Midi note number above middle c1/6/2023 This is just an alias for pitch2name(freq2pitch($x)). This is just an alias for pitch2freq(name2pitch($x)). pitch2freq my $freq = pitch2freq(69) Ĭonverts a pitch to a frequency, using the base frequency set. freq2pitch my $pitch = freq2pitch($440) Ĭonverts a frequency >= 0 Hz to a pitch, using the base frequency set. or pitch bend: -100 sets pitch bend to -100 cents from center position. or channel pressure: 32 sets channel pressure to 32. or Program changes: prog1 plays a program change message that sets the program to 1. 'Notes' can also be CC messages: cc32 plays a CC 32 message. pitch2name returns the lowercase version with a sharp, if necessary (e.g. You may also append the octave number to the note: c4 plays middle C. pitch2name my $name = pitch2name($pitch) Ĭonverts a pitch between 0 and 127 into a note name. These note names are shown below on the treble clef followed by the bass clef. Middle C (midi note 60) is shown with an orange line under the 2nd note on the piano diagram. This major scale key is on the Circle of 5ths - C major on circle of 5ths, which means that it is a commonly used major scale key. FUNCTIONS name2pitch my $pitch = name2pitch($name) Ĭonverts a note name into a pitch. The C major scale has no sharp or flat notes. Thus, the valid notes range between C-1 and G9. , followed by an octave number from -1 to 9. Shown here are based on Middle C = C4, which is an arbitrary The octave numbers are based on the table found in the MIDI standard (see ): The MIDI specification only defines note number 60 as "Middle C", andĪll other notes are relative. This module converts MIDI pitches between 0 and 127 (called 'note numbers' in the MIDI standard) and note names into each other. MIDI::Pitch - Converts MIDI pitches, note names and frequencies into each other SYNOPSIS use MIDI::Pitch qw(name2pitch pitch2name freq2pitch pitch2freq basefreq)
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