Adobe Audition 3.5 is a digital audio workstation (DAW) developed by Adobe Systems Incorporated. First released in 2006, Audition 3.5 is a powerful audio editing software used for recording, editing, and mixing audio. The software offers advanced features such as multitrack editing, noise reduction, and spectral editing. While Adobe Audition 3.5 is no longer supported by Adobe, it remains a popular choice among audio engineers and musicians due to its robust feature set and user-friendly interface.