Mercurial > hg > aimmat
view aim-mat/tools/@signal/modtuningtilt.m @ 4:537f939baef0 tip
various bug fixes and changed copyright message
author | Stefan Bleeck <bleeck@gmail.com> |
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date | Tue, 16 Aug 2011 14:37:17 +0100 |
parents | 20ada0af3d7d |
children |
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% method of class @signal % % INPUT VALUES: % % RETURN VALUE: % % % This external file is included as part of the 'aim-mat' distribution package % (c) 2011, University of Southampton % Maintained by Stefan Bleeck (bleeck@gmail.com) % download of current version is on the soundsoftware site: % http://code.soundsoftware.ac.uk/projects/aimmat % documentation and everything is on http://www.acousticscale.org function sig=modtuningtilt(sig) sig=antitilt(sig,0.04); % mache die Neigung rückgängig sig=tilt(sig,0.08); % tilte, aber etwas weniger vals=sig.werte; cutoff=500; % Hz drop=0.002; % Falle bis auf Null in 2 ms durationtotilt=1/cutoff; tiltstart=time2bin(sig,-durationtotilt); % Hier gehts los tiltend=time2bin(sig,-durationtotilt+drop); % und hier hörts schon wieder auf tiltnr=tiltend-tiltstart; ti=linspace(1,0,tiltnr); vals(tiltstart+1:tiltend)=vals(tiltstart+1:tiltend).*ti(:); vals(tiltend:end)=0; % figure % subplot(2,1,1) % plot(sig); sig.werte=vals; % subplot(2,1,2) % plot(sig);