| MARC21-007: Level of compression of electronic resource |
lossless |
An example of a lossless compression scheme would be TIFF Group 4 compression employed on bitonal image files. |
scope note |
en |
| MARC21-007: Level of compression of electronic resource |
lossy |
lossy |
preferred label |
en |
| MARC21-007: Level of compression of electronic resource |
lossy |
Lossy compression schemes employ techniques which average or discard some of the encoded digital information. When the file is decompressed, it will not be an exact replica of the original file. |
definition |
en |
| MARC21-007: Level of compression of electronic resource |
lossy |
d |
notation |
en |
| MARC21-007: Level of compression of electronic resource |
lossy |
Examples of lossy compression schemes include JPEG, and Kodak ImagePac (Photo CD), AC-3 (Dolby Digital) and MPEG. |
scope note |
en |
| MARC21-007: Level of compression of electronic resource |
mixed |
mixed |
preferred label |
en |
| MARC21-007: Level of compression of electronic resource |
mixed |
Mixture of techniques has been used to compress various parts of the electronic resource. |
definition |
en |
| MARC21-007: Level of compression of electronic resource |
mixed |
m |
notation |
en |
| MARC21-007: Level of compression of electronic resource |
unknown |
unknown |
preferred label |
en |
| MARC21-007: Level of compression of electronic resource |
unknown |
Compression techniques are not known. |
definition |
en |
| MARC21-007: Level of compression of electronic resource |
unknown |
u |
notation |
en |
| MARC21-007: Level of contraction of tactile resource |
uncontracted |
uncontracted |
preferred label |
en |
| MARC21-007: Level of contraction of tactile resource |
uncontracted |
Not contracted. |
definition |
en |
| MARC21-007: Level of contraction of tactile resource |
uncontracted |
a |
notation |
en |
| MARC21-007: Level of contraction of tactile resource |
uncontracted |
Includes grade 1 braille. |
scope note |
en |
| MARC21-007: Level of contraction of tactile resource |
contracted |
contracted |
preferred label |
en |
| MARC21-007: Level of contraction of tactile resource |
contracted |
Contracted. |
definition |
en |
| MARC21-007: Level of contraction of tactile resource |
contracted |
b |
notation |
en |
| MARC21-007: Level of contraction of tactile resource |
contracted |
Includes Standard English braille, the code for contracted braille of the Braille Authority of the United Kingdom and English Braille, American ed., the code for contracted braille of the Braille Authority of North America. |
scope note |
en |
| MARC21-007: Level of contraction of tactile resource |
combination |
combination |
preferred label |
en |