Before revision: Rane RA 27 hardware Real Time Analyzer underneath an Ashly Protea II 4.24C speaker processor (with RS-232 connection) A real-time analyzer (RTA) is a professional audio device that measures and displays the frequency spectrum of an audio signal; a spectrum analyzer that works in real time.
After revision: Rane RA 27 hardware real-time analyzer underneath an Ashly Protea II 4.24C speaker processor (with RS-232 connection) A real-time analyzer (RTA) is a professional audio device that measures and displays the frequency spectrum of an audio signal; a spectrum analyzer that works in real time.