(New page: %Steve Anderson %Homework 1 Problem 2 clear; clc; [data, srate, brate] = wavread('jpforward.wav'); %reads wav file and stores to array wavplay(data,srate); %play the song normally x = ...) |
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| − | %Steve Anderson | + | %Steve Anderson |
| − | %Homework 1 Problem 2 | + | %Homework 1 Problem 2 |
| − | + | ||
| − | clear; | + | clear; |
| − | clc; | + | clc; |
| − | + | ||
| − | [data, srate, brate] = wavread('jpforward.wav'); %reads wav file and stores to array | + | [data, srate, brate] = wavread('jpforward.wav'); %reads wav file and stores to array |
| − | wavplay(data,srate); %play the song normally | + | wavplay(data,srate); %play the song normally |
| − | + | ||
| − | x = length(data); %length of song array | + | x = length(data); %length of song array |
| − | + | ||
| − | jpreverse = zeros(x,1); | + | jpreverse = zeros(x,1); |
| − | counter = 1; | + | counter = 1; |
| − | + | ||
| − | for i = x:-1:1 %for loop from end of song to beginning | + | for i = x:-1:1 %for loop from end of song to beginning |
| − | + | jpreverse(counter) = data(x); %reverse song into jpreverse | |
| − | + | counter = counter + 1; | |
| − | end | + | end |
| − | + | ||
| − | %play reversed version of song | + | %play reversed version of song |
| − | wavplay(jpreverse, srate); | + | wavplay(jpreverse, srate); |
| − | + | ||
| − | wavwrite(jpreverse, srate, brate, 'jpreversed.wav'); | + | wavwrite(jpreverse, srate, brate, 'jpreversed.wav'); |
| − | + | ||
| − | %create and play song reversed but slower | + | %create and play song reversed but slower |
| − | wavplay(jpreverse, srate/1.75); | + | wavplay(jpreverse, srate/1.75); |
| − | wavwrite(jpreverse, srate/1.75, brate, 'jprevslow.wav'); | + | wavwrite(jpreverse, srate/1.75, brate, 'jprevslow.wav'); |
Revision as of 07:16, 5 September 2008
%Steve Anderson
%Homework 1 Problem 2
clear;
clc;
[data, srate, brate] = wavread('jpforward.wav'); %reads wav file and stores to array
wavplay(data,srate); %play the song normally
x = length(data); %length of song array
jpreverse = zeros(x,1);
counter = 1;
for i = x:-1:1 %for loop from end of song to beginning
jpreverse(counter) = data(x); %reverse song into jpreverse
counter = counter + 1;
end
%play reversed version of song
wavplay(jpreverse, srate);
wavwrite(jpreverse, srate, brate, 'jpreversed.wav');
%create and play song reversed but slower
wavplay(jpreverse, srate/1.75);
wavwrite(jpreverse, srate/1.75, brate, 'jprevslow.wav');
