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Contrary to it's name the ROOM is no reverb effect but an enitrely analog audio processor to shape and dynamically modulate the sound and spatial field of a connected stereo reverb by the dynamics of the mono audio source. For modulation duties the ROOM has an envelope follower and an envelope generator that can react to the audio material or to external CV and gate signals.
Let's have a look on the modulation circuits first. There are two modulators between which you can choose at various points in the ROOM:
EF: An envelope follower with adjustable attack and decay times and three global speed settings. You can select the direct input signal or an external signal (IN) to be the input signal or a mix of the L&R returns (RTN). The Gain parameter controls the amount and the polarity of the modualtion.
ENV: The Attack-Decay envelope generator has three selectable sources: the input signal or an external signal (IN), the input signal but filtered with a 300Hz lowpass (LP) or the mix of the L&R returns (RTN). Set the threshold above which a gate is produced which triggers the envelope. HOLD determines the time until the envelope can be fire again.
LOGIC: either you can use the gate to fire the envelope or the output of logic circuits in combination with an inverter (GATE, OR, AND, XOR, inverted gate, NOR, NAND and XNOR). an inverted gate flips the functions of attack and decay controls. DIV is an additional circuitry that divides down the number of triggers by 2, 4 or 8 befor they are sent to the logic section.
The dry audio signal is first sent to a VCA, either non-processed (IN) or after having passed a level control, two 12dB Low Cut and HiCut filter and a limiter (EQ-LMT). The VCA controls and modulates the signal's level pre-send.
For processing the stereo reverb signal there are two filter sections, each selectable between low pass, band pass or high pass. The LR section handles the outside audio layer from the stereo signal (Shelf mixes in 50% of the unfiltered signal) ,while the C-section processes the center audio layer and features three emphasis settings.
The filter cutoff of each section can be controleld manually or modulated. After the filter both sections pass their own VCA volume section that can be modualted as well. The width of the LR-section's stereo signal cam be saet to 60%. 80% or 100%. The panorama position of the C-section is set with a potentiometer.
ROOM auf der Seite von NIIO Analog;http://niioanalog.com/product/room/;Demo-Video 1;https://www.youtube.com/watch?v=NZ5-PLaXHNA;Demo-Video 2;https://www.youtube.com/watch?v=q8CanDGFPOw