Fred’s Lab TOORO, User And Service Manual

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2 REQUIREMENTS
1 Presentation
The T¨ o¨ or¨ o is a 6-voice polyphonic, 4-part multi-timbral, hybrid ”digilog” MIDI sound
module.
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Polyphonic means it can play several notes at the same time.
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Multi-timbral means it can play several instruments at the same time.
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Digilog means the sound is created using audio algorithms and then converted into
the analog domain for further processing.
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MIDI sound module means it needs a MIDI controller to generate sound.
1.1 What is MIDI?
MIDI stands for Musical Instrument Digital Interface .
It is a technical standard allowing music instruments to communicate and be used in con-
certo. It defines a protocol, messages, a digital interface and cables / connectors formats.
A MIDI connection carries notes, controller changes, clocks and various configuration data.
The T¨ o¨ or¨ o is a hybrid instrument. It initially computes the sounds using mathematical
models and algorithms, executed by a powerful ARM micro-processor, which are then
converted into analog domain and shaped by an
FL A847 low-pass filter.
1.2 Remarks on polyphony
The 6-voice polyphony is the absolute maximal number of notes that can be played at
the same time. If you try to play more notes simultaneously, the older voices will be muted
and reused for newer notes. This mechanism is called ”voice-stealing” and will result in
audio artifacts or parts of your music not being played when triggered. In order to avoid
it, keep in mind the module limitations while composing your music.
2 Requirements
To play with the T¨ o¨ or¨ o you need:
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An audio system with line-level inputs
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A MIDI controller , a sequencer or a computer
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A USB power source
2.1 An audio system
can be a HiFi stereo system, a power mixing desk connected to speakers or a pair of active
speakers.
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