Glossary
136
Kyra Manual
Glossary
Aliasing
A type of distortion specific to digital audio systems when
a sound contains components that exceed half the sample
rate (also known as the 'Nyquist Rate'). The result is a
nasty, metallic noise that varies unpleasantly with pitch.
Regardless of any marketing claims otherwise, it is not
possible to remove aliasing once it has occurred. Kyra uses
several techniques to mitigate aliasing, the main one being
the use of massive oversampling.
Antiphase LFO
A special setting for a Kyra LFO such that the LFO's output
is inverted (180 degrees out of phase) before it is applied
to the specified modulation target of the second voice of a
Dual Mode note.
Arpeggiator
A phrase-playing unit that allows sequential playing of
notes played as a block chord on a keyboard.
ASIO
Audio Stream Input/Output. An audio interface driver
protocol for Windows audio specified by Steinberg. Allows
low-latency direct access to audio hardware.
Attack
The first of the four segments in an ADSR-style envelope
generator. Faster attacks are associated with more percus-
sive sounds and slower attacks with gentler pads and
string type sounds. The attack segment starts when a key
is pressed. If a note is retriggered, the attack phase will
start at the existing level of the note rather than at zero.
Automation
The technique of controlling parameters using an external
controller, typically a sequencer. On Kyra, this can be done
with continuous controllers via the Mod Matrix or by re-
cording Systems Exclusive messages sent by the physical
controls.
Balanced
A balanced cable carries a single signal along two conduc-
tors each with opposite polarity. This allows the receiver
to remove most of the noise induced by the cable by sub-
tracting the signal from one conductor from the other.
Kyra features balanced line outputs and you should use
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