Are any forum members aware of any research establishments with active under road observation facilities to enable photographs to be taken of tyres passing over a transparent panel that can be wetted? Also have any forum members knowledge of open source software capable of generating a numerical momentary sound frequency distribution from WAV files Regards John C Bullas -- =========================================================== Incoming Mail is filtered at source using SpamAssassin - If you don't get a reply check your mailserver is not listed at: http://www.spamcop.net/bl.shtml and that your message does not contain any URLs/IPs listed in the SBL blocklist: http://www.spamhaus.org/sbl/ =========================================================== *********************************************************** The ROAD-TRANSPORT-TECHNOLOGY mailing list is published by International Forum for Road Transport Technology www.road-transport-technology.org ***********************************************************