Matlab 7.1 -

for i = 1:length(melody) note_idx = melody(i); freq = notes(note_idx);

% Initialize empty audio signal audio_signal = []; matlab 7.1

% Play the sound (MATLAB 7.1 compatible) sound(audio_signal, fs); for i = 1:length(melody) note_idx = melody(i); freq

% Optional: save to WAV file (if needed) % wavwrite(audio_signal, fs, 16, 'my_musical_piece.wav'); % fprintf('Saved to my_musical_piece.wav\n'); freq = notes(note_idx)

% Melody: sequence of note indices (1-8) % Simple melody pattern: C - D - E - C - E - D - C melody = [1, 2, 3, 1, 3, 2, 1, 5, 5, 6, 6, 5, 4, 3, 2, 1];

% Append note to audio signal audio_signal = [audio_signal, note_signal, silence];

% Add short silence between notes (optional) silence = zeros(1, round(0.02 * fs));