Multimedia

Perl – Change Contrast / Brightness with Perl + Imagemagick

Perl – Change Contrast / Brightness with Perl + Imagemagick

Summary Below is a Perl script that can be used to adjust the brightness and contrast for a whole directory of JPG photos automatically. I searched for a while on using the GIMP to automate brightness and contrast changes, but it seemed too complicated for my purposes. I found one GIMP plug-in already written. It installed, but didn’t…

Digitize Cassettes: Digital WAV or MP3 Using Linux

Digitize Cassettes: Digital WAV or MP3 Using Linux

Update: 2012-07-12 Note on Audio Software: I have only gotten this method to work using the ALSA sound system. The last time it worked in Ubuntu was 8.04. I have successfully repeated the process using Debian 6.0. Background This page contains notes on making a simple digital mp3 recording from an analog cassette. The method would be…