VOICE internal DSP resolution works at 20 bits / 44 kHz sampling rate.
The EF-303 groovebox manages 3 sound sections:
- a digital modulator effect processor (1)
- a virtual analog TB303 bassline emulator (2)
a virtual analog drum machine (3).
MODULATOR the 16-steps modulator is especially designed for real-time visual performance.
The principle is quite simple: the step modulator cyclically changes the effect settings to a specified values and creates moving textures or rich rhythmic patterns. It is also possible to set the number of steps for a sequence, up to 16 at 480 ticks per note resolution.
can be played in 5 modes:
- forward -->
- backward <--
- forward / backward .--><--.
- pendulum --><--
- random -?-
EFFECTS the machine features 16 algorithm effects:
DRUM MACHINE is based on modelling virtual analog. internal DSP generates 5 electronic percussions with no possible edit. Patterns are recorded using the step modulator, in this case each slider is split into 5 equal zones and each of them corresponds to a specific percussion between:
- mute (no sound)
- open hihat
- closed hihat
- snare drum
- bass drum.
internal VA drum machine HEAR
TB303 is also virtual analog and emulates the famous TB303 bassliner: notes are entered using the step modulator sliders from bottom position for lower octave to higher, in addtion the bassliner has some sonic controls including filter cutoff, resonance and slide emulation (but no accent "twang").
internal TB303 HEAR
SYNC internal frequency range is from 40 to 240 BPM or defined by TAP button.
It is possible to slave the EF303 to a external Midi clock or engage the AUTO-DETECT function that digitally counts the BPM from external signal and automatically syncs the patterns.
The sync function provides 12 tempo dividers: 16th, 16th dotted, 8th, 8th dotted, quarter, half note, whole, two whole notes, four whole notes, 16th triplet, 8th triplet and quarter note triplet.
MIDI synth and drum can be triggered by Midi and Ef303 knobs transmits Midi CC#.
16 setups that can be data dumped to Midi sysex.
- 21 tuning scales including chromatic, diatonic, minor, dominant, whole, pentatonic and more.
VST PLUGIN no official roland EF VST PLUGIN, however some alternatives: