . . → Read More: 5.1 Surround Sound in Linux – Gnome MPlayer

USB sound card for laptops without 3.5 mm headset jacks

After damage to 2 high end Logitech headsets I owned after the use of unbranded USB sound cards, I finally settled for an economical, higher end USB sound card. The Steel Series Siberia USB Sound card. It is advertised as a very good card for gaming, but I also found it most suited for use . . . → Read More: USB sound card for laptops without 3.5 mm headset jacks

Connect Sony MW600 headset to Linux (only audio output)

Finally, got the MW600 headset connected to Fedora 16 Linux. To do this, you need Pulseaudio and also the Blueman Device Manager. This is a GTK+ manager. The present Gnome 3 bluetooth does not allow this device to be connected.

To do so, install the following packages, if not installed on your linux box: # . . . → Read More: Connect Sony MW600 headset to Linux (only audio output)

Extract audio from DVD

There are 2 methods: # mplayer vcd://04 -cdrom-device /dev/sr0 -dumpaudio -dumpfile /tmp/track04.mp3 <enter> # transcode -i /dev/dvd -x dvd -T 1,-1 -a 0 -y wav -m track01.wav <enter> # bladeenc -256 -rawfreq=48000 track01.wav track01.mp3 <enter>

MP3 to WMA for mobiles

http://www.nbxaudio.com/mp3-to-wma.htm

Enable sound in Gnome

# gmix –enable-sound

Note that this may not apply anymore as Linux has matured over the years.

September 2017
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