Playing an MP3 or WAV File in C#

Playing an audio file such as an MP3 or WAV is incredibly easy in C#. For WAV files you can use the SoundPlayer class found in the System.Media namespace. Playing an MP3 will require referencing the Windows Media Player COM component.

How to Play a WAV file

To play the WAV file simply create a new SoundPlayer object, set the SoundLocation property to the location of your WAV file, and then use the Play method to play it.

System.Media.SoundPlayer player = new System.Media.SoundPlayer();
 
player.SoundLocation = "My Wav File.wav";
player.Play();

How to Play an MP3 file

Playing an MP3 with C# is just as easy as playing a WAV except that it requires you to use the Window Media Player COM component. So first, add a reference to wmp.dll, which you can find in the System32 directory. Here is an example of how to play an MP3 file:

WMPLib.WindowsMediaPlayer wplayer = new WMPLib.WindowsMediaPlayer();
 
wplayer.URL = "My MP3 file.mp3";
wplayer.controls.play();

So there you have it; a simple example of how to play an MP3 and WAV file using C#. I hope you find it useful. If you have any questions feel free to ask.

April 5, 2009 · crow · 34 Comments
Posted in: C#

34 Responses

  1. Eliot Ball - April 16, 2009

    Thanks a lot, this is really helpful!

  2. Eliot Ball - April 16, 2009

    I’m gonna use this in an app! (sorry for double post)

  3. Christina - June 9, 2009

    Hello…. thank you so much for posting this. This was very helpful. I am actually developing a website which should play mp3 files from a list of files and I had a hard time figuring it out. You made work so much easier….

  4. Guinness - June 10, 2009

    Hi,

    I’ve tried to get this working, but I can’t get the system.media to be acceble for me

  5. mudassir - January 13, 2010

    I am actually developing a Application in which should play mp3 files from a list of files when user touches picturesBox and I had a hard time figuring it out. You made work so much easier…. if you share some code
    please reply.. I wait.

  6. Henry Tang - February 11, 2010

    Very helpful.Thx

  7. charlie - May 5, 2010

    Hi, I saw your code, Im trying to make this a push button effect, when you press a button, it will play “the” wave file, but when I implemented there is always an error when I run the code, it says “FileNotFoundException was unhandled”

  8. rehu - July 2, 2010

    i am trying to do the coding above but i am getting the error
    Sound API only supports playing PCM wave files.
    pleae help

  9. Hemant Saxena - November 10, 2010

    Does this code works if I browse web page on iPhone or Blackberry?

  10. Neelesh - September 11, 2011

    nice code…will be more understandable if you would have given a complete description of how to add COM component of Media Player…

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  12. Lexusjjss - November 21, 2011

    How do you loop MP3′s?

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  16. Aneesh - March 16, 2012

    Very helpful…thanx

  17. Gurjaspal Singh Bedi - March 29, 2012

    Thank you so much! It helped.

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  19. Jonas F. - July 1, 2012

    i think the path where you can find the dll has moved to C:\Windows\winsxs\wow64_microsoft-windows-mediaplayer-core_31bf3856ad364e35_6.1.7601.17514_none_73e472e09a1a05d1 or something related

  20. Jonas F. - July 1, 2012

    Oh sorry it do seem to be it.

  21. Josh - July 4, 2012

    Awesome, thanks! The only problem is that it plays the file for a few seconds and then stops. Any ideas why that might be?

    I’ve tried using different .mp3 files, but the result is the same. The code I use is this:

    public static class Music
    {
    public static void Play(string file)
    {
    WMPLib.WindowsMediaPlayer wplayer = new
    WMPLib.WindowsMediaPlayer();
    wplayer.URL = file;
    wplayer.controls.play();
    }
    }

    Music.Play(“Sounds\\music.mp3″);

  22. Josh - July 4, 2012

    Okay, I figured it out. It plays until I call an OpenGL function. Then it stops. So, apparently, I need to play music files another way using OpenGL.

  23. kunal - September 24, 2012

    i want the working code to play list of songs taking from user and play it repeatedly
    as if
    suppose three songs are selected by user
    after the 1st is played, jump to 2nd, then to 3rd, and later on repeat that song from top of the list

    i want all this working on thread other than main

    REPLY ME ASAP

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  25. bluffmaster - April 15, 2013

    oh really , its working. thanks a lot. i was trying this for long time but now it is clear.

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