Environment:      Siren
Superclass:         Siren.IntervalMagnitude
Category:         Music-Models-Implementation

Instances of MIDIVelocity are key velocities (approximately proportional to loudness) in the range 0 to 127.

The SymbolicLoudness class maps symbolic dynamic names onto this range on an approximately logarithmic scale.

accessing

value: theValue
   Truncate

printing

printOn0: aStream
   Print the receiver as a MIDI velocity.

units
   Answer the units string of the receiver.

private

species
   Answer Amplitude.

converting

asDB
   Answer a dB loudness; ratio 1 = 0dB, ratio 0.5 = -6dB, etc.

asMIDI
   Answer a MIDIVelocity.

asRatio
   Answer a RatioLoudness.

asSymbol
   Answer a symbolic loudness.

mostGeneral
   Answer the most numerically meaningful version of the receiver.

MetaClass:         MIDIVelocity class

class initialization

initialize
   Initialize the class instance variable.

coercion

ddMsgName
   Answer the selector to be used in coercing double-dispatching messages.