Convert rmf to otb

What is the difference between .rmf and .otb?

Description: RMF (Raw Media Format) is an audio file format created by Beatnik, Inc. It is used for storing digital audio and sound data. RMF files are often used for streaming audio on the web and can contain multiple audio tracks in one file. RMF files are also used to store MIDI data.; The OTB (Nokia Over The Air Bitmap Image) file format is a type of image file developed for use on Nokia mobile devices. These files are specifically optimized for efficient transmission and display on Nokia phones, particularly older models. The OTB format is designed to be compact to facilitate over-the-air (OTA) transmission, which was an essential feature in the era of limited bandwidth and data transfer capabilities. The format supports monochrome graphics, making it suitable for simple images like icons and logos.