Xaoc Devices ODESSA Operator's Manual

Xaoc Devices ODESSA Operator's Manual

Variable spectrum harmonic cluster oscillator
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variable
spectrum har-
monic cluster
oscillator
Model of 1975
operator's manual
rev. 1975/1.0

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Summary of Contents for Xaoc Devices ODESSA

  • Page 1 variable spectrum har- monic cluster oscillator Model of 1975 operator’s manual rev. 1975/1.0...
  • Page 2: Module Overview

    Odessa offers a set of controls for shaping har- monic spectra based on number of partials MODULE OVERVIEW and their distribution in frequency and ampli- tude;...
  • Page 3 At the maximum posi- tion, the amplitude spectrum is very flat (if no soidal partials generated by Odessa adhere to a harmonic pattern wherein frequencies are additional comb response is engaged), which results in a buzzy, narrow pulse waveform.
  • Page 4: Front Panel Overview

    (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 . When a...
  • Page 5 fig. 1 the interface...
  • Page 6: Spectrum Analyzer

    PARAMETERS sociated slider offers a deep through-ze- ro frequency modulation of the signal. The The various parameters offered by Odessa modulator input is AC coupled (cut below have been selected by observing how spec- 20Hz) and accepts full-bandwidth signals up tra of different sounds vary, and how these to 10Vpp.
  • Page 7 Partial number fig. 3 sawtooth and pulse waveforms and their respective harmonic spectra (truncated for clarity). So as to avoid aliasing, Odessa does not pro- er than just a single sinusoid (or a few). For duce partials whose frequencies would exceed example, with a flat spectrum, the difference the maximum frequency of 21kHz.
  • Page 8 Amplitude Amplitude Partial number Partial number Amplitude Amplitude -0.5 -0.5 Time Time fig. 4a fig. 4b sawtooth wave after limiting the spectrum sawtooth wave after limiting the spectrum to the initial 10 partials to the initial 5 partials tudes of partials decrease with frequency). This warped Sinc function in the frequency do- is achieved by changing the exponent γ...
  • Page 9 Amplitude Amplitude Amplitude Partial number Partial number Partial number fig. 5 (fig. 8). With tension below 0, the distances comparison of tilted spectra in extreme and middle positions of the tilt knob between upper partials become smaller and smaller (the frequencies increase slower than Warping the comb response results in a the partial numbers) which yields a dense, non-uniform distribution of the notches in...
  • Page 10 , 11 , 12 , 13 ... etc, by Odessa may be organized into harmon- while the even partials output contains ic banks and split between the odd par- the fundamental mixed with 2 tials and even partials outputs. bank , 10 …...
  • Page 11 (for example, a button acti- ule which offers paraphonic generation of vated on Lipsk) turns one group on. The low- 3-voice and 5-voice chords in Odessa. Please est bit (B ) affects the first group (eg. 2 refer to the manual of Hel for details.
  • Page 12: Warranty Terms

    FEATURES WARRANTY TERMS Powerful additive XAOC DEVICES WARRANTS THIS PRODUCT TO BE FREE OF DEFECTS IN MATERIALS OR WORKMANSHIP, synthesis engine AND TO CONFORM WITH THE SPECIFICATIONS AT THE TIME OF SHIPMENT FOR A PERIOD OF ONE YEAR FROM THE DATE OF PURCHASE. DURING THAT PERIOD ANY MALFUNCTIONING OR DAMAGED UNITS with up to 2560 WILL BE REPAIRED, SERVICED, AND CALIBRATED ON A RETURN-TO-FACTORY BASIS.

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