DSD

Unknown

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	`.dsf.dff`
MIME types	`audio/x-dsfaudio/x-dff`
Signatures	`44534420` at byte 0 (Direct Stream Digital Stream File)
PRONOM	`fmt/1817fmt/1818`
Wikidata	`Q1227499`
Library of Congress	`fdd000230`

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Versions and variants (1)

Direct Stream Digital Interchange File FormatReadable

Sources

File Formats Wiki
PRONOM fmt/1817
Wikidata Q1227499

From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.

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