<data.MIDIMSPB>

Tempo expressed as microseconds per "beat", where "beat" is always defined as a quarter note, *not the numerator of the time signature or the metronomic indication*.
Module
MEI
Used by
These class-based attributes use data.MIDIMSPB
att.midiTempo/@midi.mspbRecords the number of microseconds per *quarter note*. In MIDI, a beat is always defined as a quarter note, *not the numerator of the time signature or the metronomic indication*. At 120 quarter notes per minute, each quarter note will last 500,000 microseconds.
Declaration
<macroSpec ident="data.MIDIMSPB" module="MEI" type="dt">
<desc>Tempo expressed as microseconds per "beat", where "beat" is always defined as a quarter note, *not the numerator of the time signature or the metronomic indication*.</desc>
<content>
<rng:data type="positiveInteger"/>
</content>
</macroSpec>