MATLAB Code
% Mark Frankosky (mfrankos@purdue.edu) % ECE 301 HW 1.2 % This file will read in the .wav file 'jpforward.wav' and play it back % with a sample frequency of 44100 Hz, and then flip the file % and play taht back at a sample frequecy of 44100Hz, 22050Hz, and 11025Hz % respectively % % For this to work locally you will need the file 'jpforward.wav' stored in % the same directory taht you will run the code from. Fname = 'jpforward.wav'; Fs1 = 44100; Fs2 = 22050; Fs3 = 11025; Fs4 = 8000; wavFoward = wavread(Fname); wavBackwards = flipud(wavFoward); fprintf('Foward at 44100 Hz...\n'); wavplay(wavFoward,Fs1); fprintf('Backwards at 44100 Hz...\n'); wavplay(wavBackwards, Fs1); fprintf('Backwards at 22050 Hz...\n'); wavplay(wavBackwards, Fs2); fprintf('backwards at 11025 Hz...\n'); wavplay(wavBackwards, Fs3);