In the digital world, signal processors are controlled by software, and – as with computers – DSP software may be updated to improve performance and introduce new features. The DSP PC-Tool 5 works on all of Audiotec Fischer’s current standalone DSP units and DSP amplifiers, including from brands Helix, Brax and Match, to drive analysis, measurement and processing functions. Ease of use is also high on the agenda – the software’s TuneEQ feature adjusts the equaliser to the desired reference curves automatically, there’s automatic time alignment delivered by built-in signals and analysis, and Audiotec Fischer’s interface is superbly intuitive. And the best part? The software is free…