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The VCO's are the modules where the actual sound comes from. There are three of them (VCO1,VCO2 and VCO3). On each VCO you have a selection of 2 out of 4 wave forms (SIN,TRI,SAW,SQUARE). These two waves can be merged together to form a new wave. You can modulate each VCO by frequency, phase or amplitude.
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The VCO's are the modules where the actual sound comes from. There are three of them (VCO1,VCO2 and VCO3). On each VCO you have a selection of 2 out of 4 wave forms (SIN,TRI,SAW,SQUARE). These two waves can be merged together to form a new wave. You can modulate each VCO by frequency, phase or amplitude. |
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The VCO's are the modules where the actual sound comes from. There are three of them (VCO1,VCO2 and VCO3). On each VCO you have a selection of 2 out of 4 wave forms (SIN,TRI,SAW,SQUARE). These two waves can be merged together to form a new wave. You can modulate each VCO by frequency, phase or amplitude. |
VCF1 and VCF2 are the tracking filters of the synth. You can select a number of standard filter types, like Lowpass, Highpass, bandpass and a number of special filters like Analog lowpass and badboy.
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VCF1 and VCF2 are the tracking filters of the synth. You can select a number of standard filter types, like Lowpass, Highpass, bandpass and a number of special filters like Analog lowpass and badboy. |
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The Resonant Filter Module are 3 small filters that you can use to enhance the sound.
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The HV-MIXER module is a 6 channel delay module with volume controll for each channel. In stereo mode only the front strip (Left and Right) wil work. The delay times can be addjusted continues or beat synched. |
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With this module you get 2 LFO's (Low Frequency Oscilators) You can use the generated waves to modulate other modules. Both LFO's generate Sinus, Triangle, Square, Ramp Up and Ramp Down waves. Both LFO's have Amplitude modulation and one of them also has frequency modulation. They are key triggered or free running. The tempo adjustment is free or beat synced. The output signals are routed to the modulation terminals. |
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This is 1 of the two ADSR envelope modules. You can select multiple gate signals to trigger the envelope. The A, D and R section have different curves to choose from. At the AM section you can choose to modulate the envelope ouput signal with for instance the Keyboard velocity. The Envelope output signal is routed to the Modulation terminals.
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This is 1 of the two ADSR envelope modules. You can select multiple gate signals to trigger the envelope. The A, D and R section have different curves to choose from. At the AM section you can choose to modulate the envelope ouput signal with for instance the Keyboard velocity. The Envelope output signal is routed to the Modulation bus. |
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This is the DAR envelope module. It generates a Delayed AR curve. That for instance can be used to delay an LFO signal. You can select multiple gate signals to trigger the envelope. The A and R section have different curves to choose from. At the AM section you can choose to modulate the envelope ouput signal with for instance the Keyboard velocity. The Envelope output signal is routed to the Modulation bus. |
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The mixer module is used to combine 2 signals into one new signal. Both modulation and sound signals can be used. You can also modulate the mixing. The output of the mixing module is sent to the modulation bus and to the internal and external signal busses.
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The mixer module is used to combine 2 signals into one new signal. Both modulation and sound signals can be used. You can also modulate the mixing. The output of the mixing module is sent to the modulation bus and to the internal and external signal busses. |
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With Sample and Hold module you can generate yet another modulation signal. The selected input signal is sampled at an adjustable interval, this sampled input value is hold until the next interval. You can smooth the transition between two values. The output of this module is sent to the modulation bus. |
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The Ring Modulation module multiplies two sound signals to generate a new signal. It produces characteristic gong like sounds. The output signal is routed to the external signal bus. |
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The Amplification module is the last module in the modular chain. The output of this module is permanently connected to the HV-Panner effect module. Up to 4 different input signals, 3 from the internal signal bus and one from the external signal bus can be selected. These signals are Amplitude Modulated by the signal you select at the AM or ENV terminals. |
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With this module you can pan sounds. If the synth is working in stereo mode only the X-PAN, Left and Right is working. In Heptaverton Surround mode the X and Y PAN determine the x and y coordinate expressed in sound in a 360 degree sound field. The DIST parameter determines the distance of the sound. All three parameters can be modulated. |
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this is the 64 cell polyphonic sequencer, arpeggiator. There are 2 rows for pitch and trigger (CV1,CV2), two rows for gating (GATE1,GATE2) and two rows for modulation (MOD1,MOD2). On each row you can set Type of sync, collumn to start, number of steps, speed, Pulse width and glide. The pulse wide, speed and glide values can be modulated. The outputs of the sequencer can be connected to almost all of the modules which gives you endless combinations of manipulating sounds. |
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Here you can set the voice allocation. You can select Mono (1 voice) Poly (2 to 16 voices) Unison (Off to 4 voices per note). You can also set Portamento and Glisando at this section. Warning!! The number of voices greatly determine the amount of processor power needed. Watch out if you want to use more than 4 voices!! |
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This is the Key hold memory. This module is specially usefull with sequenced sounds. If you turn the module on and select Hold mode all the key's you press are stored and wil continue to sound. In Release mode you can remove key's from the memory. If you turn the module off, the key memory is cleared. |
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At this section you can set the Midi channel for the Synth, assign Midi controllers and internal controllers to any knob of the synth and set the Midi Modulation wheel, Pitch wheel, Velocity and Aftertouch responce curves. |
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At this section you find the internal controllers. The 4 colour coded knobs can be assigned to any knob of the synth. This gives the possibility to highlight important preset play parameters. The assignment of the controllers is saved with each patch. |
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The HV-Formant has 64 factory presets that can be selected at this section.
From this section you can also load, save your own patches or preset banks. You can look at the "Patch exchange" area of the site if there are new patches, download them and load them in the synth at this section. If you made a patch that is worthwhile you can upload it to the "Patch exchange" area of the site.
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With this module you can add a chorus effect to your sounds. |
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At this section you can set the main output volume and select the Stereo or Heptaverton Surround play mode. A mixdown from Heptaverton Surround to Stereo or 5.1 is planned for later versions. |
The "HV-Formant" is a modular virtual analog subtractive synthesizer with standard stereo or experimental "Heptaverton Surround" capabilities.
Move over the different modules in the picture to get a short explanation of the module. If you click the module you wil go to the corresponding chapter for a detailed explanation.
If you are a PC musician beginner and want to know how you can get the HV-Formant working as a plugin in a VST host sequencer program, you can read the chapter: HV-Formant and EnergyXT2
If you want to use the standalone version, read the Quick Guide
Warning!!
The HV-Formant is almost 100% modular, this means great flexibility but also easy to mess things up. Before you start turning knobs please read the
"general working principle" chapter.
See also:
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