Doepfer Schaltwerk (device no longer available) - Manual (Page 8)

Doepfer Musikelektronik GmbH - SCHALTWERK Users Manual - Aug. 1997 - Page 8
What is the Schaltwerk
•
The Schaltwerk is a complex sequential event
generator for producing not only MIDI data but also
Trigger, Sync and CV signals for analog systems.
•
The Schaltwerk does not contain any sound generator
but is simply a signal generator for MIDI receiving
devices (MIDI equipment), for CV/Gate receiving
devices, and a tempo generator for devices equipped
with a SYNC input.
•
The Schaltwerk offers effectively most of the aspects a
MIDI software sequencer presents, but due to the
strongly reduced variety of functions a direct
comparison is not possible. In comparison with
software sequencers, the Schaltwerk takes advantage of
this reduction by offering much more dedicated
controls for a direct access to all operations and the
possibility to alter almost any parameter in real time.
•
At best, the Schaltwerk brings to the mind the Drum
Page of the Software sequencers
6.1 Main structural sections:
General
✄ A fairly good knowledge of MIDI is used here. To
keep control and not get lost, we recommend you
to go through some specialized literature on the
subject, otherwise you will not be able to get the
most out of MIDI and particularly of your
Schaltwerk.
A small selection Is listed in the Literature
chapter.
✄ For Basic knowledge, please refer to chapter 10,
MIDI 1.0 specifications: from page 10-33
6.2 Step
•
This is the smallest organizational unit in the
Schaltwerk and defines a MIDI event.
6.2.1 Step/Event Types
•
Generally it will be a Note-Event. The Schaltwerk
offers nevertheless the possibility to generate almost
any type of meaningful MIDI message.
For example, it can also be:
−
Controller Events
−
Polyphonic-Aftertouch
−
Monophonic-Aftertouch
−
Program-Changes
−
Pitch-Bend
•
Such events are defined as Event Type, with their
associated MIDI channel value, and one or two
associated data values.
−
In the example of a Note-Event, there will be the
definition of the pitch (note value), and the definition
of the note level (note velocity).
−
For controllers, there will be a Controller Number
(controller value).
−
The Monophonic-Aftertouch is defined as a value
−
The Polyphonic-Aftertouch is built around a note
value and its associated pressure value.
−
Program-Change is a program select number.
−
The Pitch-Bend is made of two linked values;
practically, one of them is always set to zero.
6.2.2 Step/Duration
•
Apart from defining in which order the MIDI events
are organized, the steps are controlling the duration of
the event. (It is important to note that an event is
actually 2 events tied, namely SOUND-ON at the
beginning of the step, and SOUND-OFF at the end of
the step)