Noise Engineering Basimilus Iteritas Alter Manual Download

Page: 1 / 8

Type

LFSR VCO

Size

10HP Eurorack

Depth

1.5 Inches

Power

2x8 Eurorack

+12 mA 150 / 80 (if 5v on)
-12 mA

5 / 5

+5 mA

0 / 90 (optional)

Noise Engineering

Basimilus Iteritas Alter

Analog-inspired parameterized drum synthesizer

Basimilus Iteritas Alter is a parameterized digital drum synthesizer with its
roots in the analog world. At its heart, it is a simple six-oscillator additive
synthesizer with adjustable waveform, harmonic spread and decay. Adjustable
attack including a noise oscillator is also included. ese are summed and fed
into an in nifolder for crunch and variety.

Basimilus Iteritas Alter is an improved version of Basimilus Iteritas. It is 2HP
smaller, includes CV of switches, adds an third mode, and pitch range and
knobs know oﬀset rather than attenuate.

Basimilus

Iteritas

Alter

Pitch

Spread

Harm

Fold

Trig

Decay

Attack

S/L/M

B/A/T

Out

Morph

Pitch

Morph

Fold

HIT

Attack

Decay

Harmonic

Skin
Liquid
Metal

Bass
Alto
Treble

Summary of Contents for Basimilus Iteritas Alter

Page 1: ...ditive synthesizer with adjustable waveform harmonic spread and decay Adjustable attack including a noise oscillator is also included ese are summed and fed into an in nifolder for crunch and variety Basimilus Iteritas Alter is an improved version of Basimilus Iteritas It is 2HP smaller includes CV of switches adds an third mode and pitch range and knobs know oﬀset rather than attenuate Basimilus ...

Page 2: ...g bass drums As the parameter is increased more harmonics blend in lasting longer periods of time e knob oﬀsets the CV input Fully le the tone produced is a single harmonic tone From there to the rst quarter a second tone fades in e remaining turning extends rst the decays then the amplitudes of the other four harmonics e fold knob and CV control the in nifold section For the rst 3 4 of the range ...

Page 3: ...er Basimilus Iteritas Alter Pitch Spread Spread Harm Fold Trig Decay Attack S L M B A T Out Morph Pitch Morph Fold HIT Attack Decay Harmonic Skin Liquid Metal Bass Alto Treble e mode switch selects between the three modes Skin is a six operator additive synth for tonal sounds Liquid is a six operator additive synth with a pitch envelope to add extra kick Metal is a six operator FM synth for produc...

Page 4: ...trolled by the ATTACK DECAY and HARM controls e noise envelope is also aﬀected by the ATTACK knob e oscillators are summed and then the ATTACK envelope is applied to the sum is then feeds into a threshold re ection folder with amplitude compensation and the ability to dynamically add more fold stages At very high settings the fold will add in an exponentially decaying pulse at the local minima and...

Page 5: ... Basimilus Iteritas Alter Analog inspired parameterized drum synthesizer Voltage Supply Basimilus Iteritas Alter comes pre calibrated but over time it may change and need a touch up Pitch calibration is controlled by an linear resistor divider network To calibrate the tuning attach a volt meter preferably 4 digit to the test points TPCV and TPGND on the rear panel and adjust the trim pot e voltage...

Page 6: ...e CPU daughter board was developed to be used in a wide range of future modules It uses the XMOS XS1 processor which is a great blend of exible powerful and aﬀordable Basimilus Iteritas was written in XC and C using the XMOS IDE e algorithm was prototyped in C and C as a windows application to quickly iterate on the parametrization e internal signal chain is 8 24 xed point which is quantized to 16...

Page 7: ... number of design improvements had become obvious As part of ongoing engineering improvements we needed to change the CPU board that was used on the original Basimilus and this became an opportunity to do a more in depth revamp e single biggest change was the addition of Liquid mode Pitch envelopes are a pretty obvious thing to do with something like the Basimilus and a lot of people do it externa...

Page 8: ... Tyler Thompson Alex Anderson 8 Basimilus Iteritas Alter Pitch Spread Spread Harm Fold Trig Decay Attack S L M B A T Out Morph Pitch Morph Fold HIT Attack Decay Harmonic Skin Liquid Metal Bass Alto Treble Noise Engineering Basimilus Iteritas Alter Analog inspired parameterized drum synthesizer ...

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Noise Engineering Basimilus Iteritas Alter, Manual

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