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;-------------------------------------------------------------------------
; Drone Instrument/Sruti Box
; by Dave Seidel <mysterybear.net/>
; with contributions from joachim heintz
; and Andres Cabrera.
;
; http://mysterybear.net/article/51/drone-instrumentsruti-box-new-version
;
; Written with Csound 5.12.1 (http://www.csounds.com)
; and QuteCsound 0.6.0 (http://qutecsound.sourceforge.net/).
;
; To use, open in QuteCsound, make sure the Widgets window
; is open, and click the Start button.  Then use On/Off
; buttons to play or stop the drones.
;
; version 2.8 (xx-Oct-2010)
;	- option to record session as WAV file
;	- use vco2 for higher-quality saw, square, and (new) triangle waves;
;	  still using poscil3 for other waves (factored sound-producing code
;	  into a new UDO called "ogen")
; version 2.7 (09-Oct-2010)
;	- always play primary oscillator for each tone, independent of
;	  harmonic arpeggio or binaural beat output
;	- made all pitch controls (Ratio, 8ve, and Base) changeable in realtime
;	- add option to tune base frequency to conventional (Western) pitches,
;	  using pitch-class or note name 
; version 2.6 (26-Sep-2010)
;	- add level control for Risset effect (now labeled Harmonic Arpeggio);
;	  this allows the use of binaural beating by itself
;	- line up all effects horizontally
;	- use SpinBox for Harmonic Arpeggio Offset and Binaural Beats BPS, for
;	  finer control
;	- normalize level controls to use 0.0-1.0 range
;	- change multiplier for BB level from 5x to 4x, seems to match HA level better
;	- layout tweakage
; version 2.5 (12-Sep-2010)
;	- add precision to the base freq. per David First
; version 2.4 (12-Sep-2010)
;	- bugfix from Mark Van Peteghem in the binauralize UDO
; version 2.3 (10-Sep-2010)
;	- fixes from Andres
; version 2.2 (09-Sep-2010)
;	- binaural beat and reverb controls
;	- make Risset offset realtime
; version 2.1 (06-Sep-2010)
;	- fixed release on turnoff
;	- better "on" indicators fron joachim
;	- added binaural beating effect
; version 2.0 (06-Sep-2010)
;	- rewrite for QuteCsound
;
; Copyright 2005,2010, Dave Seidel. Some rights reserved.
; This work is licensed under a Creative Commons
; Attribution-Noncommercial 3.0 Unported License:
; http://creativecommons.org/licenses/by-nc/3.0/
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