Features and Comparison of AVCHD™ and MP4 Video File Formats
A high-performance audio driver protocol designed by Steinberg to provide low-latency communication between software and hardware. Oasivdmp4
"Oasivdmp4" does not appear to be a recognized technical term, software, or standard file format in the current digital landscape. Features and Comparison of AVCHD™ and MP4 Video
Based on similar terms, it may be a typo or a combination of several related concepts: Oasivdmp4
A popular universal audio driver for Windows that allows audio interfaces without native drivers to achieve low latency.