Objective To compare the results of manually-tested speech recognition threshold(SRT)with automatically software-recorded SRT in the trial of Mandarin disyllabic test,exploring the significance to the clinical applying.Methods 128normal people of different ages without hearing loss and 57workers exposed to noise in an automobile manufacturing was selected.These two group of volunteers speak mainly Mandarin in their daily life. MADSEN Conera(Danmark)clinical audiometr was applied.A group of double syllable w...