Meridian Mono

A sweet little VSTi synthesizer
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Meridian Mono Ranking & Summary

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  • Rating:
  • License:
  • Freeware
  • Publisher Name:
  • Russell Borogove
  • Operating Systems:
  • Windows All
  • File Size:
  • 262 KB

Meridian Mono Tags


Meridian Mono Description

Meridian was developed to be a sweet little VSTi synthesizer. It's kinda weird. It's kinda cool. Here's an overview of the synth, arranged by the functional groupings of controls on its front panel. Play: Meridian is a flexible performance synth. It can operate in polyphonic, monophonic, or monophonic-portamento mode. In portamento mode, the portamento time is set by the Glide knob. Meridian can respond to a single MIDI channel or all channels (Omni mode). Sensitivity to keyboard velocity is adjustable. Master volume is adjustable and pre-configured to respond to the volume controls of most MIDI keyboards. Pitch bend is supported with a default range of +/- 2 semitones, adjustable up to +/- 24 semitones. Obsessive sound designers who are away from their keyboard controllers can use the Test button to audition patches. Mutate: Meridian supports an "auto-mutate" feature, where each note played scrambles the controls. The Mutate knob limits the amount of alteration: it controls the probability of each control changing, as well as how far the control changes. At low mutation rates, certain critical parameters won't be modified at all. Set the mutation rate high to hear wildly different sounds on each note, then reduce the mutation rate to explore nearby variations. Oscillators: Under the hood, each voice has four oscillators. You select one of 9 Wavesets, which automatically assigns a different waveform to each oscillator. The Full and Bright controls set the relative mix of the four oscillators. Full and Bright can be modulated by the ADSR envelope or by the filter sweep generator. The Detune control spreads the frequencies of the four oscillators slightly, fattening and enlivening the sound. The Drift control further animates the oscillator frequencies. The Chord control tunes the four oscillators to different relative notes, to play stacked octaves, fifths, and a handful of common chords. VCA: A conventional ADSR envelope generator controls the volume of notes. Either gate can further modulate the volume envelope, making the sound stutter or pulse in complex patterns. A gentle waveshaping distortion similar to that of an analog amplifier is applied; by preamplifying the signal the amount of distortion can be controlled. Gates: Two 16-step gate sequence generators (CrapGatesTM) are provided, to modulate amplitude, filter cutoff, and panning. At each step, the gate is set on or off; the Attack control sets the off-to-on rise time and the Release control sets the off-to-on fall time. Short Attack and Release values give a hard gating like a square wave LFO. Different Attack and Release times can yield the effect of a sawtooth or triangle LFO, but irregular gate step patterns can yield modulations unlike that of conventional LFOs. The number of Steps used in the gate cycle is adjustable from 1 to 16, and the Size of the steps is controllable from whole notes to 32nd notes at the tempo of the VST host. Turn up the Crack knob to turn the CrapGatesTM into CrackGatesTM which jump randomly from step to step. Delay: A simple 4-tap delay unit is provided - two taps are each routed to the right and left channels. Feedback is adjustable, as is the Wet mix of the effect. Short echo times combined with high feedback tend to give unnatural metallic sounds; if all the echo times are different and feedback is moderately high, it can almost pass for a reverb. But not really. The Sync toggle forces all delay times to be even divisions of the VST host tempo, producing cool rhythmic echo patterns. VCF: Meridian sports a filter operating in 12dB/octave or 24dB/octave lowpass, highpass, or bandpass mode, with a tunable secondary resonance controlled by the Var knob. As usual, the resonance of the filter is adjustable. Keyboard tracking is optional. VCF Envelope: A four-point filter modulation envelope is provided. Levels are set by the Init, Peak, Sustain, and Final controls; times to transition between those points are set by the Attack, Decay, and Release knobs below. Low Frequency Oscillator: Dirt simple sine wave LFO. If you want a fancier LFO, play with the gates. Resync restarts the oscillator with each note. LFO volume starts at zero on each note; the Ramp control sets the time to reach full volume. Turn it all the way down for instant-on LFO. After reaching full volume, the Damp control sets the rate at which the LFO fades back out. If you want the LFO to run forever, turn Damp all the way down. Wah sets the depth of filter modulation by LFO; Vibrato sets the depth of pitch modulation. The oscillators can be panned in the stereo field according to the gates; those controls got dropped here because that's where there was room for them. Meridian Menu: Click on the Meridian badge to bring up a menu. Besides a friendly About-box, there's a New Presets option. If you confirm that you want to do this, the next time you start Meridian, it will generate an all new set of preset patches. Your old presets will be lost to the void forever. Give this a try if you can't stand any of Meridian's presets. Tiny God Menu: Click on the Tiny God badge to bring up a menu. From here you can visit the Tiny God web site, send email to the developer, or purchase the full polyphonic version of Meridian. Main features: Mutation feature modifies the settings with every note played, in order to explore all the sounds Meridian is capable of. The mutation rate is widely variable, from vanishingly slight adjustments of the patch to a totally different sound on every note. Dual CrapGates can modulate panning, filter, and amplitude envelopes. Unique oscillator architecture allowing continuous control of waveshape brightness and harmonic fullness within each of 9 wavesets. Multimode filter with 6 primary modes and 6 variations on each. Integral waveshaping distortion. 4-tap tempo-syncable stereo delay. Lovingly optimized oscillator and filter code for unbelievably low CPU usage.


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