RMVB is a variant of the RM format that offers better compression for video and audio files. It is commonly used for storing and streaming high-quality video content at lower bitrates. RMVB files are often used for movies, TV shows, and video 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.