Korg RADIAS
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The Korg RADIAS is a virtual analog synthesizer and Vocoder, released by Korg in 2006. The RADIAS' MMT (Multiple Modelling Technology) engine was based on the Korg OASYS synthesizer module, providing for several different synthesis methods, two of which may be combined in a single voice e.g. phase distortion synthesis can be combined with subtractive synthesis. The different synthesis methods employed by MMT represent the majority of methods used historically in other Korg synthesizers: digital waveguide synthesis was first used in the Korg DW-8000 and phase distortion synthesis was first used in the Korg DS-8. This flexibility allows for very realistic emulations of past Korg synthesizers (both digital and analog), though stays away from trying to emulate the Korg M1 and the Korg Wavestation, (these synthesizers used Pulse-code modulation, Sample-based synthesis and Wave sequencing/vector synthesis respectively, something that MMT does not emulate). As well as using the in-built waveforms (digital & analog emulations) for the basis of sound creation, the RADIAS allows for the input of an external signal which may be routed through the various sound shaping devices (filters / pitch envelopes etc.). The RADIAS has a comprehensive matrix modulation specification and to further enhance a sound the 'Wave Shaper' module allows for various sound distortion effects.
A 16-band vocoder with Formant Shift function is also available.
RADIAS also takes advantage of KKS Korg Komponent System which allows the user to detach the RADIAS-R module from the dedicated RADIAS-KB keyboard. The RADIAS-R module could be bought separately but the keyboard could not. The RADIAS-R module can be installed on the M3-73 or M3-88 and played simultaneously with the Korg M3 module using the M3's keyboard.
SuperSaw waveforms and Unison mode, the RADIAS has the ability to stack up to 5 waveforms in 1 oscillator, using only 1 voice of polyphony. Also, there is an additional unison mode, which can stack 5 waveforms, but uses additional voices. You can use these modes in combination, to create very intense Super waveforms (SuperSaws, but also super triangles, sines and squares). The result can contain up to 25 detuned waveforms.
All these functions with 24-voice capability are accomplished on 2 TMS320VC5502 DSP chips from Texas Instruments. Each DSP chip has up to 600 Millions Multiply-Accumulates Per Second with 16bit fixed point. Which is not to be confused with the audio interface that is a 24 bit processor.
Features
- A dual filter, which not only allows you to use 2 filters in various configurations for each timbre, but also to "morph" different filter types.
- Formant Motion Record allows you to record spoken phrases and then trigger them with the keyboard using Vocoder function.
- Modulation Sequencer, a "virtual analog sequencer" that mimics analog sequencing, 3 * 16 step.
- Virtual Patching, originally developed on the Korg MS2000, 6 "virtual patches" allow any of 15 modulation sources to be routed to any of 15 modulateable parameters.
Specifications
Template:Korg Radias Owner's Manual
- Polyphony: 24 voices
- Synthesizer: 2 oscillators, 1 noise generator, 2 filters, 1 wave shaper, 3 envelope generators, 2 LFOs, 6 virtual patches
- Vocoder: 16 band
- Envelope Follower: 8 note polyphony[1]
- Effects: 30 types
- Arpeggio: 6 types
- Sequencer: two step sequencers with 32 steps each, wich can be linked together to make one 64 steps sequencer
- Programs: 256
- Drums: 32 kits
- Keyboard: 49 keys
- Aftertouch: Partial support (in mono through MIDI, using a MIDI keyboard)
- Touch Sensitivity: Yes
- Controllers: Modulation wheel, pitch bend wheel
- Audio Input: 2 phone jacks, 1 mini jack
- Audio Output: 4 phone jacks, 1 headphone jack
- Control Inputs: 1 pedal jack, 1 switch jack, 1 keyboard jack
- MIDI: 1 in, 1 out, 1 thru
- USB: 1
- LCD Display: Backlit, 128 x 64 pixel
- Power Supply: AC 9V adapter
References
- ↑ Owner’s Manual. RADIAS MMT Synthesizer/Vocoder. Korg Inc. p. 170.