Format
SEG Y Data Exchange Format
Summary
- Name
- SEG Y Data Exchange Format
- Version
- Generic
- Identifiers
- PUID: fmt/363
- Description
- This is an outline record only, and requires further details, research or authentication to provide information that will enable users to further understand the format and to assess digital preservation risks associated with it if appropriate. If you are able to help by supplying any additional information concerning this entry, please return to the main PRONOM page and select ‘Add an Entry’.
- File extensions
-
segy - Source
- Archaeology Data Service / Archaeology Data Service
Internal signatures
SEG Y Data Exchange Format (Generic 1)
- Note
- Signature based on recurring sequences observed in sample of 25 files from various web based sources, and with reference to the SEG Y Rev 1 Data Exchange Format SEG Technical Standards Committee paper, May 2002, available at http://www.seg.org/resources/publications/misc/technical-standards
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 320
- Byte Sequence
40404040404040404040404040404040404040404040- Endianness
- None
- Min Frag Length
- Absolute from BOF
- Offset
- 3200
- Max offset
- None
- Byte Sequence
0000{15}[!00]{3}[!00]{2}(0100|00[01:08])- Endianness
- None
SEG Y Data Exchange Format (Generic 2)
- Note
- Signature based on recurring sequences observed in sample of 25 files from various web based sources, and with reference to the SEG Y Rev 1 Data Exchange Format SEG Technical Standards Committee paper, May 2002, available at http://www.seg.org/resources/publications/misc/technical-standards
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 320
- Byte Sequence
40404040404040404040404040404040404040404040- Endianness
- None
- Min Frag Length
- Absolute from BOF
- Offset
- 3600
- Max offset
- None
- Byte Sequence
0000{15}[!00]{3}[!00]{2}(0100|00[01:08])- Endianness
- None
Changelog
-
Added in V52
- Release date
- 7 September 2011
SEG Y Data Exchange Format Generic: Signature developed through PRONOM Research.
SEG Y Data Exchange Format Generic: Outline entry added. Submission from Archaeology Data Service.