Subject: Re: Minimum duration required in a sinusoid to hear pitch From: Massimo Grassi <massimo.grassi@xxxxxxxx> Date: Wed, 15 Mar 2006 11:12:44 +0100Roy, > These studies are not about how long it takes to perform processes, > but rather about how long a sample is required to provide sufficient > timbre information to do this four choice task. So there is > sufficient timbre information in a short sample to identify the vowel > or instrument, and you need a longer sample to achieve equivalent > performance on a four-choice pitch-chroma task. I understand your point. Nevertheless, it seems that auditory object discrimination is indeed very short (here they write something like 60-70-ms in order to distinguish between man-made versus living objects sounds): Murray, Camen, Gonzalez Andino, Bovet, & Clarke1 (2006). Rapid Brain Discrimination of Sounds of Objects. The Journal of Neuroscience, 26(4), 1293–1302. m ******************** Massimo Grassi - PhD Laboratorio di Psicologia Via Petracco 8 - 33100 Udine - Italy http://www.psy.unipd.it/~grassi IMPORTANT! BEFORE SENDING REGULAR MAIL PLEASE SEND AN EMAIL ---------------------------------------------------------------------- SEMEL (SErvizio di Messaging ELettronico) - CSIT -Universita' di Udine