Sustainability of Digital Formats: Planning for Library of Congress Collections
Sustainability of Digital Formats: Planning for Library of Congress Collections |
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| Introduction | Sustainability Factors | Content Categories | Format Descriptions | Contact | |
| Full name | Matroska File Format with LPCM Audio Encoding |
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| Description |
Matroska file containing LPCM audio encoding. .Supported encodings are declared via the unique Codec ID in the Matroska Codec Mappings. Note that Matroska does not have a specific Codec ID for LPCM encoding. Instead, Matroska lists Codec ID for PCM Integer Big Endian (A_PCM/INT/BIG), PCM Integer Little Endian (A_PCM/INT/LIT) and Floating Point, IEEE compatible (A_PCM/FLOAT/IEEE). Comments welcome. |
| Production phase | Middle state, used for storage or archiving |
| Relationship to other formats | |
| Has subtype | Matroska, Matroska Multimedia Container |
| Contains | LPCM, Linear Pulse Code Modulated Audio |
| May contain | Video essences and other elements in various encodings. |
| LC experience or existing holdings | |
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| LC preference |
| Disclosure | See Matroska and LPCM |
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| Documentation | See Matroska and LPCM. |
| Adoption | Modest adoption of the combination of Matroska and LPCM. An early example was the open source Archivematica project (page now archived). For current details on Archivematica's format policies, see Archivematica Preservation Planning documentation; LPCM is the preservation encoding for audio and Matroska (MKV) the preservation wrapper format for video files. |
| Licensing and patents | See Matroska and LPCM |
| Transparency | See Matroska and LPCM |
| Self-documentation | See Matroska and LPCM |
| External dependencies | See Matroska and LPCM |
| Technical protection considerations | See Matroska and LPCM |
| Tag | Value | Note |
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| Filename extension | See related format. | See Matroska. |
| Internet Media Type | See related format. | See Matroska. |
| Magic numbers | See related format. | See Matroska. |
| Microsoft FOURCC | UYVY |
The encoding is identified using the codecID "V_MS/VFW/FOURCC" (Video for Windows/FOURCC) plus what Matroska calls private codec data containing the FOURCC code. |
| Pronom PUID | See note. | See Matroska. |
| Wikidata Title ID | See note. | See Matroska. |
| General | |
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| History |
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