Headphones
AMR is a high-fidelity audio format that is optimized for spoken-word recordings. However, even though this format provides excellent clarity when played through your computer's speakers, it isn't the most portable format. If you want to listen to AMR recordings on a personal media player, you will need to convert them to a more device-friendly format, such as MP3. Changing AMR files to MP3 may result in some loss of quality, but you will have a more versatile file format to work with.
Prepare for Conversion
The first thing you will need to do to convert an AMR file to MP3 is find an audio conversion program. There are several options out there, but if you are looking for a free solution, you might try Format Factory, which handles the AMR file format natively. See the Resources section for more on this program. Once you have downloaded and installed the program, get all of your AMR files together into a central folder. The most convenient place for this folder is on the desktop, but of course you're free to place it anywhere you wish. Also create a folder where you want the converted MP3 files to go.
Load AMR Files
Open the program of your choice and select MP3 as the conversion format. If you are using Format Factory, go to the "Audio" tab on the left side of the screen and then select "All to MP3." Now it is time to load the files. In Format Factory, a window will pop up asking where the files are that you wish to convert. Click on the "Add Folder" button on the right side of the window and then browse for the folder housing all of your AMR files. All the files will appear in the center box. Click "OK" to close the window.
Convert
Define the output folder. This will tell the program you are using where the new MP3 files should go. You can define this in Format Factory by going to the "Output Folder" button at the top of the screen and then browsing for the empty folder you created when you were preparing to convert the files. Once selected, close the window and then press "Start." Each file will have a status bar pop up next to it to indicate its progress. Once all the status bars next to the individual tracks have reached 100 percent, all your AMR files will have been converted to MP3. Note: The unconverted tracks still exist in their original folder, as well as in the new folder, so you will have two copies of your AMR files.
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