ISMN

ISMN

An ISMN barcode is a variant of EAN-13 with a prefix 979 that is used to identify printed music.

Also known as: International Standard Music Number, ISMN-13.

Variants:

• ISMN-10 is a legacy format that was depreciated for public use.

Standards: ISO 10957, ISO/IEC 15420, BS EN 797, GS1 General Specifications.

Data and Options

• The data should contain twelve or thirteen digits separated appropriately by dash characters -.
• The data can also be provided in legacy ISMN-10 format start M- then eight or nine digits separated appropriately by dash characters -. This will be automatically upgraded to the ISMN-13 format.
• If the last digit of the primary data is not given then the ISMN check digit is calculated automatically, otherwise it will be verified.
• The primary data can optionally be followed by a space then two or five digits if an EAN-2 or EAN-5 add-on is required.
• The includetext option should normally be supplied.
• The guardwhitespace option enables the display of whitespace guard marks.
• The following options are also relevant to this barcode symbology:
  • ismntextfont: PostScript font name for text above symbol
  • ismntextsize: Font size for the text above symbol, in points
  • ismntextxoffset: Horizontal position of ISMN text, in points
  • ismntextyoffset: Vertical position of ISMN text, in points
• Deprecated. The legacy option prevents ISMN-10 input from being upgraded to ISMN-13 and will result in a symbol that is obsolete and should not be used at point of sale.

Example ISMN

Identical symbols, input provided with and without an ISMN check digit:

Data:    979-0-2600-0043-8
Options: includetext
Encoder: ismn

Data:    979-0-2600-0043
Options: includetext
Encoder: ismn

The following ISMN-10 input will be automatically upgraded to a valid ISMN-13 symbol:

Data:    M-345-24680-5
Options: includetext
Encoder: ismn

Data:    M-345-24680
Options: includetext
Encoder: ismn

Example ISMN-10

Note that ISMN-10 is a legacy format not for use at P.O.S.

The following will generate an obsolete ISMN-10 symbol:

Data:    M-345-24680-5
Options: legacy includetext guardwhitespace
Encoder: ismn

Data:    M-345-24680
Options: legacy includetext guardwhitespace
Encoder: ismn