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 DSP-Quattro by Stefano Daino is an Audio Plugin Host for macOS. It can host VST Plugins and Audio Units Plugins.
DSP-Quattro DSP-Quattro DSP-Quattro
Product DSP-Quattro
Developer Stefano Daino
Price (MSRP)
€99 / $99
Type / Tags Audio EditorPlug-in Chainer / Rack
Plug-in, App & Soundware Format(s)
Can Host
Can Host
Operating System Availability
Download Released
Downloads Released
Supported Sample Formats (loads or saves) include

DSP-Quattro is a powerful sound editor for Mac OS X that utilizes the latest technological advances of computer-based sound editing.

Main features:

  • Universal Binary support: DSP-Quattro runs natively on Macs based on new Intel processors.
  • Full support of Mac OS X Quartz graphic libraries.
  • Immediate Cut, Copy &Paste, and undos/redos, no matter how much is the audio file long.
  • Batch Processor, for automated file format conversion, plug-ins and additional processing.
  • State-of-art Linear Phase Sample Rate Converter (SRC) algorithm with selectable quality options, applicable also on the PlayList export, for AudioCD-ROM burning and for BatchProcessing.
  • Extended Altivec support for extreme processing and file I/O speed.
  • Fully programmable PlayList with real time and non-destructive internal and/or plug-in effects and crossfades between tracks.
  • Built-in audio CDROM burning capability that conforms to the Redbook standards.
  • Each PlayList track may have its own real time internal and/or plug-in effect chain.
  • Playlist and audio CDROM image files can be exported or imported compatible with Roxio Toast/Jam format.
  • AudioUnit Instruments and Effects plug-in support.
  • AIFF, SDII and.WAV mono/stereo sound files direct load/save support: 8, 16, 24, 32 and 32-floats bit/sample (the last allowed only for WAVE and AIFF file formats).
  • RAW data files Import/Export (8, 16, 24, 32 and 32-Floats bits/sample).
  • Import, by using QuickTime, of most audio file formats, including MP3, audio tracks from QuickTime movies and Audio CDROMs, and more.
  • Advanced HD based High Speed audio engine, to play any audio files forward and backward, at every speed, without loading them in RAM memory.
  • Plays audio files at pitches ranging from 0 to x2, including a speed ribbon controller interface. Audio scrub mode with audio monitoring. Reverse playback supported as well.
  • Full Project management, to Load/Save a snapshot of the current configuration and all settings, as, for example, opened files, loaded Instruments, plug-in instruments, I/O configurations, etc.
  • Complete list of editing functions, most of which have a real time preview option for the best parameters setting.
  • Very easy to configure to play multiple - also at the same time - virtual plug-in Instruments by MIDI, also for live performances.
  • Innovative Recording options, to record multiple inputs and outputs on HD in real time, also while playing Plug-in Instruments by MIDI and/or audio files.
  • Zooms and visual tools, the state of art in graphic visual interface for audio editing.
  • Left or Right independent channel editing of stereo files.
  • Generic and Edit Markers support, with floating window interface for their management.
  • Regions are supported. DSP-Quattro offers also an advanced graphic control on the Marker&Region tool window and several related functions for their management.
  • Regions list can be exported as AudioCD Image compatible with Roxio Toast/Jam format.
  • Infinite levels of Undo/Redo.
  • Complete Undo/Redo history table, to immediately jump back to any moment of the editing session.
  • High quality built-in digital effects, applicable both as real time effects on audio insert, and as an off-line editing algorithm:
    • Chorus.
    • Digital Delay.
    • Dual Digital Delay.
    • Stereoizer.
    • MultiTap Delay.
    • Reverbs.
    • Resonant analog LowPass, HighPass, BandPass filter simulations.
    • BandReject filter.
    • 4 Bands full parametric EQ.
    • 7 Bands graphic mono and stereo EQ.
  • BPM tempo based Auto-Detection, Auto-Loop and TimeStretching algorithms.
  • Resampling, Pitch Conversion, Normalization, multiple Fade In/Out features.
  • Drag&Drop support for fast loading, saving and exporting even regions of the audio files.
  • Advanced floating window interface for Loop programming.
  • X-Fade Looping algorithm fully programmable with real time preview.
  • Multiple virtual Instruments and Effects hosting, for both real time live performances and off-line editing.
  • Also Audio Inputs, Input Recorders, virtual Instruments can has their own independent insert effects.
  • User can Save/Load/Copy/Paste the Insert and Global Effx chain, including all loaded plug-ins and their settings.
  • Find Peak and RMS function with extended facilities.
  • External audio devices fully supported, to address also multiple analog and digital inputs and outputs at the same time.
  • Very easy to configure as Real time multi-effects unit, including Inputs to Outputs redirections.
  • Full CoreMIDI drivers support.
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