You can sometimes convert these files in the Finder by Control clicking on them and choosing Services and then there is Encode Selected Audio FIles and you can reencode this as a mpeg4 audio file. But one of the problems is that if it is not a mpeg4 audio file, like this MP3 you can't drag it in, the Wave file you can't drag that in. It's a nice interface here with a nice big Wave form that you easily see and manipulate which could make it attractive to do this in Voice Memos. But you can also now go in and Trim this audio, like that, and now this is all trimmed and you can export back out by dragging out and you see how you get a new copy of it. Because now it syncs across to all your devices. You can actually add audio to Voice Memos which is a kind of useful thing all by itself. But what about these external files? Well, if it is standard mpeg4 audio, which you can see that's what this M4A is here, Apple mpeg4 audio, then you can easily drag this in. You can go to Edit, Trim Recording or Command T, and now you can trim right here and get it to what you want and then Trim. In that case it definitely makes sense to just trim it in here. So what you're trimming could actually be something that is already here in Voice Memos. Of course the Voice Memos App is a great way to record something either on your Mac or your iPhone and through iCloud it ends up on your Mac. Of course there are a lot of different things you can do on Audacity as well including effects and easily editing out sections and all of that. You can open up the MP3 or the Wave file just as easily. Then go to File and Export and export a variety of different formats. I can select an area like this and just press Delete. Then you can trim it a variety of different ways. In Audacity you can open up anyone of these files here. Go to to download it directly from the source. A lot of people love to use this app for editing audio. Now a free app that you can download from the web is Audacity. So I can bring this MP3 in and I can bring this Wave in just as easily. GarageBand accepts a wide variety of different formats. Of course you can do other things in GarageBand as well like Filter it, Equalize it, and adjust things like the volume and all of that. One of the advantages to GarageBand, as you can see right away, is you can export in a variety of different formats and settings for those formats as well. You can go then to Share, Export Song to Disk, and export a new copy. Grab the bottom left hand corner, trim it in, and drag it back to the beginning and then grab the bottom right hand corner like that, and trim the stuff out from the end, and then you get what you want. Then you could very easily expand this so you can actually get very detailed on how you trim. You're not actually going to record anything new. So create a new empty project, like this. But you can use it to simply trim an audio file. Now when it comes to audio you may right away turn to GarageBand which is a free app you can get from Apple in The App Store and it does a ton of different things. Or I can open up this Wave file in Quick Time Player and trim that. So I can open up this MP3 here in Quick Time Player and trim. This works with the most common types of audio files. Then click Trim and then File, Save will save a new copy with just that new area. You can Play and figure out exactly what you want to trim. Then you can Trim a little off each side. You can even drag the right side to expand it a bit to make it a little easier to deal with. So go to Edit, Trim or Command T and then you get this little interface here. Quick Time Player allows you to trim video and if you open something that is just audio guess what? You can trim just the audio. Now it will open up and of course there is no video component. You could launch Quick Time Player and choose File, Open or you can Control Click, two-finger click on the trackpad or right click on a Mouse, choose Open With and then Quick Time Player. Now to open these in Quick Time Player you can drag them to Quick Time Player. Now I have three different types of audio files here. You may think of Quick Time Player as a video player. The first method is going to involve just using Quick Time Player. So let me show you five different methods. Now if you have an audio file and you want to trim it, it's fairly easy to do using either software built into macOS or free software you can download. Join us and get exclusive content and course discounts. There you can read more about the Patreon Campaign. MacMost is brought to you thanks to a great group of more than 1000 supporters. Let me show you five different ways that you can trim audio files on your Mac.
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