Wireless audio technology is evolving toward time-based multichannel systems. Sennheiser's WMAS uses OFDM, TDD, and TDMA for bidirectional pro audio. Transceivers integrate MIC/LINE and IEM/IFB. New multi-antenna technology: Range and zones. This presentation covers WMAS technologies and regulation.
Andreas Wilzeck, Sennheiser electronic SE & Co. KG