<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1400" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>2 pictures spectra of wrapped strings. = The 1. is measured spectrum, A1 (54.2 Hz)of a Seiler 116 upright. The 2. spectrum = is the same note computed with MiniMens with the measures of this piano with a = string length 1086 mm, core diam. 1.1 mm wrap diam. 1.4 mm blank ends 20 mm. = The regular lines are the transversal waves. Additional spectral lines due = to longitudinal waves (1. longitudinal wave on the 13. transversal) and = caused also by blank ends reflection of longitudinal/ transversal = waves.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>the sound files to hear this two spectra:</FONT></DIV> <DIV><FONT face=Arial size=2>the measured original:</FONT></DIV> <DIV> <DIV><FONT face=Arial size=2><A href="http://www.piano-stopper.de/dl/A1_org.wav">http://www.piano-stopp= er.de/dl/A1_org.wav</A></FONT></DIV></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>the computed sound by MiniMens Simulation:</FONT></DIV> <DIV><FONT face=Arial size=2><A href="http://www.piano-stopper.de/dl/A1_comp.wav">http://www.piano-stop= per.de/dl/A1_comp.wav</A></FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><IMG alt="" hspace=0 = src="cid:000701c3efbf$9947fe10$2dcefea9@BERNHARDNEU" align=baseline border=0><IMG alt="" hspace=0 src="cid:000801c3efbf$994a6f10$2dcefea9@BERNHARDNEU" align=baseline border=0></DIV></BODY></HTML>