This works in the newer versions of QuickTime Player for just about every version of OS X ever released, ranging from Snow Leopard to OS X Mavericks, El Capitan, and presumably into the future. M4a is basically a variation of the popular mp3 format and works just fine across many platforms, while still retaining high quality sound and good compression.

Otherwise you can just keep it in the current file format. If the file is m4a, aac, m4v, or otherwise, you can use iTunes to convert the song to MP3 format again.

Now the MP3 has been trimmed down the section of the song you wanted. Download Audacity Latest version : 3.2. Go to File -> Save As and save as an appropriate file type, you’ll have several options if you choose “Save As” or “Export”, but most users will want to pick the “m4a” format, or the iPhone. Audacity is an easy-to-use, multi-track audio editor and recorder for Windows, macOS, GNU/Linux and other operating systems.When you’re finished, click the yellow ‘Trim’ button.Drag the yellow sliders on the left and right side to trim down the section of the song to where you want, press the play button to confirm the audio segment is where you want things to be.Hit Command+T to open the Trim function, or, you can also find the Trim function under the “Edit” menu From quick and simple apps to professional-level Mac audio software, here are our top picks for the best audio editing software for Mac available for you to download.Open the MP3 file with QuickTime Player, you can launch the app from /Applications/ and then drag the MP3 file to edit into the QuickTime Dock icon.Make a copy of the MP3 file you want to trim.Here’s how to trim MP3’s and audio on a Mac using the built-in QuickTime tools: It meets your every needs when dealing with video audio editing.How to Trim MP3, m4a and Audio in Mac OS X Magic Cutter offer a quick way to automatically cut audio file by file size, pieces count, time duration, silences between the tracks or even associated CUE.

Who doesn’t know that Filmora Video Editor for Windows (or Filmora Video Editor for Mac) is a nice choice when it comes to video editing? Because besides the basic video and audio cutting tool, it also provides lots of other video editing tools such as rotating videos, combining videos and audios, cropping videos, adjusting audio speed and volume, adding fade in and fade out effect, adding qualizer and recording voiceover. 10 Best Video Audio Cutter Software for Windows and Mac Save the trimmed audio track on your computer Key Features: 1. Let's see whether you can find the one you like most. There are 10 best video audio cutter selected by most of professional video editors. Amost all the video editing work needs a good video audio cutter. The need of cutting video or audio files is so common when dealing with video editing.

Mac audio cutter