Information about .rf64 File Extension

Winamp is a media player for Windows-based PCs, written by Nullsoft, now a subsidiary of AOL. It is proprietary freeware/shareware, multi-format, extensible with plug-ins and skins, and is noted for its graphical sound visualization, playlist, and media library features.

foobar2000 is a freeware audio player for Windows. It is known for its highly modular design and extensive SDK which allows third-party developers to create plug-ins and add additional features. While supporting a large number of audio file formats, it has many features for metadata support and file organization, and it has a converter interface for use with command line encoders.