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System Requirements
Mac OS X version 10.3.9 or later
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Software Description
The Faber Electroacoustics Toolbox (FEaT) is a modularized, multi-channel dynamic signal analyzer and data acquisition platform for the Mac.<
FEaT brings powerful new tools to the Macintosh platform for multi-channel, audio-band data acquisition and real-time analysis of electrical, acoustical, and electroacoustic signals and systems. It enables precise measurements of acoustic quantities, such as equivalent and time-weighted sound levels, as well as acoustic and electroacoustic systems, such as listening rooms and loudspeakers. The software is designed to work with any Mac-compatible audio hardware and supports multiple channels of 8, 16, 24, or 32-bit data with sample rates as high as the hardware will support.
Features
- Multi-channel Dual FFT Analyzer for transfer function, impulse response, correlation, time delay, SNR, and other measurements of electrical, acoustical, and
electroacoustic systems (filter circuits, listening rooms,
loudspeakers, etc) - Multi-channel FFT Analyzer for real-time spectral analysis
of input and output signals - Multi-channel Meter Bridge for a quick look at input signal
levels - Multi-channel Oscilloscope for real-time viewing of input
signal waveforms - Sound Level Meter for measuring instantaneous and
time-averaged sound pressure levels - X/Y Plotter for measuring relative phase and creating
Lissajous figures in real time - Signal Generator for real-time synthesis of various
waveforms and test signals - Noise Dosimeter for convenient noise dose measurements
- Hardware-accelerated OpenGL graphics for fast real-time
plotting - Quartz-based graphics for high-resolution still images and
prints - Advanced control over input and output devices
- Device and individual channel calibration
- Support for units, including Volts, Amps, Pascals, and
Engineering Units - Saving complete configurations and data in project files
- Exporting data to ascii text files for easy import into
other applications - Work with multiple independent audio devices simultaneously
- No arbitrary limits on how many devices or channels are
used, or on sample rates or signal formats--these are limited only by
your hardware - Modular architecture for rapid development of additional
tools, with the potential to allow third parties to develop custom
plug-ins
New in v1.2.1
- Electroacoustics Toolbox now supports quasi-anechoic frequency response measurements. The measured impulse response can be truncated (windowed), which will cause the transfer function measurements to be recomputed based in the shortened impulse response.
- The Meter Bridge tool now correctly saves and restores its selected input device.
- The Dual FFT Analyzer's auto-scale function always sets the vertical scale to 0.2 per division when viewing cross correlation data.
- Using reduced frequency spans in the Dual FFT Analyzer could previously result in corrupted measurements when using the analyzer's built-in excitation signal. This has been repaired.
- Oscilloscope displays are more robust, particularly for large time scales.
- The Spectrogram 3D display no longer gets reset when clicking the Stop All button in the project window.
- Applescript is now supported by the feature-limited, 30-day demo.
- Several other bugs have been fixed.



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