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Re: cross-modality-size-loud

Some bats can produce ultrasonic sounds (vocalizations) well over 100 dB. And bats are pretty small.  So getting back to Jan's point, pitch might better correlate with size.
Dan Tollin

From: AUDITORY - Research in Auditory Perception on behalf of Bob Carlyon
Sent: Mon 9/17/2007 4:32 AM
To: AUDITORY@xxxxxxxxxxxxxxx
Subject: Re: cross-modality-size-loud

Hmm.., I think this depends on whether you are talking about the source or the filter; if a large person hits a bell then it generally makes more sound than if a small person does.  When it comes to organisms, size and loudness co-vary: elephants are louder than mice, and adults are louder than their young. There are of course exceptions, as anyone who has ever taken children to a restaurant will testify...


Jan Schnupp wrote:
Dear Peter,

if you hit a large bell and a small bell, how loud they are does not depend on size, but on how hard you hit them. The larger the object the deeper the sound, because resonant frequency is proportional to mass. So if there is a link with size, then it should be pitch more than loudness.


On 17/09/2007, pieter jan stallen <pj.stallen@xxxxxxxxx> wrote:

Dear List,

Does anyone know of  experimental psychological data reported which refutes (or not) the hypothesis: the perception of object O as "has much of quality X" predisposes to the perception also of "has much of quality Y"? E.g., is there empirical evidence for cross-modal bonds like "large objects (much of size) are loud objects (much of sound)" ?

Although I see brain research approaching the subject (e.g.  http://www.dhushara.com/pdf/synesthesia.pdf ) I have not (yet) found so much empirical psychology about such metaphors. I may not have studied carefully enough the synaestesia literature, but appreciate any more specific 'forwardings' then.

Pieter Jan Stallen / Chair Community Noise Annoyance / University of Leiden / Netherlands

Dr Jan Schnupp
University of Oxford
Dept. of Physiology, Anatomy and Genetics
Sherrington Building - Parks Road
Oxford OX1 3PT - UK

Dr. Bob Carlyon
MRC Cognition & Brain Sciences Unit
15 Chaucer Rd.
Cambridge CB2 7EF

Phone: +44 1223 355294 ext 651
Fax:   +44 1223 359062