RM is a multimedia file format used for streaming video and audio content over the internet. It is based on the RealMedia codec developed by RealNetworks. RM files offer low file sizes while maintaining acceptable video and audio quality, making them ideal for streaming applications.
WAV is an audio file format developed by Microsoft and IBM, primarily used for storing high-quality uncompressed audio files. It offers excellent sound quality, making it ideal for professional audio editing and recording. While WAV files can be large in size, they preserve every detail of the original recording.