Dual-display, dual-channel RTA with 1/3-octave spectrum analyzer
SignalScope Pro provides tremendous flexibility when it comes to viewing audio signals in real time. Dual signal displays can be configured independently for a variety of visualization options. View single or dual-channel output from two analyzers simultaneously, or arrange a single analyzer for viewing dual-channel output with one channel in each display.
SignalScope Pro also adds octave and third-octave band spectral analysis, like a traditional RTA. The filtering is performed in real time by digital Butterworth filters, as recommended by ANSI standards. This offers results superior to synthesized fractional octave band filtering using an FFT.
Also new in SignalScope Pro is frequency weighting based on the standard A and C frequency weighting curves. These curves were developed to mimic human perception of loudness at low and high sound levels, respectively. Weighting can be applied to the time-domain input signals before spectral analysis is performed, or applied to the results of a previously computed FFT magnitude.
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Version 2.1.7 |
MacOS X UB |
(App) |
Feb 8, 2010 |
Version 2.1.7 is a maintenance release that improves the stability of the application.
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Version 2.1.5 |
MacOS X UB |
(App) |
Sep 2, 2009 |
The new updates include improved Leopard compatibility and stability enhancements. These updates are recommended for all users of SignalScope/Pro 2.x or SignalSuite 3.x.
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Version 2.1 |
MacOS X UB |
(App) |
Feb 11, 2009 |
* Input channel selection now relies on checkboxes and radio buttons for more intuitive operation.
* Unaffected channel settings are preserved when the input channel selection changes.
* The new Meter Bridge tool behaves like a multi-channel version of the Sound Level Meter.
* Up and Down auto-scaling options have been added to the FFT Analyzer and Oscilloscope tools.
* Changes made to table rows can be applied to all rows in the FFT Analyzer and Oscilloscope control drawers.
* The Signal Generator tool now supports processing the output signals with up to three Audio Units plug-ins.
* The Signal Generator tool now supports streaming its output signals to WAVE or AIFF audio files.
* Verstion 2.1 includes numerous bug fixes and stability enhancements.
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Version 2.0 |
MacOS X UB |
(App) |
Feb 12, 2008 |
- Completely redesigned, all new code
- Compatible with Leopard
- Comprehensive AppleScript support
- Each analyzer now resides in its own independent window.
- Audio device and analyzer configurations and acquired data can be saved in project files.
- Displays are accelerated with OpenGL graphics for on-screen drawing, and use Quartz 2D for high resolution off-screen drawing to PDF files or the printed page.
- Zoom and Pan cursor types are available for most data displays.
- Each analyzer has received numerous enhancements.
- The FFT Analyzer, Oscilloscope, and Meter Bridge tools can analyze multiple (more than 2) channels simultaneously.
- Current data can be captured for later review or export.
- Captured data can be exported to tab-delimited ascii text or MAT-files.
- Some analyzers allow live data to be overlaid on captured data for quick review.
- Independent calibration of device voltages and individual input/output channels is possible.
- Various units, such as Volts, Amps, and Pascals, are supported for input and output channels.
- Devices and input/output channel names are customizable (names are saved in project files).
- New tools: Sound Level Meter, Meter Bridge, and Signal Generator
- SignalScope Pro's new stereo signal generator supports Audio Unit generator plug-ins.
- Analyzers can take signal generator output directly.
- Numerous other improvements and enhancements
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Version 1.8.7 |
MacOS X UB |
(App) |
Nov 28, 2007 |
Version 1.8.7 includes an updated registration engine (with improved Leopard compatibility)
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Version 1.8.5 |
MacOS X UB |
(App) |
Jan 4, 2007 |
SignalScope 1.8.5 prevents a potential crash at startup and allows Autoscale to be turned off in demo mode.
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Version 1.8.3 |
MacOS X UB |
(App) |
May 9, 2006 |
Universal Binary version
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Version 1.8.2 |
MacOS X PPC |
(App) |
Sep 27, 2005 |
When selecting a new audio device or starting up SignalScope, the current nominal sample rate of the device is kept. Previous versions of SignalScope automatically set the sample rate to its maximum value, which sometimes resulted in temporary loss of audio output on some computers, like the iMac G5. See Apple's article for more information (Article ID: 300832).
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Commercial Software
Senseney Music Inc. Wichita, 45 km
