Audio
What is a .rf64 file?
A .rf64 file is a Broadcast WAVE (version 0 WAVEFORMATEXTENSIBLE Encoding). 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 Broadcast WAVE, Broadcast WAVE, RF64 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-wavThe technical record
For archivists, developers and the merely curious: these are the PRONOM registry entries for .rf64.
| Format name | Version | MIME type | PUID |
|---|---|---|---|
| Broadcast WAVE | 0 WAVEFORMATEXTENSIBLE Encoding | audio/x-wav | fmt/709 |
| Broadcast WAVE | 1 WAVEFORMATEXTENSIBLE Encoding | audio/x-wav | fmt/710 |
| RF64 | — | — | fmt/712 |
| RF64 Multichannel Broadcast Wave format | — | — | fmt/713 |