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    <p>The storyboard doesn't allow you to assign a 'audio' to a button. What you can do however is use the fairly simple <a href="https://developer.apple.com/library/mac/#documentation/AVFoundation/Reference/AVAudioPlayerClassReference/Reference/Reference.html" rel="noreferrer">AVAudioPlayer</a> in a function; </p> <h2>Add Libraries</h2> <p>To use the AVAudioPlayer you will first need to add 2 libraries/frameworks to your project. These Frameworks contains the basecode for the actual player and allows us (the app writers) to use it.</p> <p>Select your project in xCode and go to <strong>Build Phases</strong>. Select <strong>Link Binary with Libraries</strong>. Press the little <strong>[+]</strong>-icon and add the frameworks:</p> <ul> <li>AudioToolbox</li> <li>AVFoundation</li> </ul> <h2>Frameworks</h2> <p>Now we have to tell our code we will actually be using these two frameworks. Open the .H file of your controller and, at the top, add:</p> <pre><code>#import &lt;AVFoundation/AVFoundation.h&gt; #import &lt;AudioToolbox/AudioToolbox.h&gt; </code></pre> <h2>Event + Player</h2> <p>Bind one of the events of a UIButton (via the storyboard), eg Touch Up Inside, to a new IBAction function (eg playSound).</p> <p>By binding the event, your telling your application that if the users presses a button -> run this function/code.</p> <p>Now, within your newly created IBAction function (eg playSound) add some code to create a player with an MP3 and play it;</p> <pre><code>- (IBAction)playSound:(id)sender { // Load in a audio file from your bundle (all the files you have added to your app) NSString *audioFile = [[NSBundle mainBundle] pathForResource:@"filename" ofType:@"mp3"]; // Convert string to NSURL NSURL *audioURL = [NSURL fileURLWithPath:audioFile]; // Initialize a audio player with the URL (the mp3) AVAudioPlayer *player = [[AVAudioPlayer alloc] initWithContentsOfURL:audioURL error:nil]; // Start playing [player play]; } </code></pre> <p>I hope this will help you along in the right direction?</p> <p>Check the <a href="https://developer.apple.com/library/mac/#documentation/AVFoundation/Reference/AVAudioPlayerClassReference/Reference/Reference.html" rel="noreferrer">doc</a> of Apple for al the functions/methods the AVAudioPlayer has got besides "play" (eg buffering, pause etc)</p>
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    1. POPlay custom sound when storyboard button tapped
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    1. COI tried exactly this, but it didn't work, it didn't play any sound... The only difference was that I didn't use a mp3 file, but I used a wav file. Does this work with wav file?
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