iv [inputfile ...] [> outputfile.iv]
**semits), pitch-class (
**pc), normal form (
**nf), prime form (
**pf), or Fortean set name (
**pcset). An interval-class vector is a six-element numerical list that indicates the abundance of various interval-classes (from 1 semitone to 6 semitones) for some pitch-class set. See REFERENCES below.
When provided with
treats each input record as a set of pitches.
Unisons and other pitch-class duplications have no effect on the output.
Rests within a set of pitches are ignored;
where an input record consists solely of one or more
rests, a null-token is output.
command is able to translate any of the representations listed below.
For descriptions of the various input representations
**iv) refer to Section 2
of this reference manual.
It is recommended that output files produced using the iv command should be given names with the distinguishing `.iv' extension.
interval-class vector representation
normal form representation
Fortean pitch-class set name
prime form representation
equal-tempered semitones with respect to middle C=0 (e.g. 12 = C5)
Options are specified in the command line.
-h displays a help screen summarizing the command syntax
opus24. The input may be pitches, pitch-classes, normal forms, Fortean set names, etc.
iv opus24 > opus24.iv
John Rahn, Basic Atonal Theory. New York: Longman Inc., 1980.
Straus, J. Introduction to Post-Tonal Theory. Englewood Cliffs, N.J.: Prentice Hall, 1990.