Speech Transmission Index- Public Address (STIPA): Objective Assessment of Intelligibility

摘要

The speech transmission index, STI, has shown to be a valuable tool for objective assessment the speech intelligibility.rnFrom the first presentation in Acustica in 1971 [1], the method has been refined and diversified for variousrnapplications. Recently the International Electrotechnical Commission, IEC, has launched the third revision of thernInternational Standard specifying the method for calculating the index: IEC 60268-16 [2]. A brief discussion ofrnSTIPA was presented Spring 2004 at DAGA.