jfor.org

Audio

What is a .rf64 file?

A .rf64 file is a RF64. This is an audio format. Confusingly, this extension has been used by 4 different formats over the years — they're all listed below.

This extension has been used by more than one format

4 different formats have claimed .rf64 over the years, so two files with the same extension aren't necessarily the same kind of thing.

How to open a .rf64 file

  • VLC plays almost every audio format ever made.
  • Audacity opens it for editing.

The registry records this extension against RF64, Broadcast WAVE, Broadcast WAVE and others, so software from that family is the most likely match.

How to convert a .rf64 file

  • Export as .mp3 from Audacity or VLC for maximum compatibility.

MIME type

When a .rf64 file travels over the web, servers label it with this MIME type:

audio/x-wav

What's a MIME type?

The technical record

For archivists, developers and the merely curious: these are the PRONOM registry entries for .rf64.

Format nameVersionMIME typePUID
RF64——fmt/712
Broadcast WAVE1 WAVEFORMATEXTENSIBLE Encodingaudio/x-wavfmt/710
Broadcast WAVE0 WAVEFORMATEXTENSIBLE Encodingaudio/x-wavfmt/709
RF64 Multichannel Broadcast Wave format——fmt/713

Got another one?