There was a time when spectral editing of audio was all about considerable potential but complex workflows. That’s no longer true. There have been huge advances in how the user can interact with spectral editing tasks and software such as SpectraLayers (and iZotope’s RX) now make these complex and sophisticated processing options accessible to anyone who can afford to buy into the software. Anyway, if you want to peak inside what SpectraLayers can do, then take a look at the review of the latest version here….
