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How to Convert AMR to M4A in 2024

by Christine Smith • 2024-02-20 11:37:21 • Proven solutions

As you all know, there are dozens of audio formats available for us. Some of them are WAV, DSS, FLAC, ALAC, AIFF, PCM, MP3, OGG and many more. AMR and M4A are one of them. The AMR and M4A are the compressed codec audio formats. The AMR format is used to store spoken audio recordings but cannot give ideal results for any other audio files. Audios in AMR format are very highly compressed, due to which the pleasant sound quality of audio files decreases. So, we need to convert the AMR files to M4A format by an AMR to M4A converter. If you are looking for the same, go along with this article and get to know about it.

Part 1. What is the AMR format

The AMR stands for Adaptive Multi-Rate. It is a compressed audio codec format that was released in 1999. It is generally used to store speech recorded files. It is significantly used to compress audio files' sizes effectively than other formats like MP3, AAC, or WMA for storage management purposes. There are two AMR format types: AMR-NB (Narrowband) and AMR-WB (Wideband). AMR-NB is used for low bitrates like 4.75 KBS, 5.15 kbps, 12.20 kbps, etc. whereas AMR-WB is used for higher bitrates like 6.60 kbps, 8.85 kbps, 23.85 kbps, etc. AMR is mostly compatible with portable devices like smartphones or your MP3 player.

Though both AMR and M4A are lossy compressed audio formats, there are still some differences between them: The bitrate remains the same when converted from MP3 to M4A, and the sound quality does not change. But when it is converted to AMR format, the sound quality decreases. The M4A files can be played in Windows Media Player or by VLC player, but the files with AMR format cannot be opened on Windows personal computers.

Part 2. How to convert AMR to M4A on PC

These days many of us are dealing with a shortage of storage. Maybe it is in our smartphone on our personal computer. But we also don't wish to delete our old audio collections. Many individuals nowadays compress their MP3 files into the most efficiently compressed AMR format to store those files. But AMR files are not compatible with your PC. So, you need those files to convert AMR to M4A format. To learn how to convert AMR to M4A format, read further.

You must have heard about the Wondershare UniConverter software. Wondershare UniConverter (originally Wondershare Video Converter Ultimate) is the most famous and the easiest to use. This is the all-in-one software. Here you can work with images, GIFs, audio, DVDs, and many more. It offers you more than 1000 types of formats to work with! It allows you to convert audio, download audio, compress your audio, trim or merge audio files, etc. There are various other features of the Wondershare UniConverter software, as it is more than enough to fulfill all your requirements. And you can also learn them very merely within a short period of time.

Wondershare UniConverter

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Wondershare UniConverter is the most user-friendly software available in the market for you to convert any file of AMR format to M4A format. And for your better understanding, we have demonstrated to you the steps in the following from a Windows PC:

Step 1 Import your audio file or files.

At first, you have to click on the Audio Converter from the navigation panel of the left side. Then you have to click on the Add Files button at the center of the window to import your file or files.

add files

Step 2 Choose the audio format.

Now go to the Output Format at the bottom of the window from the drop-down tab. A pop-up window will appear where you have to go to the Audio. Now you have to select the M4A audio format (or your desired output audio format) and your output file's quality.

choose the format

Step 3 Convert the file.

You have to select an output folder from the File Location. Finally, you have to click on the Convert to convert any specific file or click on the Start All to convert a batch of files.

Part 3. How to convert AMR to M4A online

We all know that any software does not support the audio files which containing AMR format on our Windows personal computer. In contrast, the audio files containing the M4A format are easily supported by Windows Media Player. So, we need to convert the audio files of AMR to M4A format. For this, we require an AMR to M4A converter that can easily convert any AMR format audio file into an M4A format audio file within a concise period of time.

There are many useful online platforms available on the internet that you can access for the above requirement. But if you ask us for any such tool, then we will like to suggest you the Wondershare UniConverter. Yes, Wondershare UniConverter also offers its online version and is an ideal platform that can convert a file of any format to your desired compressed or compatible format.

It would be straightforward for you to convert your file online if you once go through the following steps, as mentioned in our step guide:

Step 1: At first, open the browser and head over to the online converter tool.

Step 2: Now, you have to drag and drop the audio AMR format file that you want to convert into M4A format, or you can directly import it from the Choose File button. Once imported, click on CONVERT.

add files

Step 3: After the conversion process, you can access it by clicking on the Download option.

choose the format

Part 4. How to open M4A files easily

M4A is a lossy compression audio codec format. It is effectively used to compress the size of any audio file without decreasing its sound quality. It is actually used for storage management on your personal devices like your most handy smartphones or your personal computer. These files are encoded with Advanced Audio Coding (AAC). M4A files can be opened with various programs like Windows Media Player, VLC, iTunes, Popcorn, Quicktime, Toast and Creator, etc.


We hope that the article will be very beneficial for you, as we have explained how to convert AMR to M4A format files both from your Windows personal computer and online. However, it is not such an easy process to understand. But we have tried our best to write it in a very user-friendly way and make you know about the steps to learn to convert AMR to M4A in the simplest way within a while. We will be glad and very thankful if this article is informative enough for you and able to fulfill your requirements.

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Christine Smith

Christine Smith

chief Editor

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