Edit Audio In Linux with Audacity

Audacity is open source cross platform software for recording and editing sound files . The Graphical interface of Audacity was created using wxWidgets library .

some of Audacity's features include:

• Importing and exporting WAV, AIFF, MP3 (via the LAME MP3 Encoder, downloaded separately), Ogg Vorbis, and other file formats
• Recording and playing sounds
• Editing via Cut, Copy, Paste (with unlimited Undo)
• Multi-track mixing
• Digital effects and effect plug-ins. Additional effects can be written with Nyquist
• Amplitude envelope editing
• Noise removal
• Support for multichannel modes with sampling rates up to 100 kHz with 24 bits per sample
• The ability to make precise adjustments to the audio's speed, while maintaining pitch, in order to synchronise it with video, run for the right length of time, etc.
• Large array of plug-ins available

To install Audacity type the following command in the terminal window : -

sudo apt-get install audacity

After completing install launch audacity from (Applications-> Sound & Video -> Audacity )