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DESCRIPTION
SignalSuite offers tremendous flexibility in an audio test signal generator. The new version adds support for Audio Unit generator plug-ins, enhanced AppleScript support, advanced output device configuration, and the option to save generator configurations in projects.

Audio Unit generator support opens up endless possibilities for additional signal types. This includes signals stored in standard audio files, which can be now played within SignalSuite by using the AUAudioFilePlayer plug-in included with Mac OS X. It also opens up the option to play back signals sent across a network from another computer, via the AUNetSend/AUNetReceive plug-ins, which are also included with Mac OS X.

SignalSuite Features

  • 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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WHAT'S NEW
Version 3.0:
  • Audio device and signal generator configurations can be saved in project files
  • Advanced device configuration, including custom names for devices and output channels
  • Audio Unit generator plug-in support
    • AUAudioFilePlayer plug-in enables audio file playback
    • AUNetReceive plug-in enables audio signals to be received from other computers on the network
    • Third parties can now develop their own plug-ins for SignalSuite
  • Output levels can be calibrated
  • Enhanced AppleScript support
REQUIREMENTS
Mac OS X 10.4 or 10.5.


SCREENSHOT

Developer:Faber Acoustical S&T
Downloads:6,819
  - Version d/l:370
Multimedia & Design:Audio
License:Shareware
Date:20 Mar 2008
Platform:PPC/Intel
Price:$39.00
RATING
***½.
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    SignalSuite User Reviews (1 post)Write A Review
    Oct 25 2004
    ***½.

    ANONYMOUS  It's a nice idea for an app, but has a lot of problems. Most of it doesn't behave as an application should - a window might only come to the front if you click on the title bar for example, or clicking on a window while already in the front can disrupt the application. Standard command keys aren't always implemented. And worst of all, it screwed up my system sound settings, even after quitting and rebooting! It kept the sound volume in my right speaker (using the SoundSticks) constant while changing only the left speaker volume - and I had no balance control in the Sound preference pane. After I deleted this program, I had to get it again to fiddle with the sound output settings to restore normal behavior.

    Overall, this has the potential to be a good application, if the developer spends some time polishing it. As it is, it makes me feel like I'm using Windows, or maybe even something worse!

    It does let you generate some interesting sounds, though, so if that's what you need (and you don't mind having to deal with a plethora of annoyances and bugs), this'll do it.  (Version 1.1.2)

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