Mac OS X 10.6 Snow Leopard , Mac OS X 10.7 Lion , Mac OS X 10.8 Mountain Lion , Mac OS X 10.9 Mavericks , Mac OS X 10.10 Yosemite , Mac OS X 10.11 El CapitanWindows XP , Windows Vista , Windows 7 (Seven) , Windows 8 , Windows 8.1 , Windows 10
This program is called "Audacity". It is a sound or an audio editor can record and play sounds and import and export WAV, AIFF, MP3, and OGG files. Edit your sounds using cut, copy, and paste features (with unlimited undo functionality), mix tracks, or apply effects to your recordings. The program 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, wah wah, and noise removal, and the program also supports VST plug-in effects.