Audacity : Free Open Source Audio Editor

Description :

Audacity is a free and open source software for recording and editing audio. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems.

Common Use

• Extract Audio From Video (Require FFmpeg Library) 

• Download and extract the zip file to App\FFMpeg 

• Edit Audio and Export as mp3 (Require LAME Library )
• LAME is a library that allows some programs to encode MP3 files. LAME is free, but in some countries you may need to pay a license fee in order to legally encode MP3 files.

Other Information

• Recording audio. (Cut, Copy, Splice or Mix Audio )
• Recording Audio from Stereo Mix/Virtual Audio Device 
• Edit Ogg Vorbis, MP3, WAV or AIFF sound files.
• Cut, copy, splice or mix sounds together.
• Change Audio speed or pitch and a lot more.

VB-Audio Voicemeter [Freeware]

•  can also be used for Streaming music to Teamspeak and Mumble users.

•  "A" Determine whether the audio should be heard by your speaker 

•  "B" Determine whether the audio should be broadcasted through the Virtual Mic 
• You can use it with VB-Audio Virtual Cable to exclude Audio sources

•  This Applications must be kept open in order to work 

•  You can Hook your volume key to adjust the volume in the Menu

•  Supported OS: Window XP and above 

Audacity Portable Version
http://portableapps.com/apps/music_video/audacity_portable [PortableApps]

Audacity [Official Website | Download | Plug-in]

Hope Everyone Enjoys