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Window 135

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Lambdoma Scale

Screen Shot

Lambdoma Scale

Lambdoma Scale

Make a custom size lambdoma or edit the scale directly...

Vary the Upper and Lower numbers to set the starting ratio for the Lambdoma region.

Vary the To numbers to vary the width and height.

You can use the Step parameter to make ones that play e.g. alternate ratios in the Lambdoma in each row (or column or both) - set it to 2 for alternate ratios, 3 for every three ratios and so on.

You can also edit any of the ratios individually. Just edit the number in the text area and the Lambdoma will instantly update to play the new pitch.

Note - when you vary the width, start ratio or steps then the numbers are re-generated and any editing you do is lost.

So - first set it to the desired height, width etc. Then do your editing. Save as a project for future reference or you can save all your settings for just this window using the O organise windows icon at top right which brings up the Organise Windows (F2 or Ctrl + 51)

After you vary the settings here, show the Lambdoma keyboard (the coloured square or diamond icon) - Ctrl + D or Ctrl + 136 - to see the results, and play it.

Flip Horizontally...

Flip the Lambdoma horizontally


Flip the Lambdoma vertically

Swap rows cols

Swap rows and columns for the Lambdoma

Swap rows cols

Description to display for this scale or save to the SCALA scl file...

The description can also start with MAKE SCALE to make special scales...

See Scale Notations#Special notations

You can also use #chord as the description to make a scale that matches the chord, examples:

  1. chord c7 will make

400.0 700.0 1000.0 2/1


  1. chord ch7 will make

5/4 3/2 7/4 2/1

For details see Microtonal chords

Upper number

Upper number (denumerator) for the ratio that the Lambdoma region starts at

When using this from the Lambdoma Scale window:

When you adjust this, the "to" field for how far to go with the upper number is automatically changed to keep the same height (or width if set to swap rows and columns).

Adjust the "to" field to change the height.

Upper number - SPIN

Adjust the upper number (denumerator)


How far to go with the upper number

to - SPIN

Adjust the limit for the upper number


What step to use between successive upper numbers

Step - SPIN

Adjust the upper number step

Lower number

Lower number (denominator) for the start ratio...

When using this from the Lambdoma Scale window:

When you adjust this, the "to" field for how far to go with the lower number is automatically changed to keep the same width (or height if set to swap rows and columns).

Adjust the "to" field to change the width.

Lower number - SPIN

Adjust the lower number (denominator)


How far to go with the lower number

to - SPIN

Adjust the limit for the lower number


What step to use between successive lower numbers

Step - SPIN

Adjust the lower number step

Make now

Make this Lambdoma scale now...

It also gets remade automatically whenever you adjust any of the numbers here

Keyboard Picture...

Show Lambdoma notes as you play, & play them using mouse or PC Keyboard...


You can use the arrow keys to move a sustained chord around after you have played it.

Show the Bs | Notes Played window to see your notes in a score like form as dots on staffs.

Click on the music keyboard icons - to show the notes on a music keyboard as you play. You can also play the notes by clicking on the music keyboard picture.

The menu under the Tune Smithy icon at top left of the Lambdoma Keyboard picture has a quick link to the options for this keyboard.


Change layout, what to show, set moveable keyboard regions, shortcuts etc...

How to show this window - use To Show - Options in the main window for the Lambdoma task, keyboard shortcut Ctrl + 142

Choose what to show in the drop list at the top. To configure it in detail use the Configure what to Show, sustain and Mouse Ctrlrs button.

The moveable PC keyboard region is useful when you play from the PC keyboard, when you have the keyboard picture set up to show a larger region than the one spanned by your keyboard. You will be able to use the arrow keys and other shortcuts to move the playing region around within the on-screen keyboard.

The moveable Lambdoma keyboard region is useful similarly, if you have one of the Lambdoma keyboards and have the keyboard set up to show a larger region than the one spanned by your keyboard.

This window also has other options that affect the display of the on-screen keyboard.

There's also an option to make the parts depend on the row or column of the keyboard - this can be used to play a different instrument for each row, or column, of the on-screen keybooard.


The scale intervals from the 1/1 in any of the recognised notations....

Change how these are shown from File | Scale Notation and Number Options (Ctrl + 18)

You can show them as ratios or cents, or in Hertz, also a special equal temperament notation: ex. 4//19 for the fourth scale step in nineteen equal, and various other options.

These notations can also be used to enter any of the values yourself. You don't need to enter them in the same notation in which the scale is displayed. For instance to enter a scale in Hertz do it as e.g.:

220 Hz 440 Hz 660 Hz 880 Hz

where you need to include the word Hz like that after each number to tell FTS that the numbers are in hertz.

Or you can put a z at the start of the line to specify that all the numbers are in Hertz:

z 300 350 450 600

There are many other options you can use here too, E.g. to make a geometric scale, sine warped scale, ... For details see Scale Notations

You can edit the scale here, or via Bs | Scale, or Bs | Scale & Arp. as Text

You can paste a SCALA scale into this field. It doesn't matter if the notes are on separate lines - the program will put them all on a single line for you for use in the main window. Also comment lines are ignored.

You can save the scale you make here from the menu Scale & Arp | Save Scale As... and get back to it from Open Scale in the same drop menu. When the scale is saved, the values are automatically converted to ratios or cents, if you have it set to one of the other more exotic notations in FTS.

You may find the Tune Smithy calculator handy when constructing new scales. You get to that from File | Calculator (Ctrl + 81)

Help = F1

Click for help for this window. Or F1. Other opts: Shift , Alt, Ctrl + click...

F1 or click shows the help for the current window in your web browser.

Some windows may have no help yet in which case the help icon is shown crossed out with a red line.

Shift + F1 or Shift + Click brings up the tool tips extra help window (this window) to show any extra help for a tool tip.

You can tell if a tool tip has extra help if it ends ... like this one.

Ctrl + F1 or Ctrl + click takes you to the list of keyboard shortcuts for Tune Smithy.

Alt + F1 or Alt + click (alternatively Caps lock physically held down + F1 or Click) takes you to the on-line page at the web site about the current main window task - which gives a short introduction to it for newbies to the program. If there is no on-line page specific to a task, takes you to the main tune smithy page on the web site.

Since the help for Tune Smithy is currently a bit out of date and needs to be redone completely for the new 3.0 release, then you may find the on-line page for some of the newer tasks particularly useful.

Organise Windows = F2

Reset, or Save settings for this window. RIGHT CLICK for all windows menu...

Shows the Organise windows window - which you can use to reset all the parameters for the current window.

You can also use it to save the settings for just this window, or open previously saved parameters for just this window.

Also has a drop list of all the windows and their shortcuts, and related options - some to do with the menu listing, and some to do with window resizing and minimising.

Scales Dialog Star

Tip of the day - Scales category - right click for neighbouring windows...

Left click for a tip of the day in this category.

Right click to see a menu of neighbouring windows.

The neighbours are the ones you most often move to after this one or within a minute of this one, arranged by popularity.

So as you continue to use FTS, it will learn your habits, and the neighbouring windows listed here, should be the ones you most often visit after this one.

Save Scale As...

Save as Scale (SCALA format)

Neighbours, and Previous - Up - Next

Parts (Ctrl + 9)

N.B. This list of neighbours may change when these pages are updated.

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