MP3WRITE and MP3READ

MP3WRITE and MP3READ

version 1.0.0.0 (465 KB) by Alfredo Fernandez

mp3 audio encoding/decoding

3.8

56 Ratings

13 Downloads

Updated 16 Feb 2006

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Overview
Functions

Editor's Note: This file was a File Exchange Pick of the Week

Includes 2 functions to write and read MP3 files. It works like the commands WAVWRITE and WAVREAD.

1.- Just unpack in the toolbox folder under the MATLAB directory.
2.- Set the MATLAB search path to include that folder.

This version was made in MATLAB for WINDOWS only.

Cite As

Alfredo Fernandez (2020). MP3WRITE and MP3READ (https://www.mathworks.com/matlabcentral/fileexchange/6152-mp3write-and-mp3read), MATLAB Central File Exchange. Retrieved October 1, 2020.

Comments and Ratings (73)

Philippe DI BIN

11 Dec 2017

I have a problem The following dos command
dos(cmd):
with
cmd=C:\Program Files\MATLAB\R2015b\toolbox\mp3_toolbox_v2.0\mp3_toolbox\mp3write\lame --quiet -b 128 C:\Program Files\MATLAB\R2015b\toolbox\mp3_toolbox_v2.0\mp3_toolbox\mp3write\temp.wav C:\Users\dibin\Desktop\test_mp3.mp3

is not functionnal in my case.
An dos error appear :

'C:\Program' is not recognized as an internal or external command,
operable program or batch file.
The "space" between Program and files in the path seems to bring trouble...

Can you help me?
Must I copy the lame function in another folder not under "program files"?

Thank you

Philippe

Dheeraj M Pai

9 Sep 2017

Is there a version for linux?
Ubuntu 14.04

Deniz Nakiboglu

18 Jul 2017

Muhammad Naveed

16 Dec 2014

Error using mp3write (line 74)
'which' is not recognized as an internal or external command,
operable program or batch file.
kindly help me about this error

Shanghai

11 Sep 2014

I've run it successfully, thank u.

But I wonder what's the difference between mp3read (better accuracy?)and wavread?

Zijie Yuan

22 Apr 2013

Adil khan

2 Sep 2012

Spencer

9 Jul 2012

For those who are confused about the Line 67/ line 50 errors, I think I've found the answer. Presumably you all are not using Windows - which becomes an issue when the mp3read function attempts to access mpg123.exe (as well as lame.exe and others). Exe files are not executable by macs or linux... hence the problem. The reason wavread can't open the file is because there's nothing in it. It's still the temporary wav file that tempfile was initialized with.

Fortunately, there are mpg123 and lame files that have been made for mac and linux. You can find them here: http://www.mathworks.com/matlabcentral/fileexchange/13852-mp3read-and-mp3write/all_files. Put the .mac or linux files in your directory and you should be fine.

Then just substitute this code in for line 42 (if you're a mac user):
[stat,raw_info] = dos(['"' location,'/mpg123.mac"', ' -w ', tmpfile, ' ', '"',FILE,'"']);

Hope this works for ya'll.

Aravind Vasudevan

18 Jun 2012

Hi,

I am trying to read an mp3 file using the mp3read function. And I am always getting this error :

Error using wavread (line 67)
Invalid Wave File. Reason: Cannot open file.

Error in mp3read (line 50)
[Y,FS,NBITS] = wavread(tmpfile); % Load the
data and delete temporary file

Anybody knows any solution for this? Any help would be much appreciated.

Thanks!

subbmdee

15 May 2012

out of memory problem. any suggestions?

Will

14 Mar 2012

Jacob

22 Nov 2011

To anyone getting the error "??? Error using ==> wavread at 67
Cannot open file.", I was getting the same, but once I moved all of the mpg123, mp3info, and lame files to the same folder as the program that was running them, it worked perfectly.

Mr Smart

17 Oct 2011

Oliver

10 Oct 2011

change line 42 in mp3read to

[stat,raw_info] = dos(['"' location,'\mpg123.exe"', ' -w ', tmpfile, ' ', '"',FILE,'"']);

Aakash

2 Aug 2011

Paulo Emmanuel

9 Mar 2011

same error here

??? Error using ==> wavread at 166
Out of memory. Type HELP MEMORY for your options.

Error in ==> mp3read at 48
[Y,FS,NBITS] = wavread(tmpfile); % Load the data and delete temporary file

Error in ==> AudioComp at 4
[y, Fs] = mp3read(gfile);

Thanh

5 Dec 2010

This code is very good,but i can't run it. Everytime i try to run, Matlab always notifies:
??? Error using ==> wavread at 67
Cannot open file.

??? Error in ==> mp3read at 49
[Y,FS,NBITS] = wavread(tmpfile); % Load the data and delete
temporary file
So please show me what's the problem?

Arjen vd Kamp

26 Sep 2010

If you have the error in line 48 of the mp3read then there probably is a space in the directory were you put the mp3read.m. For instance between Program and Files. Just put it in a folder without spaces and try again...

Arjen vd Kamp

26 Sep 2010

chen xy

28 Aug 2010

I got the same error!
anyone can help me?
[x,fs]=mp3read('windows.mp3');
??? Error using ==> wavread at 67
Cannot open file.

Error in ==> mp3read at 48
[Y,FS,NBITS] = wavread(tmpfile); % Load the data and delete
temporary file

Jun wan

19 May 2010

good

Mohamad Zuhairi Ismail

1 Apr 2010

why i got this message?
i hope u can help me. tq in advance. ;]

??? Error using ==> wavread at 67
Cannot open file.

Error in ==> mp3read at 48
[Y,FS,NBITS] = wavread(tmpfile); % Load the data and delete temporary file

Deyan Dobromirov

7 Mar 2010

Its awesome THANK U!

Deyan Dobromirov

7 Mar 2010

It worked 4 me its awesome guys :D Congrats to all!!

John Adcox

7 Jul 2009

Please fix the pathname issue that John Hughes mentioned earlier. His fix works so you will just need to upload a new file

Eric

18 Feb 2009

Can the MP3READ function be used to detect the frequency, tempo and rhythm of an mp3 file? Where are these values stored for retreval and comparison in the future?

sura mohamed

29 Feb 2008

i want another idea on voice project
i want to make a reaserch in sound
plssssssssssss

naimat khan

30 Nov 2007

i am the student of electrical engineering at uet peshawar

palani natarajan

28 Nov 2007

information

hung duc

6 Jul 2007

I'm working in watermarking, but I don't understand clearly. So, I need some examples or Matlab code to simulate. Please help me

Luigi Rosa

21 Jun 2007

Very good. In mp3read.m the output variable "out" is unnecessary, probably introduced for debugging.

Michael McGurie

26 Jan 2007

A MEX version of this program would give it a perfect score. Very useful for playing around with sound files.

Punit master

14 Dec 2006

remove your site & code from google
your code is pathetic

John Hughes

31 Oct 2006

Fix for lines 54-70 of mp3write.m:

This allows one to use pathnames with spaces in them.

Note that the who thing fails if you give an ABSOLUTE pathname (like "C:/Matlab-stuff/mySong.mp3"), because the read/write routines expect only relative pathnames. I haven't tried to fix this part.

tmpfile = ['"', strcat(lame,'\temp.wav'), '"'];
MP3FILE = ['"', strcat(pwd,'\',MP3FILE), '"'];
ENCODING = num2str(ENCODING);
switch ENCODING
case {'1'}
cmd = ['"', lame,'\lame', '"', ' --quiet', ' ', tmpfile, ' ',MP3FILE];
case {'2'}
cmd = ['"',lame,'\lame', '"', ' --quiet', ' -b 128 ', tmpfile, ' ',MP3FILE];
case {'3'}
cmd = ['"',lame,'\lame', '"', ' --quiet', ' --abr 112 ', tmpfile, ' ',MP3FILE];
case {'4'}
cmd = ['"',lame,'\lame', '"', ' --quiet', ' -f ', tmpfile, ' ',MP3FILE];
case {'5'}
cmd = ['"',lame,'\lame', '"',' --quiet', ' -h ', ' -V ', tmpfile, ' ',MP3FILE];
otherwise
error('Encoding parameters not suported')
end

John Hughes

30 Oct 2006

Suggested code mod for the reader:
Line 42:
[stat,raw_info] = dos(['"',location,'\mpg123','"', ' -w ', tmpfile, ' ', '"',FILE,'"'])

By putting double-quotes around the pathname to mpg123, I've fixed the "can't handle blanks in the path" problem. Presumably a similar fix is needed for mp3write; I'll send it when/if I get there...

Mara M

10 Oct 2006

It seems the search path needs to be w/o blanks for it to work. Also there was one row in mp3write changing the path to a name which didn't work out (row 55: MP3FILE = strcat(pwd,'\',MP3FILE)).
Otherwise, great job.

per g

6 Oct 2006

2 columns = stero sound? Haven't tried the toolbox, just guessing!+

famous martin

18 Sep 2006

very very good

Jose Uy

14 Jul 2006

Why does it output 2 columns? Is one column the time index and the other is the amplitude?

Andy Clark

26 Apr 2006

Great bit of code! Now I can analyse mp3's in matlab.

huang baozhu

16 Apr 2006

when i use mp3write ,it say mp3buffer is not too big enough

mauricio peña

13 Mar 2006

shu tong

17 Feb 2006

Juan Carlos Ruchesi

6 Feb 2006

very good

guan liang

8 Jan 2006

very good

René Gonález

7 Dec 2005

It's a very good rutine

Yohn Eduin Parra

27 Nov 2005

Good aplication. I need more time to evaluation and qualify to.

laeeqsdq neelofer

26 Nov 2005

sathish Reddy

24 Nov 2005

Somendra Misra

24 Nov 2005

Joao Valiati

23 Nov 2005

albert crespo

23 Nov 2005

Rubén Sánchez

21 Nov 2005

Jurijs Jonass

19 Nov 2005

Thanks Alfredo for nice job!

Nanno Mulder

17 Nov 2005

I cannot open the .zip file, so low marks for the packaging. No comments on the contents

tran huy dong

4 Nov 2005

Victor Colme

14 Oct 2005

nO Entendì una mierda!!!

jaydeep dhole

12 Oct 2005

very helpful

Matevz Leskovsek

28 Sep 2005

Nice work. Very well commented!

vinay dev

22 Sep 2005

nice

saifudeen ar

16 Sep 2005

Johnson Yeh

17 Aug 2005

Junjie Liu

15 Jul 2005

Ely Tejeda

18 Jun 2005

jeeva rajan

14 Jun 2005

3/2 ramachandra st
off north usman road
t nagar
chennai-17

jeeva rajan

14 Jun 2005

fine
for modified code contact me
3/2 ramachandra st
off north usman road
t.nagar chennai-17

marcin marcin

21 May 2005

Murphy O'Brien

19 May 2005

Does exactly what it says on the tin! A very useful complement to wavread and wavwrite.

Sandeep Sanga

28 Apr 2005

nice!

Dave Robinson

15 Mar 2005

Works for me - ACE

Mahmoud Bagheri

6 Feb 2005

for me , its fantastic.

irfan turk

17 Jan 2005

joakim brännström

4 Nov 2004

Updates

16 Feb 2006

1.0.0.0

Code update

MATLAB Release Compatibility

Created with R14

Compatible with any release

Platform Compatibility

Windows macOS Linux

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