
THOR POLYSONIC SYNTHESIZER
205
D There are three open Oscillator slots, a Mixer, two open Filter slots, a
Shaper, three Envelope generators, an LFO and an Amplifier in the Voice
section.
The open Oscillator and Filter slots allow you to select between different types of
oscillators and filters.
D The Global section contains a second LFO, a Global Envelope, a third
open Filter slot and Chorus and Delay effects.
Basic connections - a tutorial
There are certain pre-defined connections available between the Oscillator 1-3 slots
and the Mixer, Filter 1/Shaper, Filter 2 and Amp sections. On the panel itself, lines
with arrows are shown to indicate the standard signal paths.
✪ Note that you can also connect sections using the Modulation bus sec-
tion (see “Modulation bus routing section”). You are not in any way lim-
ited to the pre-defined routings, but they do provide a quick and
convenient way to connect the basic synth “building blocks” together.
In the following tutorial we will create a standard setup using two oscillators and two
filters to demonstrate Thor basics and the (standard) signal path:
1. Select “Initialize Patch” from the Edit menu.
The Init patch is a basic setup with an Analog oscillator in Oscillator slot 1 and a
Ladder LP filter in Filter slot 1 loaded. A connection between Oscillator 1, Filter 1
and the Amp section is already activated, so you get a sound when you play.
Below the Oscillator 1 slot in the upper left corner are two more slots, currently
empty. These are the Oscillator 2 and 3 slots, respectively. The three Oscillator slots
are basically identical in that they can each be loaded with one of 6 oscillator types.
2. Click the arrow pop-up in the upper left corner of the Oscillator 2 slot, and
select a second oscillator from the pop-up that appears.
The following oscillator types are available; Analog, Wavetable, Phase Modulation,
FM Pair, Multi and Noise. For a description of the various oscillator types see page
206.
Selecting oscillator type.
With a basic connection setup, the Oscillator outputs are internally connected to the
“Mix” section. To pass the output signal onwards in the signal chain, you first have to
activate a connection. This is done using the two vertical rows of routing buttons la-
belled 1, 2 and 3 to the right of the Oscillator section.
D The upper row of routing buttons determine which of the Oscillators 1 to
3 are routed to Filter 1, and the lower row which of the Oscillators 1 to 3
are routed to Filter 2.
All three oscillators can be simultaneously routed to both filters, serially or in paral-
lel (or any combination of these variations). This is explained later in this tutorial.
By activating one or more of these buttons means that the oscillator (1 to 3) is routed
to the corresponding Filter. Currently, Oscillator 1 is connected to Filter 1 slot (which
is pre-loaded with a Ladder LP filter).
This is indicated by the “1” routing button being lit. The Filter 2 slot is currently not ac-
tive, which is indicated by a blank panel.
3. Click the “2” button to the left of the Filter 1 section so that it lights up to ac-
tivate a connection for Oscillator 2.
Now if you play a few notes you should hear both Oscillator 1 and Oscillator 2, via
the Filter 1 section.
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