Music Encoding Initiative Guidelines

Module

Attributes

compact
full definition
by class
by module

dur.quality

dur.quality(recommended)Encodes the durational quality of a mensural note using the values provided by the data.DURQUALITY.mensural datatype (i.e., the perfect / imperfect / altered / major / minor / duplex quality of a note). Value conforms to data.DURQUALITY.mensural.

direct children

dur.quality(recommended)Encodes the durational quality of a mensural note using the values provided by the data.DURQUALITY.mensural datatype (i.e., the perfect / imperfect / altered / major / minor / duplex quality of a note). Value conforms to data.DURQUALITY.mensural.

MEI.mensuralMensural repertoire component declarations.

dur.quality(recommended)Encodes the durational quality of a mensural note using the values provided by the data.DURQUALITY.mensural datatype (i.e., the perfect / imperfect / altered / major / minor / duplex quality of a note). Value conforms to data.DURQUALITY.mensural.

Available at

compact
by class
by module

note, space

att.duration.quality

spaceA placeholder used to fill an incomplete measure, layer, etc. most often so that the combined duration of the events equals the number of beats in the measure.

att.note.log

noteA single pitched event.

MEI.sharedComponent declarations that are shared between two or more modules.

noteA single pitched event.

spaceA placeholder used to fill an incomplete measure, layer, etc. most often so that the combined duration of the events equals the number of beats in the measure.

Constraints

Duplex quality can only be used with longas (in Ars antiqua).

Maior / minor quality can only be used with semibreves (in Ars antiqua).

Declaration


                                 <classSpec ident="att.duration.quality" module="MEI.mensural" type="atts">
                                    
                                    <desc xml:lang="en">Attribute that expresses duration for a given mensural note symbol.</desc>
                                    
                                    <constraintSpec ident="check_duplex_quality" scheme="schematron">
                                       
                                       <constraint>
                                          
                                          <sch:rule context="(mei:note|mei:space)[@dur.quality='duplex']">
                                             
                                             <sch:assert test="@dur='longa'">
                                                Duplex quality can only be used with longas (in Ars antiqua).
                                                </sch:assert>
                                             </sch:rule>
                                          </constraint>
                                       </constraintSpec>
                                    
                                    <constraintSpec ident="check_maiorminor_quality" scheme="schematron">
                                       
                                       <constraint>
                                          
                                          <sch:rule context="(mei:note|mei:space)[@dur.quality='maior' or @dur.quality='minor']">
                                             
                                             <sch:assert test="@dur='semibrevis'">
                                                Maior / minor quality can only be used with semibreves (in Ars antiqua).
                                                </sch:assert>
                                             </sch:rule>
                                          </constraint>
                                       </constraintSpec>
                                    
                                    <attList>
                                       
                                       <attDef ident="dur.quality" usage="rec">
                                          
                                          <desc xml:lang="en">Encodes the durational quality of a mensural note using the values provided by the
                                             data.DURQUALITY.mensural datatype (
                                             <abbr>i.e.</abbr>
, the perfect / imperfect / altered / major / minor / duplex quality of a note).</desc>
                                          
                                          <datatype>
                                             
                                             <rng:ref name="data.DURQUALITY.mensural"/>
                                             </datatype>
                                          </attDef>
                                       </attList>
                                    </classSpec>