background image

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Odessa features two main outputs of the 
synthesized signal: 
odd  partials 

20

 and 

even partials 

21

. It is possible to split the 

harmonic spectrum so that even and odd 
numbered partials are separately present at 
those outputs yet always mixed with the fun-
damental partial. An additional 
fundamen-
tal
 output 

22

 offers a simple signal of the 

fundamental frequency: either a sinusoid or a 
square wave that can be employed for syncing 
other oscillators. A jumper at the back (fig. 2) 
selects one of these two options. 

The two knobs at the top (

23

 and 

24

) to-

gether with their associated CV inputs 

 

25

 and 

26

 

) define banks of partials which 

address  the distribution of spectral compo-
nents between the 
odd partials and even 
partials
 outputs. When the bank length 
parameter is set to 0, both outputs offer the 
same full signal. If set to +1, each output of-
fers the same fundamental (1

st

 partial) plus 

its even (2

nd

, 4

th

, 6

th

, etc) and odd (3

rd

, 5

th

, 7

th

etc) overtones, respectively. With different 
lengths, odd and even sequences of partials 
are split between the two jacks. Addition-
ally, all partials except the fundamental 
may be frequency-scaled by an integer fac-
tor: from simple fractions (1:2, 1:3 down to 
1:8) to multiples (2, 3… up to 8), selected by 
harmonic  factor. The direction of bank 
length
 (either turned left or right) selects 
which of the two outputs will receive the 
modified frequencies. 

Odessa is capable of delivering 1, 3, or 5 
stacked voices of its synthesized signal, se-
lectable by the 
voices button 

27

. When a 

single voice is selected (button lit green), 
the  
spread knob 

28

 and its corresponding 

CV jack below 

29

 have no effect. With 3 or 5 

voices (button lit orange or red), the spread 

front panel 

overview

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25

18

3

28

31

6

1

4

30

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Summary of Contents for ODESSA

Page 1: ...ODESSA variable spectrum har monic cluster oscillator Model of 1975 operator s manual rev 1975 1 0...

Page 2: ...cause serious damage to other components of your system because it will short circuit the 12V and 5V power lines Always pay particularly close attention to the proper orientation of your ribbon cable...

Page 3: ...hes of the comb are from zero no notches at all through moderate just a few notches to a maximum density of 256 where each second partial is fil tered out assuming minimum warp setting This parameter...

Page 4: ...is set to 0 both outputs offer the same full signal If set to 1 each output of fers the same fundamental 1st partial plus its even 2nd 4th 6th etc and odd 3rd 5th 7th etc overtones respectively With...

Page 5: ...5 fig 1 the interface 13 10 14 15 12 16 9 26 23 24 32 8 27 20 11 22 7 21 17...

Page 6: ...4kHz 6 94kHz to 12 5kHz above 12 5kHz Certainly with only 12 bands it offers only a crude overview of what is going on note the color temperature is mapped from dB scale Although the LEDs turn off bel...

Page 7: ...r when comparing the loudness of different waves from a traditional VCO The tilt parameter determines how quickly the spectrum decays how quickly the ampli 7 The spectrum of a saw wave contains all ov...

Page 8: ...ers to the relative frequencies of partials so it scales with pitch Depending on the den sity parameter there may be zero to 256 notches hence at minimum the spectrum is smooth and at maximum each sec...

Page 9: ...ler the frequencies increase slower than the partial numbers which yields a dense rough inharmonic cluster that resembles noise Large negative values of tension may even result in the spectrum folding...

Page 10: ...nd is always present on both out puts with its original frequency unaffected For example with length set to 3 the odd partials output contains the fundamental mixed with 5th 6th 7th 11th 12th 13th etc...

Page 11: ...o engage this control press and hold the voices button for 1 second until it starts to blink At this point a high state of each binary line for example a button acti vated on Lipsk turns one group on...

Page 12: ...ITH A XAOC PRODUCT AFTER THE WARRANTY PERIOD IS OVER NO NEED TO WORRY AS WE RE STILL HAPPY TO HELP THIS APPLIES TO ANY DEVICE WHEREVER AND WHENEVER ORIGINALLY ACQUIRED HOWEVER IN SPECIFIC CASES WE RES...

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