Numerical Audio has introduced VOLT – a polyphonic synthesizer for iOS, that they say has a special focus on expression.

VOLT at it’s heart is comprised of up to 8 virtual analog synth voices, each including one continuously variable wave oscillator, detunable sub, noise source, SEM style filter, advanced LFO, distortion & 2 ADSR envelopes, followed by a total of 3 master effect units.

VOLT was built with MIDI Polyphonic Expression (MPE) in mind and supports all ROLI products as well as other MPE-compatible devices out of the box. It features a factory bank of more than 100 expressive presets.

Features:

• Polyphonic Virtual Analog Synthesizer
• Expressive synth engine with MPE, poly-, channel aftertouch & 2D touch keyboard
• Built-in stereo effects
• 100+ factory presets
• Supports ROLI Seaboard controllers out of the box
• Standalone operation with support for USB audio interfaces, wired, network & bluetooth MIDI
• Audio Unit v3 Extension
• Inter App Audio support
• Audiobus support
• Ableton Link

Expressive Support:

• MPE MIDI hardware including but not limited to ROLI Seaboard Rise, Seaboard Block, Lightpad Block
• MPE MIDI software including but not limited to Geoshred, Geoshred Control
• Regular MIDI keyboards featuring channel or poly aftertouch, pitch- and mod wheels
• Onscreen 2D Touch Keyboard (supports slide and glide)
• Plain MIDI Input

Connectivity:

• Standalone
• AUv3 Instrument
• Inter-App Audio Instrument
• Audiobus Instrument

Here’s a preview of VOLT in action, via redskylullaby:

Pricing and Availability:

VOLT for iPad is available on the Apple App Store for US $8.99 (through April 3rd, normally $14.99.)