Re: place pitch and temporal pitch (Martin Braun )


Subject: Re: place pitch and temporal pitch
From:    Martin Braun  <nombraun(at)TELIA.COM>
Date:    Fri, 19 Mar 2004 16:28:15 +0100

On Friday, March 19, 2004 8:38 AM, Christian Kaernbach wrote: > Evidence for place pitch: A sinusoid of 5 kHz elicits undoubtedly a > perception of pitch. There is no phase locking in mammals at that high > frequency, and as it is a sinusoid there is no envelope, so this can > only be place pitch. How can you say that a sinusoid of 5 kHz elicits a perception of pitch? You cannot make pitch-matching experiments with harmonic complexes as references in this range. At 5 kHz there usually is no longer a perception of pitch chroma. This effect of "frozen chroma" is commonly taken as sign that the pitch extractor is no longer functional. Also, such stimuli never occur in natural sounds. Therefore our hearing is not adapted to them. I see no reason why the percept a sinusoid of 5 kHz can be called pitch. I suggest that you tell your students to call the percept a percept of timbre. Martin -------------------------------- Martin Braun Neuroscience of Music S-671 95 Klässbol Sweden web site: http://w1.570.telia.com/~u57011259/index.htm


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