Posts Tagged ‘open source’

Techie Tip of the Week: Audio Editing with Audacity

Friday, August 31st, 2012

Need to convert a sound clip or other audio file into a different format? Want up edit an existing music or voice clip? Have a bunch of old 45′s that you’d like to digitize?

The free, open source audio editing tool Audacity may be just what you need!

As said on the Audacity website, Audacity is a free, easy-to-use and multilingual audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems.

You can use Audacity to:

  • Record live audio
  • Convert tapes and records into digital recordings or
  • Edit Ogg Vorbis, MP3, WAV or AIFF sound files
  • Cut, copy, splice or mix sounds together
  • Change the speed or pitch of a recording
  • And more!

Visit for a complete set of features.

Audacity runs on Macs, Windows, and Linux machines. For details, including how to download and install, visit the Audacity website:

Techie Tip of the Week:

Friday, September 2nd, 2011

Did you know that there is a free, open source, fully featured alternative to Photoshop?

The Gnu Image Manipulation Program is a fully-featured, sophisticated desktop-based image editing and manipulation tool. In many ways, the GIMP rivals and even exceeds the capabilities of Photoshop (especially if you download and install the many and varied plugins for GIMP).

The GIMP is available for Windows, Mac, and Linux.

More information, including download, and installation instructions is found on the GIMP website:

To enhance functionality in the GIMP, visit the Plug-in Registry:

For documentation on using GIMP visit the docs section:

My favorite GIMP plugins:

Liquid Rescale:

  • This plugin performs content-aware scaling¬† in GIMP (and preceded Photoshop’s ability to do so by at least a year!)
  • Video Example of Liquid Rescale:¬†


  • This plugin performs content-aware fill in GIMP (and preceded Photoshop’s ability to do so by years!)
  • Video Example of Resynthesizer:¬†