<?xml version="1.0" encoding="utf-8"?>
<PRONOM-Report xmlns="http://pronom.nationalarchives.gov.uk">
  <report_format_detail>
    <FileFormat>
      <FormatID>2669</FormatID>
      <FormatName>Direct Stream Digital Interchange File Format</FormatName>
      <FormatVersion>
      </FormatVersion>
      <FormatAliases>
      </FormatAliases>
      <FormatFamilies>
      </FormatFamilies>
      <FormatTypes>Audio</FormatTypes>
      <FormatDisclosure>
      </FormatDisclosure>
      <FormatDescription>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.</FormatDescription>
      <BinaryFileFormat>
      </BinaryFileFormat>
      <ByteOrders>
      </ByteOrders>
      <ReleaseDate>
      </ReleaseDate>
      <WithdrawnDate>
      </WithdrawnDate>
      <ProvenanceSourceID>220</ProvenanceSourceID>
      <ProvenanceName>The Church of Jesus Christ of Latter-Day Saints / The Church of Jesus Christ of Latter-Day Saints</ProvenanceName>
      <ProvenanceSourceDate>06 Feb 2023</ProvenanceSourceDate>
      <ProvenanceDescription>
      </ProvenanceDescription>
      <LastUpdatedDate>06 Feb 2023</LastUpdatedDate>
      <FormatNote>http://fileformats.archiveteam.org/wiki/DSD
https://en.wikipedia.org/wiki/Direct_Stream_Digital
Specification:  https://www.sonicstudio.com/pdf/dsd/DSDIFF_1.5_Spec.pdf</FormatNote>
      <FormatRisk>
      </FormatRisk>
      <TechnicalEnvironment>
      </TechnicalEnvironment>
      <FileFormatIdentifier>
        <Identifier>fmt/1818</Identifier>
        <IdentifierType>PUID</IdentifierType>
      </FileFormatIdentifier>
      <ExternalSignature>
        <ExternalSignatureID>3270</ExternalSignatureID>
        <Signature>dff</Signature>
        <SignatureType>File extension</SignatureType>
      </ExternalSignature>
      <InternalSignature>
        <SignatureID>2158</SignatureID>
        <SignatureName>Direct Stream Digital Interchange File Format</SignatureName>
        <SignatureNote>BOF Absolute from beginning of file, magic bytes:FRM8{8}DSD FVER</SignatureNote>
        <ByteSequence>
          <ByteSequenceID>2500</ByteSequenceID>
          <PositionType>Absolute from BOF</PositionType>
          <Offset>0</Offset>
          <MaxOffset>0</MaxOffset>
          <IndirectOffsetLocation>
          </IndirectOffsetLocation>
          <IndirectOffsetLength>
          </IndirectOffsetLength>
          <Endianness>
          </Endianness>
          <ByteSequenceValue>46524D38{8}4453442046564552</ByteSequenceValue>
        </ByteSequence>
      </InternalSignature>
    </FileFormat>
    <SearchCriteria>Criteria</SearchCriteria>
  </report_format_detail>
</PRONOM-Report>
