MXF File, OP1a, Uncompressed Images in Generic Container

Sustainability of Digital Formats: Planning for Library of Congress Collections

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MXF File, OP1a, Uncompressed Images in Generic Container

Table of Contents

Identification and description
Local use
Sustainability factors
Quality and functionality factors
File type signifiers
Notes
Format specifications
Useful references

Format Description Properties

ID: fdd000203
Short name: MXF_OP1a_UNC
Content categories: moving-image, sound
Format Category: file-format
Other facets: container-wrapper, binary
Last significant FDD update: 2025-05-28
Draft status: Partial

Identification and description

Relationship to other formats
Full name	MXF File, OP1a, Uncompressed Images in Generic Container
Description	MXF OP1a file with uncompressed video essence in the Generic Container. See subtypes in Relationships for specifics about implementations.
Production phase	Generally employed in post-production or editing (middle phase) and in limited modes of dissemination (final phase).
Subtype of	MXF_OP1a, MXF Operational Pattern OP1a
Has subtype	MXF_GC_UNC_V210, MXF Generic Container with Uncompressed Video Essence V210
Has subtype	MXF_GC_UNC_UYVY, MXF Generic Container with Uncompressed Video Essence UYVY (2vuy)
Has subtype	MXF_GC_UNC_YUY2, MXF Generic Container with Uncompressed Video Essence YUY2 (yuv2)
Has subtype	MXF_RDD48, MXF Archive and Preservation Format Registered Disclosure Document (SMPTE RDD 48)
May contain	Audio and other essences of various types, not discussed at this time.

Local use

LC experience or existing holdings	No extensive experience.
LC preference	See the Library of Congress Recommended Formats Statement for format preferences for moving image content.

Sustainability factors

Disclosure	See MXF and MXF_OP1a.
Documentation	See MXF and MXF_OP1a.
Adoption	Moderate levels of adoption in professional production depending on the subtype. See MXF_GC_UNC_V210, MXF_GC_UNC_UYVY, MXF_GC_UNC_YUY2 and MXF_RDD48.
Licensing and patents	See MXF and MXF_OP1a.
Transparency	See MXF and MXF_OP1a.
Self-documentation	See MXF and MXF_OP1a. Accessibility Features See MXF.
External dependencies	See MXF and MXF_OP1a.
Technical protection considerations	See MXF and MXF_OP1a.

Quality and functionality factors

Moving Image
Normal rendering	Supported
Functionality beyond normal rendering	See MXF.
Sound
Normal rendering	See MXF.
Multiple channels	See MXF.

File type signifiers and format identifiers

Tag	Value	Note
Filename extension	See related format.	See MXF.
Internet Media Type	See related format.	See MXF.
Magic numbers	See related format.	See MXF.
Header partition pack key (MXF)	See related format.	See MXF_OP1a.
Other	See related format.	See MXF and MXF_OP1a for NARA File Format Preservation Plan ID.
Pronom PUID	See related format.	See MXF and MXF_OP1a.
Wikidata Title ID	See related format.	See MXF and MXF_OP1a.

Notes

General
History

Format specifications

See MXF and MXF_OP1a.

Useful references

URLs

See MXF and MXF_OP1a.

Last Updated: 06/02/2025