M4A vs MP3 – Which Is Better?

M4A is a higher quality audio format, even at smaller file sizes, while MP3 is much more compatible with a wider range of devices.

In this article, we explain why.

MP3 vs M4A – Which One Is the Best Quality?

MP3 and M4A share a lot in common, which is why choosing the best one can be confusing. Both of them are “compressed lossy” audio formats.

As the name suggests, lossy compression is a data compression method used to reduce the file’s size. This is done so that some information from the file is discarded, which is why the encoded audio is different from the original one. As a result, you will not have the dynamic range or high-frequency response offered by the original recording.

However, M4A takes advantage of the Advanced Audio Coding (AAC) that encodes audio at a bitrate similar to the MP3 but offers better compression, resulting in higher sound quality. As we have mentioned above, M4A offers a better sound quality while MP3 format’s compatibility makes it easier to use with a wide range of devices.

MP3’s audio quality is usually satisfactory if you are looking to use it for casual listening purposes, particularly at higher bitrates.

What Is the M4A Format?

M4A, known to be the successor of the MP3 format, is compressed using MPEG-4 technology. MPEG-4 files that support both audio and video use a .mp4 extension, but the ones with audio-only support use the .m4a extension.

Apple first introduced this format with the aim to differentiate MPEG-4 audio files from MP4 files. It struggled with popularity until Apple.Inc used it in iTunes and iPod.

M4A is similar to the MP3 format in many ways but offers better sound quality, as we discussed above. With the help of Advanced Audio Coding (AAC), M4A downsizes the data while preserving the quality.

Moreover, the files are easy to edit and transfer, as they do not have Digital Rights Management (DRM) protection. This allows users to stream a large variety of audio without any license or other limitations.

The only downside of the M4A format is that a wide range of devices does not support it.

What Is the MP3 Format?

MP3 is one of the most well-known audio formats offering universal compatibility.

Being one of the first compression formats, the MP3 format has been in the market for quite a long time. It is used to reduce the file size of CD tracks by getting rid of the information that users aren’t able to hear properly. This process is called perceptual coding, and it helps the format reduce size without compromising the quality.

The MP3 format can be played on almost every device, and the audio files can be downloaded, shared, and saved without any restrictions. You will find dozens of MP3 players available online, most of which are free to use. Moreover, you can also convert your MP3 audio files into M4A following the steps mentioned below.

The sound quality offered by the M4A format is better than the MP3 format, but many argue that since the difference isn’t considerably noticeable, one might not need it unless necessary.

Differences Between M4A and MP3 Formats

We have briefly mentioned some differences between the formats above, and in this section, we will walk you through them in detail.

Here are some major differences between M4A and MP3 audio formats:

Compatibility

M4A is a newer format than MP3, so M4A files are not as good with compatibility. Finding MP3 music and accessing it on a wide range of devices is relatively simple and can be done instantly. It supports both HLS and MPEG-DASH streaming protocols.

Compression

M4A is a highly-compressed format, as it uses MPEG-4 technology while MP3 is less compressed compared to M4A. However, M4A files sound better than MP3 files, even at lower bitrates.

Quality

M4A uses the lossy AAC codec to encode the files. This helps the format get tighter compression than MP3 while offering the same bitrate. As a result, you can play high-quality sounds using files of smaller sizes.

Converting M4A to MP3

As we mentioned earlier, M4A offers superior sound quality, while MP3 is a highly-compatible format. If you want to convert an M4A audio file into MP3 format, the easiest and quickest way to do so is by using audio converter software.

You will also find plenty of online platforms that will allow you to convert the format in no time.

All you need to do is upload the M4A file in the converter and click on the conversion button. The online converter will convert the file into the format of your choice with little to no user input.

Summary

This brings us to the end of our guide comparing M4A vs MP3, and we hope that by now, you are well-aware of the advantages and disadvantages of both formats.

If you are looking for a format that is compatible with almost all of your devices, then MP3 is the way to go. However, if you prioritize quality over compatibility, then you might find M4A more suitable.

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