Infernal Noise Machine flight of harmony
I.N.M.
o IMP output • Variable Center Frequency (fc) o CV input: ±12V o CV attenuator • Variable Gain o Q varied with Gain Dual Voltage-Controlled Amplifier (VCA), each channel: • Variable level o CV input: ±12V o CV attenuator • Voutmax. = ±5V (10Vp-p) What is it? THIS IS NOT A MUSIC SYNTHESIZER Get that out of your head right now. The Infernal Noise Machine was designed towards the creation of noise, sound effects, and for the general field of sound design.
With the INM, the signal path is a bit different: flight of harmony Domain Frequency Range Width fig. 1 Infernal Noise Machine VCF Bypass External Input Noise generator Tone level VCO VCO CV Tune VCF VCA VCF VCA level Mod depth VCO FM LPF I.N.M. Imp Block Diagram 11/11/2009 VCF Bypass The voltage-controlled oscillator (VCO) is not the heart, but an effect. The heart of the INM is the Imp, a voltage-controlled noise source. The VCO is used to “color” the tone of the noise.
CONTROLS AND USAGE Here is a brief explanation of the controls and their usage, described in the same order as the signal path (see figure 1). IMP • Domain, Frequency, Range and Width: Technically, all four describe the same Function: what frequency the Imp puts out. The total possible range of the Imp, however, is from subsonic to ultrasonic, and accessed in different ways requiring multiple controls for fine-tuning. • Domain: The first stage of frequency selection.
CV Level: The CV inputs have attenuators to adjust the level of external signals. Fully clockwise is the actual CV level, fully counter-clockwise is full attenuation. Tone: The Noise generator has two output amplifiers - a boost/ buffer and a low-pass filter (LPF), the Tone knob controls the mix between these two outputs. The phase relationship between these two outputs varies depending on the Noise frequency; sometimes in phase, sometimes 90°, sometimes 180°, and everything in between.
VCA section This is the output section. Each of the two signals is sent to a VCA, and the outputs of the two VCA are summed together and sent to the output jack. Level: The level control for the VCA. Fully clockwise is maximum (±5V), and fully counter-clockwise is full attenuation. CV Level: Controls the attenuation of the external CV signal, used here to vary the level of the output signal. Volume control This is the last stop for the signal on its way to the output jack, the volume control.
Guarantee All f(h) products are guaranteed against defects in manufacturing and workmanship for the lifetime of the product. Please contact us via email at: support@flightofharmony.com Stuff There is a lot of discussion about the Infernal Noise Machine on the Muffwiggler forums, come check it out! People have posted some excellent demos on there. I haunt the forums as well, and new things are posted there long before they hit the f(h) website. http://www.muffwiggler.com/forum/index.
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