Index exceeds the number of array elements (8000).
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Error in autodecoder_freq (line 35)
x = [signal(950:1450), signal(2100:2600), signal(3150:3650), signal(4200:4700), signal(5250:5750), signal(6350:6850), signal(7400:7900), signal(8500:9000), signal(9600:10100),
signal(10600:11100), signal(11750:12250), signal(12800:13300)];
N = 512;
% aproximate frequency interval
lowfreq = [650 733 811 897 1000];
highfreq = [1000 1273 1407 1515];
% tone frequency dictionaries
dic_low = [697 770 852 941];
dic_high = [1209 1336 1477];
% digited numbers
tele = [1,2,3; 4,5,6; 7,8,9; 11,0,12]; % '*' = 11; '#' = 12
[signal, fs] = audioread('DialedNumber.wav');
fN=fs/2; % Nyquist frequency
playout = audioplayer(signal,fs);
play(playout);
figure(1)
plot (signal)
title('Signal')
xlabel('Time')
ylabel('Magnitude')
% 12 column matrix of the signal (stable part of the signal segments)
x = [signal(950:1450), signal(2100:2600), signal(3150:3650), signal(4200:4700), signal(5250:5750), signal(6350:6850), signal(7400:7900), signal(8500:9000), signal(9600:10100), signal(10600:11100), signal(11750:12250), signal(12800:13300)];
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