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The 1Frame SynthVoice arrangement presents a combination of modules aiming roughly along
the lines of traditional subtractive synthesis (VCO → VCF → VCA). The patchable, modular
approach not only gives great scope and versatility around such areas, but also opens up
many more esoteric arenas for exploration.
Sections:
– System Approaches
– Module Descriptions
v1.1 – 19July2012 © BugBrand
tom@bugbrand.co.uk
www.bugbrand.co.uk
BugBrand Modular
1Frame SynthVoice
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Summary of Contents for BugBrand 1Frame SynthVoice
- Page 1 BugBrand Modular 1Frame SynthVoice The 1Frame SynthVoice arrangement presents a combination of modules aiming roughly along the lines of traditional subtractive synthesis (VCO → VCF → VCA). The patchable, modular approach not only gives great scope and versatility around such areas, but also opens up many more esoteric arenas for exploration.
- Page 2 System Approaches I believe that a mix of understanding and experimentation is the best way to approach this system. In many ways I design in building blocks which are quite basic when considered on their own, but when combined open up great possibilities. Connections 4mm Banana Sockets are used for all signal connections within the system.
- Page 3 Contact should first be made via email to discuss the problem. Shipping to return the device to BugBrand is paid by the user and the return shipping is paid by BugBrand. Failures that are not covered by this warranty may still be fixed at a standard rate.
- Page 4 Mini Power The Mini Power has been designed specifically for 1Frame Setups and runs from an external 18V AC (not DC!) wall-wart to generate a stable +/-15v bipolar supply (max. current c.300mA per side) which is then distributed to modules within the frame via an internal power bus board. Features from top to bottom: •On/Off Power Switch •Power input for 18V AC external wall-wart (supplied within UK/EU) - 1100mA minimum...
- Page 5 CTL2 – Joystick / Touch The CTL2 can be seen as a versatile modulation hub for the system. The Joystick and Touch sections of the CTL2 are independent, but complimentary and are individually explained below. Joystick Section: The X and Y axes behave in identical manner, both dependent on the setting of the two switches per section: Ext(ernal) / Int(ernal) –...
- Page 6 ENV1 – Attack/Decay The ENV1 is a simple, yet extremely useful, voltage controlled Attack / Decay Envelope Generator which can also spring into work as an interesting oscillator. There are three modes of operation, plus three rate ranges: A/S/R Mode – Gated Attack / Sustain / Release – The output ramps and holds while the input Gate is high.
- Page 7 SYN2B – Quadrature Sine The SYN2B is a wide-ranging and high stability / purity Quadrature Sine-wave Voltage Controlled Oscillator module. It's main features are: 10-turn tuning dial covering a 10 octave range • Osc or LFO rates • 1V/Oct input (0.1% summing resistors) + variable depth FM input switchable between •...
- Page 8 DD2 – LFO / DC Mixer The DD2 is a dual module offering a simple Low Frequency Oscillator (LFO) and a polarizing DC Mixer in a compact form. The new Rev.2 version adds switches to couple the LFO waveforms direct into the DC Mixer so that you can achieve some interesting waveform combinations.
- Page 9 PRC5 – Wavefolder The Wavefolder is a powerful processor which adds overtones to input waveforms. Typical operation would begin with a simple waveform input – for example, input a sine-wave and as you increase the Folds dial the waveform folds back on itself to produce overtone frequencies. But the folding effect can also be used to process more complex input signals - think of it as a unique distortion device.
- Page 10 PRC3A – SV Filter The PRC3A is a 12db/oct State Variable Filter offering Low/Band/High/Notch Outputs with voltage controlled Cutoff (Freq) and Resonance (Q). The filter features a single audio input and two output sockets - one is switchable between Low & Band- pass while the other goes between High-pass &...
- Page 11 DD1 – Modulator / Low Pass Gate The DD1 is a dual module providing a Modulator (BalMod) and a Low Pass Gate (LPG) in a compact form. At its most basic, it can be seen as two separate VCA sections, but each has some very different behaviours possible on top.
- Page 12 UTL2 – Output Mix The UTL2 is a simple three channel mono audio mixer designed primarily to act as the system output stage. The input channels are DC-coupled and have independent audio-taper level controls, summing the signals before two outputs. Out1 is a DC-coupled full-amplitude (ie.
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