Subject: Re: Beats From: Stefan Muenkner <stefan(at)PHYSIK3.GWDG.DE> Date: Thu, 3 Jul 1997 09:59:47 +0200Maybe I am too sceptical about it, but is it possible that the beats were present in the external squeal of the brakes. It seems highly unlikely to me that a brake produces a pure tone. Sorry if I should miss the point. stefan Stefan Muenkner | stefan.muenkner(at)uni-tuebingen.de Universitaets HNO Klinik | Silcherstrasse 5 | voice +49 7071 29 83824 D-37073 Tuebingen | fax +49 7071 29 84163 Germany |