Audacity 4’s first public beta arrived this month with the biggest design change the iconic open-source audio editor has seen in decades. The audio editor’s interface, built on wxWidgets since the project began, now runs in Qt. However, the audio engine which handles file I/O, project storage and the built-in effects, uses the older codebase, wired up to the new frontend via a module called au3wrap. In a sense, Audacity 4 is a new look atop the same core engine, although the Github changelog choose to frame it as a “ground-up rewrite” in Qt, that appears to be only relate […]