Convert OPUS to MMF Online

This free audio converter will help you quickly convert OPUS files to MMF (Music Mobile File) format.

How to convert OPUS to MMF online

  • 1First, select .opus files to convert and upload them from your computer or via the link.
  • 2Then click the "Convert" button and wait for the conversion to complete.
  • 3Now you can download your .mmf files individually or in a single archive.
Convert OPUS to MMF Online

OPUS
OPUS (Opus Audio Codec)

OPUS is an audio codec and file format of the same name designed for storing audio. OPUS provides lossy compression and was intended for streaming audio in online broadcasts. Files in the OPUS format support bitrates from 6 to 510 kbps and provide low latency during encoding, which is why it is widely used in video conferences, voice communication (VOIP), video chats, etc. OPUS also allows you to work with regular music files.
File type: Audio
File extension: .opus
Developed by: Internet Engineering Task Force & Xiph.Org Foundation
Initial release: September 11, 2012

MMF
MMF (Music Mobile File)

MMF or Yamaha SMAF (Synthetic Music Mobile Application File) are audio files with .mmf extension. Files in the MMF format were often used for making ringtones for mobile phones with polyphony support. MMF audio files are usually created by converting from other popular formats with special software like Yamaha's SMAF Tools. Structurally, MMF is similar to MIDI melodies. An interesting feature of the format is the ability to display graphics and text as well.
File type: Audio
File extension: .mmf
Developed by: Yamaha
Initial release: 1999

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