Audacity : Free digital sound editor and recorder for Windows, Linux, MacOSX

Audacity is a free, easy-to-use audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. You can record sounds, play sounds, import and export WAV, AIFF, and MP3 files, and more.

[ Key Features ]

• Record live audio.
• Convert tapes and records into digital recordings or CDs.
• Edit Ogg Vorbis, MP3, WAV or AIFF sound files.
• Cut, copy, splice or mix sounds together.
• Change the speed or pitch of a recording.
• Add new effects with LADSPA plug-ins.
• And more!

Use it to edit your sounds using Cut, Copy and Paste (with unlimited Undo), mix tracks together, or apply effects to your recordings.

It also has a built-in amplitude envelope editor, a customizable spectrogram mode and a frequency analysis window for audio analysis applications. Built-in effects include Bass Boost, Wahwah, and Noise Removal, and it also supports VST plug-in effects.

[ Related Articles ]

Audacity detailed description from Wikipedia

[ Official Download ]