.NSV File Extension
File TypeNullsoft Streaming Video File
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is an NSV file?
Streaming video container format developed by Nullsoft; used for streaming video clips over the Internet, such as video feeds for Winamp TV; supports multiple types of compression and can include multiple audio tracks, subtitles, and other data.
Nullsoft streaming audio files use the .NSA extension.