Temper
Audio
Layout & Display
Advanced
Credits
Learning
Tuning\Layout Quick Links
Choose Preset
Reference Pitch
C4 (Hz)
A4 (Hz)
Octave Offset
-2
-1
0
1
2
3
4
5
Instrument
Piano
Harpsichord
Rhodes
Harp
Choir
Strings
Sawtooth
Gayageum
Qanun
Organ
Organ + Leslie
Marimba
Music Box
WMRİ 3-Limit (4 Harmonics) ST
WMRİ 5-Limit (6 Harmonics) ST
WMRİ 5-Limit (6 Harmonics) Pk
WMRİ 7-Limit (10 Harmonics) ST
WMRİ 11-Limit (12 Harmonics) ST
WMRİ 13-Limit (16 Harmonics) ST
WMRİ n-Limit ("sawtooth wave") ST
WMRİ Byzantine (9 Harmonics) ST
WMRİ Stretch inharmonic 6 = harmonic 7
WMRİ Compress inharmonic 7 = harmonic 6
Control MIDI devices (WebMIDI Output)
Toggle Mode (Click/tap to hold notes)
Glissando Mode (Slide between notes)
Enable Tilt Volume Control
Front-to-Back Tilt (X-axis)
Left-to-Right Tilt (Z-axis)
Calibrate Current Tilt as Center
Layout Settings
Right Facing Steps
Up/Right Facing Steps
Hex Size (pixels)
Rotation (degrees)
Infinite Rows
Display Settings
Show Full Chord Names
Use Numbers with Root Note:
Note Rainbow Mode
Blank Keys
Color Vision Mode
Normal Vision
Protanopia
Deuteranopia
Tritanopia
Notation System
Standard ( ) [E27A E27B E262 E260]
Sagittal ( ) [E30A E30B E318 E319]
Mixed Sagittal ( ) [E30A E30B E262 E260]
Stein/Zimmermann ( ) [E282 E284 E262 E260]
Stein/Half-Flat ( ) [E282 F612 E262 E260]
Color Saturation
0%
50%
100%
Invert Up/Down Colors
Note Configuration
Note Names
C C# D D# E F F# G G# A A# B
Note Colors (hex)
55ff55 ff5555 55ff55 ff5555 55ff55 55ff55 ff5555 55ff55 ff5555 55ff55 ff5555 55ff55
Preview
Steps To Equivalence Interval
Fundamental Color
Key Image
None
Hexagon
Note Text Size
Show Intervals
Show All Played Notes
Scale (
Scala format
)
! 31-ed2 Bosanquet Wilson Terpstra.scl ! 31-tone equal tempered scale consisting of 31 sonically equal divisions per frequency halving/doubling in standard meantone notation, mapped on a Bosanquet / Wilson / Terpstra layout. ! Temper | 31-ed2 Bosanquet / Wilson / Terpstra 31 ! 38.70968 77.41935 116.12903 154.83871 193.54839 232.25806 270.96774 309.67742 348.38710 387.09677 425.80645 464.51613 503.22581 541.93548 580.64516 619.35484 658.06452 696.77419 735.48387 774.19355 812.90323 851.61290 890.32258 929.03226 967.74194 1006.45161 1045.16129 1083.87097 1122.58065 1161.29032 1200.00000
Modern version created and maintained by
Peter Keay
. Feature development by Leland Dobson. Hex layout by
Siemen Terpstra
in the late 80s. Early web development by
James Fenn
and
Brandon Lewis
,
Bo Constantinsen
and
Chengu Wang
. Credits to Scott Thompson and
Dr Ozan Yarman
for contributing samples. Current version 2.0 (Jan. 2025), released as Free/Libre and Open Source Software under
GPL-3.0
.
Learning Functions
Select Root Note
Clear Learning Mode
Chord Learning
Scale Learning
Chords
Scales
⏹️
⚙️
