Matlab 7.1 [ 480p ]

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

% 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]; matlab 7.1

% Time vector for one note t = 0:1/fs:duration-1/fs; % Append note to audio signal audio_signal =

% Note frequencies (Hz) - C major scale notes = [261.63, 293.66, 329.63, 349.23, 392.00, 440.00, 493.88, 523.25]; note_names = {'C4', 'D4', 'E4', 'F4', 'G4', 'A4', 'B4', 'C5'}; note_names = {'C4'

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

% Parameters fs = 8192; % Sampling frequency (Hz) duration = 0.5; % Duration of each note (seconds) tempo = 120; % Beats per minute

% Plot the waveform figure; plot((0:length(audio_signal)-1)/fs, audio_signal); xlabel('Time (seconds)'); ylabel('Amplitude'); title('Generated Musical Piece - Waveform'); grid on; xlim([0, length(audio_signal)/fs]);