##vytvorenie spektrogramu pomocou Octave
	pkg load signal

	pom = 10;
	[s, fs] = wavread('Winrad_20120901_195706Z_170kHz.wav',[44100*pom 44100*(pom+5)]);
	figure("visible","off");
	specgram(s(:,1),1024,fs);
	print('spektrogram.png', '-dpng');
	
##vyrezanie videa a jeho deinterlacing
ffmpeg <vstupne_video> -ss 75s -t 21s -deinterlace <vystupne_video>