Information:
Media Type (337 tag) reflects the general type of
device, if any, required to view, play, or run the
content of the resource.
The 337 tag is used with "Resource Description and
Access" (RDA) cataloging guidelines. This tag
is not a core RDA element and is not mandatory in
a RDA record. When used, this tag along with tags
336 and 338 replace subfield h of the 245 tag.
For printed books and non-projected graphics such
as a poster or photograph, the term "unmediated" will
be used in this tag because no type of device is
required to view the content of the resource.
Instructions on recording content type are in RDA
3.2.
Subfield a contains a term such as audio, video, etc.,
for the intermediation device needed to view, play,or
run the content.
Subfield b contains a one-character lower case
alphabetic code for the media used to convey the content.
Subfield 2 contains the source of the term or code.
Subfield 3 contains the part of the described
material to which the field applies.
A list of Media Type terms and codes is available at:
http://www.loc.gov/standards/valuelist/rdamedia.html
Terms and/or codes may be used in the MARC record. In
Destiny a drop down box with a list of both terms and
codes is provided. Also in Destiny, default terms are
provided in the templates; however, these terms may be
edited if needed for the resource being cataloged.
Indicators
First Undefined
blank Undefined
Second Undefined
blank Undefined
Subfields
a Media type term (R)
b Media type code (R)
2 Source (NR)
3 Materials specified (NR)
6 Linkage (NR)
8 Field link and sequence number (R)
Examples:
337 _aaudio
_2rdamedia
337 _avideo
_2rdamedia
337 _aunmediated
_2rdamedia
(term used for printed text)
337 _aaudio
_bs
_2rdamedia
(term and code for sound recording)
337 _bv
_2rdamedia
(code for videorecording)
337 _3CD
_aaudio
_2rdamedia
337 _3book
_aunmediated
_2rdamedia
(audiobook on CD with accompanying print book)
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