NoteFreq - Revision history

JoeStrout: added example for controlling pitch of digitized instrument

2020-07-31T22:39:01Z

added example for controlling pitch of digitized instrument

JoeStrout: added explanation and example

2020-07-31T03:31:47Z

added explanation and example

SpatialPlays at 06:11, 28 April 2020

2020-04-28T06:11:14Z

SpatialPlays: Adds noteFreq and entire frequency note table in the standard MIDI range. (Please don't ask how long this took...)

2020-04-28T06:09:14Z

Adds noteFreq and entire frequency note table in the standard MIDI range. (Please don't ask how long this took...)

New page

<c>NoteFreq</c> is a public function that returns a specific frequency from a note table.

{| class="wikitable"
|-
! Value !! Note !! Frequency
|-
! 0 !! C-1 !! 8.1758
|-
| 1 || C#-1 || 8.6620
|-
| 2 || D-1 || 9.1770
|-
| 3 || D#-1 || 9.7227
|-
| 4 || E-1 || 10.301
|-
| 5 || F-1 || 10.914
|-
| 6 || F#-1 || 11.563
|-
| 7 || G-1 || 12.250
|-
| 8 || G#-1 || 12.979
|-
| 9 || A-1 || 13.750
|-
| 10 || A#-1 || 14.568
|-
| 11 || B-1 || 15.434
|-
! 12 !! C0 !! 16.352
|-
| 13 || C#0 || 17.324
|-
| 14 || D0 || 18.354
|-
| 15 || D#0 || 19.445
|-
| 16 || E0 || 20.602
|-
| 17 || F0 || 21.827
|-
| 18 || F#0 || 23.125
|-
| 19 || G0 || 24.500
|-
| 20 || G#0 || 25.957
|-
| 21 || A0 || 27.500
|-
| 22 || A#0 || 29.135
|-
| 23 || B0 || 30.868
|-
! 24 !! C1 !! 32.703
|-
| 25 || C#1 || 34.648
|-
| 26 || D1 || 36.708
|-
| 27 || D#1 || 38.891
|-
| 28 || E1 || 41.203
|-
| 29 || F1 || 43.654
|-
| 30 || F#1 || 46.249
|-
| 31 || G1 || 48.999
|-
| 32 || G#1 || 51.913
|-
| 33 || A1 || 55.000
|-
| 34 || A#1 || 58.270
|-
| 35 || B1 || 61.735
|-
! 36 !! C2 !! 65.406
|-
| 37 || C#2 || 69.296
|-
| 38 || D2 || 73.416
|-
| 39 || D#2 || 77.782
|-
| 40 || E2 || 82.407
|-
| 41 || F2 || 87.307
|-
| 42 || F#2 || 92.499
|-
| 43 || G2 || 97.999
|-
| 44 || G#2 || 103.83
|-
| 45 || A2 || 110.00
|-
| 46 || A#2 || 116.54
|-
| 47 || B2 || 123.47
|-
! 48 !! C3 !! 130.81
|-
| 49 || C#3 || 138.59
|-
| 50 || D3 || 146.83
|-
| 51 || D#3 || 155.56
|-
| 52 || E3 || 164.81
|-
| 53 || F3 || 174.61
|-
| 54 || F#3 || 185.00
|-
| 55 || G3 || 196.00
|-
| 56 || G#3 || 207.65
|-
| 57 || A3 || 220.00
|-
| 58 || A#3 || 233.08
|-
| 59 || B3 || 246.94
|-
! ''60'' !! ''Middle C4'' !! 261.63
|-
| 61 || C#4 || 277.18
|-
| 62 || D4 || 293.66
|-
| 63 || D#4 || 311.13
|-
| 64 || E4 || 329.63
|-
| 65 || F4 || 349.23
|-
| 66 || F#4 || 369.99
|-
| 67 || G4 || 392.00
|-
| 68 || G#4 || 415.30
|-
| ''69'' || ''A4'' || ''440.00''
|-
| 70 || A#4 || 466.16
|-
| 71 || B4 || 193.88
|-
! 72 !! C5 !! 523.25
|-
| 73 || C#5 || 554.37
|-
| 74 || D5 || 587.33
|-
| 75 || D#5 || 622.25
|-
| 76 || E5 || 659.26
|-
| 77 || F5 || 698.46
|-
| 78 || F#5 || 739.99
|-
| 79 || G5 || 783.99
|-
| 80 || G#5 || 830.61
|-
| 81 || A5 || 880.00
|-
| 82 || A#5 || 932.33
|-
| 83 || B5 || 987.77
|-
! 84 !! C6 !! 1046.5
|-
| 85 || C#6 || 1108.7
|-
| 86 || D6 || 1174.7
|-
| 87 || D#6 || 1244.5
|-
| 88 || E6 || 1318.5
|-
| 89 || F6 || 1396.6
|-
| 90 || F#6 || 1480.0
|-
| 91 || G6 || 1568.0
|-
| 92 || G#6 || 1661.2
|-
| 93 || A6 || 1760.0
|-
| 94 || A#6 || 1864.7
|-
| 95 || B6 || 1975.5
|-
! 96 !! C7 !! 2093.0
|-
| 97 || C#7 || 2217.5
|-
| 98 || D7 || 2349.3
|-
| 99 || D#7 || 2489.0
|-
| 100 || E7 || 2637.0
|-
| 101 || F7 || 2793.8
|-
| 102 || F#7 || 2960.0
|-
| 103 || G7 || 3136.0
|-
| 104 || G#7 || 3322.4
|-
| 105 || A7 || 3520.0
|-
| 106 || A#7 || 3729.3
|-
| 107 || B7 || 3951.1
|-
! 108 !! C8 !! 4186.0
|-
| 109 || C#8 || 4434.9
|-
| 110 || D8 || 4698.6
|-
| 111 || D#8 || 4978.0
|-
| 112 || E8 || 5274.0
|-
| 113 || F8 || 5587.7
|-
| 114 || F#8 || 5919.9
|-
| 115 || G8 || 6271.9
|-
| 116 || G#8 || 6644.9
|-
| 117 || A8 || 7040.0
|-
| 118 || A#8 || 7458.6
|-
| 119 || B8 || 7902.1
|-
! 120 !! C9 !! 8372.0
|-
| 121 || C#9 || 8869.8
|-
| 122 || D9 || 9697.3
|-
| 123 || D#9 || 9956.1
|-
| 124 || E9 || 10548
|-
| 125 || F9 || 11175
|-
| 126 || F#9 || 11840
|-
| 127 || G9 || 12544
|}

''Table is in Scientific Pitch Notation.''

[[Category:Mini Micro]]

@@ Line 1: / Line 1: @@
 <c>noteFreq</c> is a public function that calculates the correct frequency for a given note.  Notes are specified by [https://www.inspiredacoustics.com/en/MIDI_note_numbers_and_center_frequencies MIDI note number], where 60 is middle C, and there are 12 notes per octave.  Thus 61 is middle C#, 62 is D above middle C, and 72 (12 values above 60) is "high C" (one octave above middle C).
-=== Usage ===
+== Usage Notes ==
-Use the result of the `noteFreq` call as the `frequency` parameter to [[Sound.init]] (or assign it to [[Sound.freq]].  Assuming the [[Sound.waveform|waveform]] of the sound is a single cycle, the resulting sound will have the correct pitch for the note value passed to `noteFreq`.
+Use the result of the `noteFreq` call as the <c>frequency</c> parameter to [[Sound.init]] (or assign it to [[Sound.freq]].  Assuming the [[Sound.waveform|waveform]] of the sound is a single cycle, the resulting sound will have the correct pitch for the note value passed to <c>noteFreq</c>.
-=== Example ===
+It may also be used with digitized sounds, particularly when for digitized instruments.  In this case, divide the <c>noteFreq</c> of the desired note by the <c>noteFreq</c> of the note for which the instrument was recorded (typically 60, middle C).  Then use the resulting factor as the <c>pitch</c> parameter to [[Sound.play]].
-This example plays middle C for 1 second.
+== Example ==
 <ms>snd = new Sound
@@ Line 13: / Line 15: @@
 snd.play</ms>
-=== Value Table ===
+The following example loads a digitized instrument (cello), plays it at its original pitch of middle C, and then plays it again as note 67 (middle G).
 The table below shows notes and frequency values for all 127 standard MIDI notes.  However, the <c>noteFreq</c> function also accepts non-integer values, making off-pitch notes as desired.

@@ Line 1: / Line 1: @@
-<c>NoteFreq</c> is a public function that returns a specific frequency from a map containing a list of notes and their respective frequencies.
+<c>noteFreq</c> is a public function that calculates the correct frequency for a given note.  Notes are specified by [https://www.inspiredacoustics.com/en/MIDI_note_numbers_and_center_frequencies MIDI note number], where 60 is middle C, and there are 12 notes per octave.  Thus 61 is middle C#, 62 is D above middle C, and 72 (12 values above 60) is "high C" (one octave above middle C).
 {| class="wikitable"
 |-
-! Value !! Note !! Frequency
+! Note Number !! Musical Note !! Frequency
 |-
 ! 0 !! C<sub>-1</sub> !! 8.1758

← Older revision		Revision as of 06:11, 28 April 2020
Line 1:		Line 1:
−	<c>NoteFreq</c> is a public function that returns a specific frequency from a ~~note table~~.	+	<c>NoteFreq</c> is a public function that returns a specific frequency from a map containing a list of notes and their respective frequencies.

	{\| class="wikitable"		{\| class="wikitable"