MMF (Yamaha SMAF (Synthetic Music Mobile Application Format))
Yamaha format for ringtones and cellphone sounds, popular in Japan in the 2000s. Combines synthetic MIDI data with PCM audio samples in a compact file.
Yes, we support MMF!
Technical Specifications
Advantages
- Broad compatibility with players and legacy systems
- Directly accepted with no conversion needed
- Accurate automatic transcription via AssemblyAI
Disadvantages
- Lossy compression — not ideal for final production masters
- Limited audio quality may reduce transcription accuracy
Use Cases
How It Works
Upload your file
Upload your MMF file via browser or drag and drop.
Automatic transcription
Our AI transcribes the audio with high accuracy in minutes.
Download the result
Download the transcription as text, SRT, VTT or other formats.
Yes, we support MMF!
Yamaha format for ringtones and cellphone sounds, popular in Japan in the 2000s. Combines synthetic MIDI data with PCM audio samples in a compact file.
Frequently Asked Questions
Does VoxScriber support MMF files?
Yes! VoxScriber fully supports MMF files. Simply upload your file and our AI will automatically transcribe it with high accuracy.
What is the audio quality of MMF?
MMF offers Basic audio quality with Lossy compression. This makes it suitable for most transcription use cases — our AssemblyAI engine extracts audio accurately regardless of compression level.
How do I transcribe a MMF file to text?
Go to VoxScriber, upload your MMF file (up to 5 GB / 10 hours), select the language and click transcribe. Your result will be ready in minutes as text, SRT or VTT.