Our revolutionary sample-playback engine featured in our freeware SoundFont player sfz, packed in a professional interface in the style of our multi award-winning z3ta+ Waveshaping Synthesizer.

Outstanding sound quality, stereo built-in effects, adjustable CPU/quality settings to adjust it to your hardware, fully multitimbral operation, multiple outputs, several loading modes including direct-from-disk streaming and a beautiful interface make sfz+ the perfect choice for SoundFont users and composers.

Feature Set

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.
  vFully multitimbral operation, supports all 16 MIDI channels.

• Supports any standard/custom samplerate, including 22, 32, 44.1, 48, 88.2, 96, 192 and 384 kHz.
• Extensive SoundFont compatibility.
• Several loading modes: Whole SoundFont, Single Preset, Direct-from-Disk streaming.
• 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) and SoundFont files (.sf2).
• 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

• Ultralight ASIO host for live performance and programming (90k)
• Supports 44.1, 48, 88.2 and 96 kHz samplerates.
• Virtual keyboard with PitchBend/ModulationProgram Change/Transpose controls using PC keyboard.
• Simultaneous use of multiple MIDI ports.
• Saves 16-bit and 32-bit WAV files direct-to-disk.

sfz+ demo version is freely available for download in VST version and now DirectX.