Scala 1.4 release

Scala version 1.4 for DOS is now online, the location is still:

ftp://ella.mills.edu/ccm/tuning/software/pc/scala/scala.zip

Scala is a very complete freeware editor/librarian/analysis tool for
tunings. It allows scales to be created, manipulated and combined in
many different ways. A large library of scales is available for it. It
can tune various different synthesizers and samplers via standard
MIDI-files. To install, unpack scala.zip in an empty directory and
read the readme file.

Version 1.4 is an update with about 10% more functionality than 1.3.
Some of its new features:

- The EXAMPLE command to create xenharmonic MIDI files from input text
files has been made much more powerful. One can now use more than one
instrument, define tracks, insert controller messages, use note names
instead of only note numbers, specify relative time, use more than one
scale, use a default scale and specify any quarter note division.
- Several new note name systems were added for the command SET NOTATION.
- Erv Wilson's operations "Purvi modulation" and "Marva permutation" are
implemented (MODULATE/GENERATOR and PERMUTE/GENERATOR).
- Roots of "polynomials" with arbitrary exponents can now be calculated.
This is needed if one wants to calculate non-octave equal temperaments with
certain beat rate properties.
- Text files produced by JICalc with scales can be converted to Scala scale
files.
- Farey parent and child ratios can be calculated.
- Harmonic scale approximations can be searched for a scale (FIT/HARMONIC).
- Beat rates can now be shown with a built-in command (SHOW BEATS).
- The COMPARE command has been enhanced.
- The help file has been converted to HTML format so it can be read with a
browser, and printed out in better style. It is roughly 64 pages A4.
- An HTML version of the mode list was added.

Thanks to Kami Rousseau for suggestions and feedback.

A library of 2000 scale files of all kinds in Scala format can be
downloaded from
ftp://byrd.math.uga.edu/pub/music/dx7/scales/scales.zip
ftp://ella.mills/edu/ccm/tuning/software/scales/scales.zip

Below is the list of commands that are new in this version:

Add/Add
Add/Mediant
Add/Summation

Catalogue/Scale

Delete/Floats
Delete/Interval

Exchange/Interval

Extend/Children
Extend/Parents

Fit/Harmonic

Import/Jicalc

Input/Line
Input/Interval/Line

Iterate/Memory

Mode/Complement

Modulate
Modulate/Generator
Modulate/Interval

Permute/Generator

Polynomial/Solve/Power

Product/Mediant

Pythagorean/Equalbeats
Pythagorean/Givenbeats

Ratio/Children
Ratio/Parents
Ratio/Children/Parents

Replace/Equal
Replace/Smallest

Sample/Complement

Show Beats

Show/Total Interval

Show Temperings

Subtract/Difference
Subtract/Subtract

Vary/Interval

Manuel Op de Coul coul@ezh.nl


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