Direct Stream Digital Interchange File Format

Readable

audio

Direct Stream Digital is a digital audio format which uses pulse-density modulation at more than 64 times the sampling rate of CD Audio. Two formats associated with the file format are DSD Stream File (DSF) and DSD Interchange File Format (DFF). Direct Stream Digital (DSD) is a trademark used by Sony and Philips.

Identify it

Extensions	`.dff`
MIME types	`audio/x-dff`
Signatures	`46524d38` at byte 0 (Direct Stream Digital Interchange File Format)
PRONOM	`fmt/1818`
Wikidata	`Q117485251`

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Open it

mutagenOpen sourcereads · GNU General Public License, version 2.0
Q117725Open sourcereads · GNU General Public License, version 2.0
EZ CD Audio Converterreads and writes
Jaikozreads

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Sources

PRONOM fmt/1818
Wikidata Q117485251
File Formats Wiki

From PRONOM, Wikidata. Updated 2026-10-20.

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