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Example 2 : Defining Temporal Relations Between TemporalBoxes

Applying the Values of a TemporalBox to Other TemporalBoxes

The values of the Self Input Box can be used for defining temporal relations with other TemporalBoxes, via connections between functional inputs and outputs.

Building a Sequence of TemporalBoxes

The chord of TemporalBox #1 is a reservoir for isolated notes that will occur successively in the maquette.

1. We have programmed the TemporalBoxes so that the initial chord provides one random note to each of TemporalBoxes #2; 3; and 4.

2. The offset of each TemporalBox is determined by the offset and **duration ** of the preceding box , so that boxes follow each other.

Inside TemporalBox #1

The internal program of the first TemporalBox determines some characteristics of the other TemporalBox.

Inside TemporalBox #1 : using the “pattern-chord”’s data.

• The initial chord lasts 3 seconds. It is connected to the Tempout of TemporalBox #1, and represents its musical value.
• Permut-random performs a random permutation of the chord’s pitches. The three first pitches of this permutation are returned by nth-first to the first output of TemporalBox #1.
• On the other hand, the offset of the TemporalBox returned by the Self Input Box, is added with the chord’s duration .
• The result is returned to the second output of the TemporalBox.

TemporalBoxes Interaction

The random pitches - output #1 - are returned to all the other TemporalBoxes. The ending time of the box - output #2 - is returned to the next TemporalBox.

Inside TemporalBox #2

1. The three random pitches are returned by the first input of TemporalBox #2 to the first function.

First picks the first note and returns it to the note box. This note is also given a duration.

1. The note is connected to the Tempout and becomes the musical value of the TemporalBox.

2. The temporal position of TemporalBox #1, is returned to the “offset” input of slots, which defines the offset of TemporalBox #2.

3. The offset of TemporalBox #2 is added to the duration of the note, and the result is returned to the output of TemporalBox #2.

4. The value of the output ending of the box - is returned to the next TemporalBox, which contains the same program.

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About Last TemporalBox

Note that the last TemporalBox has nor output, neither om+ function, but a sequence function. The box has nothing to return to another box. The sequence function allows to evaluate slots before evaluating the TemporalBox, so that its offset is correct.

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References :

Contents :

• OpenMusic Documentation
• OM User Manual
  • Introduction
  • System Configuration and Installation
  • Going Through an OM Session
  • The OM Environment
  • Visual Programming I
  • Visual Programming II
  • Basic Tools
  • Score Objects
  • Maquettes
    • Creating a Maquette
    • TemporalBoxes
    • The Maquette Editor
    • Maquette Programming
      • Functional Components
      • Evaluation
      • The Synthesis Patch
      • TempBoxes Programming
        • The Self Input Box - Tempin
        • Programming with the Tempin
        • Temporal Relations
    • Maquettes in Patches
  • Sheet
  • MIDI
  • Audio
  • SDIF
  • Lisp Programming
  • Reactive mode
  • Errors and Problems
• OpenMusic QuickStart

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