SFZ+ Professional

rgc:audio’s revolutionary SoundFont player sample-playback engine, packed in a professional VST/DXi instrument. Outstanding sound quality, stereo built-in effects, adjustable CPU/quality settings to adjust it to your hardware, fully multitimbral operation, multiple stereo outputs, several loading modes including direct-from-disk streaming and a beautiful interface make sfz+ the perfect choice for SoundFont users and professional composers.

Main Engine

• High Quality bandlimiting sample-playback engine
• 9 quality settings to allow precise CPU usage optimization
• 256 voices of polyphony, unlimited layers per voice
• Per-channel polyphony limiter
• Fully multitimbral operation, supports all 16 MIDI channels
• Allows loading one file per MIDI channel, or single-file multitimbral operation
• Supports any standard/custom samplerate, including 22, 32, 44.1, 48, 88.2, 96, 192 and 384 kHz
• Extensive SoundFont compatibility
• Reads SoundFont files (.sf2), 16/24/32-bit wave files (.wav), mono or stereo
• Several SoundFont loading modes: Whole SoundFont, Single Preset
• Four stereo outputs, one stereo Effects output

Sound Generator

• A LPF, two LFOs and two Envelope Generators per layer
• Filter Cutoff, Filter Resonance, Keyboard Tracking, Velocity Tracking and Envelope Amount
• Vibrato LFO with Delay, Speed and Depth control
• Modulation LFO with Delay, Depth, Filter Depth, Pitch Depth and Amp Depth controls
• Modulation EG with Attack, Hold, Keyboard-To-Hold, Decay, Keyboard-To-Decay, Sustain, Release and Pitch Depth controls
• Amplifier EG with Delay, Attack, Hold, Keyboard-To-Hold, Decay, Keyboard-To-Decay, Sustain and Release controls

Effects

• Stereo Chorus with Mix, Speed and Depth controls
• Stereo Reverb with Mix, Size, Damp and High Frequency controls
• Effects on/off button

Programs / Banks

• 128 internal programs (scenes).
• Saves and Loads standard program (.fxp) files.
• Drag and drop support for program files (.fxp), SoundFont files (.sf2) and Wave files (.wav).
• All settings saved in the song.

Graphic User Interface

• Total Layers and Voices played indicator.
• Focus-capable controls, full PC-Keyboard support.
• Full mouse wheel support.
• Inertial sliders, menu-driven multi lists, fast page selectors.
• Output level VU meter.
• Sound Preview ribbon at bottom, MIDI transmit to host (VST).

MIDI implementation

• Extensive MIDI implementation: Velocity, Pitch Bend, Modulation, Sustain Sw and a lot more.

ASIO microHost

• Ultra light ASIO host for live performance and programming (90k)
• Supports 44.1, 48, 88.2 and 96 kHz samplerates.
• Virtual keyboard with Pitch Bend/Modulation/Program Change/Transpose controls using PC keyboard
• Simultaneous use of multiple MIDI ports
• Saves 16-bit and 32-bit WAV files