What is M4A and MP3?

The M4A file type is primarily associated with ‘MPEG-4 Audio Layer’. Files in. M4A format are actually the audio layer of (non-video) MPEG 4 movies. It a multimedia container format used to store compressed audio and video data; contains audio encoded with either the Advanced Audio Coding (AAC) codec or the Apple Lossless Audio Codec (ALAC). M4A files only contain audio data. The use of the “.m4a” extension arose due to the confusion between MPEG-4 video files and MPEG-4 audio-only files.

The iTunes Store provides songs in the M4A format. These songs are encoded using AAC compression, which significantly reduces the size of each file. Songs that include copyright protection have an .M4P extension. Windows Media Player 11 requires the K-Lite Codec Pack in order to play M4A files.

The MP3 file type is primarily associated with ‘MPEG Audio Stream, Layer III’. It is an audio-specific format that was designed by the Moving Picture Experts Group as part of its MPEG-1 standard and later extended in MPEG-2 standard. The quality of an MP3 file depends largely on the bit rate used for compression. Common bit rates are 128, 160, 192, and 256 kbps. Higher bit rates result in higher quality files that also require more disk space.

MP3 files are supported by most applications or portable music players, such as the Apple iTunes, VLC, Roxio Toast, Windows Media Player, Apple iPod and Microsoft Zune. They can also be played on the Amazon Kindle. Symbian OS mobile phones can play MP3 files using the UltraMP3 program.

audio files converter for mac is one of the most powerful M4A to MP3 Mac software to convert M4A video files from iTunes to MP3 on Mac and also convert any kinds of audio formats, such as FLAC, AC3, AAC, AIFF, WAV, etc. to MP3 on Mac OS X (Mountain Lion included).

This M4A to MP3 for Mac tool also can help you cut, split or merge M4A audio files and then output the edited M4A audio to MP3 on Mac with fast speed and high quality without any loss of the files. Here, you can set the audio output parameters on Mac, such as adjust encoder, sample rate, channels, bitrates etc.

Steps on Converting M4A to MP3 on Mac OS X

Note: This step by step guide will show you how to convert M4A to MP3 on Mac. It can be applied to Windows version also. Both Windows and Mac users can follow it to perform the task.

Free Download, Install and Run the M4A to MP3 Converter for Mac program on your Mac.

Step 1: Add M4A files to the Mac M4A to MP3 converter

Then, Click “add files” to add your M4A files to this M4A to MP3 Mac software. Batch conversion function is supported.

Step 2: Output M4A to MP3 on Mac

Set your output format as MP3 by clicking the drop-down list of Profiles and then choose “MP3” out of “Audio Formats”.

Step 3: Convert M4A to MP3 on Mac OS

Click Convert Button to convert M4A to MP3 Mac, then the rest of M4A to MP3 Mac task would be finished automatically by this perfect M4A to MP3 Mac Converter. After that you can click “Find Target” to find out where the output MP3 files are saved.

Now, you can play the new M4A music as MP3 on various MP3 Player.

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