As of the current date, the latest official release of Adobe Audition is part of the Creative Cloud suite (labeled as versions 23.x or 24.x). There is no official "Version 15." The "15" likely refers to the numbering convention used by the CS (Creative Suite) series, where the last perpetual version was CS6 (version 5). "Portable" versions are unofficial, modified builds not sanctioned by Adobe. This review focuses on the concept and typical performance of a "Portable" build assuming the user is looking for a specific legacy standalone release.
Despite the lack of an official release, the demand stems from three real needs: adobe audition 15 portable