.dff DSDIFF audio
Audio
| MIME type | audio/x-dff |
|---|---|
| Description | DSDIFF audio |
| Acronym | DSDIFF – Direct Stream Digital Interchange File Format |
| Category | Audio |
| Signature (magic bytes) | 46 52 4D 38 (FRM8) |
Frequently asked questions
What is a .dff file?
A .dff file is a “DSDIFF audio” (MIME type audio/x-dff). DSDIFF stands for Direct Stream Digital Interchange File Format.
How do I open a .dff file?
With a media player such as VLC, which plays almost every audio format; on Windows also Media Player, on macOS Music or QuickTime. To edit it, use Audacity for example.
How can you tell a genuine .dff file?
By the bytes at the start of the file, the signature (magic bytes): 46 52 4D 38 (FRM8). On Linux and macOS, file --mime-type example.dff checks the real type regardless of the extension.
Which MIME type belongs to .dff?
The MIME type is audio/x-dff. In the Apache web server: AddType audio/x-dff .dff; in nginx: types { audio/x-dff dff; }.