How to Play MMF Files? How to Convert MMF Files to MP3?

Q: "Is there any way to convert a lot of ringtones in .mmf format all at once to MP3 or WAV for example? I know there are a lot of online converters, but they either can convert only 1 file at once or won't recognize this file type. Any suggestions?"

A: Well, MMF is an audio format container that stores Yamaha SMAF data for ringtones using on some old hand-held portable devices, such as mobile phones and PDAs. In a nutshell, MMF is an old audio format commonly used for ringtones, and is incompatible with most modern media players and audio editors on all platforms. That's the reason why many people rummage around the Internet for an MMF player and an MMF file converter. Here, this post will give you a satisfactory answer.

Yamaha's Mid Radio player is a free mini player that can be used to play back general MIDI files and SMAF (.mmf) files, which were commonly used in the early/mid 2000s with mobile phones. Despite the discontinued update, Yamaha MidRadio Player is still highly recommended to play MMF files on both Windows and Mac OS. Follow the steps to open and play MMF files.

Step 1. Download Yamaha MidRadio Player from the webpage: https://download.music-eclub.com/.

Step 2. Click on "ダウンロードページへ" button to open a new webpage. Scroll down and press "同意する" on the bottom of the page.

Step 3. Take an example for Windows users, based on your Windows version, click "ダウンロード" link to download "mr7211.msi" or "mr7211.exe" installer.

Step 4. Run the installer and follow the instructions to complete the installation of Yamaha MidRadio Player. Your MMF file will be automatically associated Yamaha MidRadio Player.

Step 5. Double-click your MMF files to play them in the free MMF player.

Note: The problem is, however, Yamaha MidRadio Player doesn't have an official English version. If you are not feeling comfortable with Japanese, I have uploaded an English translation portable version to Google Drive. Simply run the executable file "MidRadioEN.exe" to open the MMF player after unzipping file package, then drag and drop your MMF files onto it.

You can download it here: https://drive.google.com/file/d/1gGKCzrN6GRsp-kx2Cd84HiQbqx7OQj5A/view?usp=sharing

Yamaha MidRadio Player is only capable of MMF file playback on computer. But what if you want to play or edit MMF file on other devices or applications? It's a good option to convert MMF files to the universal MP3. Therefore, an MMF to MP3 converter is a must-have. WonderFox HD Video Converter Factory Pro is first choice because it can be used as an MMF player, MMF converter and MMF editor simultaneously. The batch audio conversion mode will save you a lot of time and energy, and the user-friendly interface will impress you a lot.

Free downloadFree download this application here, and learn how to batch convert MMF file to MP3 all at once.

Audacity is an acclaimed free audio editor that everyone should be familiar with. But Audacity doesn't natively support MMF file unless you have the FFmpeg Import/Export Library is installed. Good news is, LAME MP3 encoder has been built-in with latest version of Audacity as the software patent on LAME encoding library has expired, that is, you're able to import and export MP3 in Audacity without installing LAME library. Here's the walkthrough.

Step 1. Install or update Audacity to the latest version through official website: https://www.audacityteam.org/.

Step 2. To convert MMF to MP3 with Audacity, follow the instructions to install FFmpeg Import/Export Library for Audacity: https://manual.audacityteam.org/man/faq_installing_the_ffmpeg_import_export_library.html. Otherwise, you will run into import failure error.

Step 3. Run Audacity, click "File" > "Open" to load your MMF files, or simply drag and drop them into the interface. It may take a while to load all of them. With the FFmpeg Library installed, you're able to import MMF files to Audacity without a hitch.

Step 4. Now you can edit MMF files as you wish, such as splitting tracks, merging tracks, isolating vocals, etc.

Step 5. Click "File" > "Export" > "Export Multiple" to open a new window.

Step 6. Select "MP3 Files" option in the format list.

Step 7. In "Options" section, you're allowed to convert MMF's to 320kbps MP3's or select your preferred quality.

Step 8. Finally, click "Export" > edit MP3 metadata > "OK" to make Audacity convert MMF to MP3.

Instead of installing additional software or plug-in, most people prefer to convert MMF to MP3 online. Unfortunately, not every online audio converter works well for changing the MMF audio file type. Here, I'll take Audio-Convert as an example for illustrating how to convert MMF to MP3 below.

Step 1. Open the MMF MP3 converter online from your browser: https://audio-convert.com/mmf-converter/mmf-to-mp3.

Step 2. Click on the "Upload.MMF" button to select and upload the MMF file from your computer, Dropbox or a URL. You can also drag and drop the MMF file to the white box area.

Step 3. Select "MP3" from the output format drop-down list. And press the "Gear" button to personalize the parameters.

Step 4. Click on the "CONVERT" button to convert MMF to MP3 online.

Step 5. When the conversion process is complete, press the "DOWNLOAD" button to download the converted MP3 file to your computer.

That's all! Now you've figured out what an MMF file is, how to play MMF file and how to convert MMF to MP3 or any other audio format. If you're unlucky to run into an awkward issue that the MMF file won't convert but works in the MMF player, a roundabout solution is to record the audio using HD Video Converter Factory ProHD Video Converter Factory Pro or Audacity while playing MMF files in Yamaha MidRadio Player. Hopefully this post is helpful to deal with MMF files. Your thoughts would be appreciated. Thanks for your reading!