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 SignalSuite by Faber Acoustical is an Audio Plugin Host for macOS. It can host Audio Units Plugins.
Product SignalSuite
Developer Faber Acoustical
Price (MSRP)
Type / Tags Test Signal GeneratorAnalyser / MonitorUtility
Plug-in, App & Soundware Format(s)
Can Host
Can Host
Operating System Availability
Download Released
Downloads Released

SignalSuite is an audio test signal generator.


  • Select any audio output device available in Mac OS X (version 10.4 or later).
  • Select any two output channels on multi-channel audio devices.
  • Choose from all output signal formats supported by the current audio device.
  • Invert polarity on either output channel.
  • Generate any of the following signal types:
    • Sinusoid.
    • Square Wave with arbitrary duty cycle.
    • Triangle Wave.
    • Sawtooth Wave.
    • Random Noise (white or pink).
    • Maximum Length Sequence, or MLS (white or pink).
    • Pseudorandom Noise (white or pink), designed for a perfectly flat spectrum with corresponding FFT length.
    • Swept Sine (Chirp) with linear or logarithmic frequency sweep.
    • Optional Swept Cosine signal, phase-locked with Swept Sine.
    • Any signals produced by Audio Unit generator plug-ins.
  • Relative Phase adjustment between the two periodic signals.
  • Independent amplitude adjustment, fine and coarse frequency controls, and pan for periodic signals.
  • Choose upper and lower frequency limits, duration, sweep direction, and repeat of swept sine.
  • Choose any combination of available signal types to be active simultaneously.
  • Master Start/Pause control.
  • Master Volume control.
  • Start or pause SignalSuite from the dock icon popup menu.
  • Save signals of arbitrary duration directly to a standard audio file (AIFF or WAVE format).
  • Extensive AppleScript support.
  • Multiple panning behaviors.
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