Note: we are sorry to say that new Liberty Audiosuite systems cannot be assembled, due to unavailability of the required Fiji or Pinnacle soundcards.
Please check out our new PRAXIS system!
Liberty Audiosuite version 3
Liberty Audiosuite (LAUD) is an audio measurement and analysis system utilizing the 20 bit Turtle Beach Fiji and Pinnacle DSP-based soundcards with PC based computers.
LAUD measures audio band frequency response, time domain responses, impedances, spectra, harmonic and intermodulation distortion, anechoic behavior, room acoustics, and a wide variety of other characteristics of loudspeakers and audio frequency electronics. At a fraction of the cost, it dramatically outperforms other computer-card based measurement systems. LAUD measures:
Frequency Response of loudspeakers and networks, including the ability to remove echoes. Measurements can include true phase and group delay. LAUD allows you to measure using your choice of MLS (very fast), Sinewave (traditional, noise-immune) or pink-noise based RTA techniques. Responses can be edited, combined, averaged or postprocessed to show perceived coloration.
Impedances of networks, and extraction of Thiele/Small Parameters for woofers. Measure inductors and capacitors at your choice of frequency and also show the parallel or series resistive (dissipation) component.... to determine the quality, not just the value, of the device.
Time domain characteristics, including impulse response, step response, dual channel oscilloscope, energy vs. time, cepstral echo analysis, and cumulative decay (waterfall).
Distortion, including Harmonic (individual products or Total Harmonic Distortion), or Intermodulation of arbitrary order and product using up to four simultaneous tones; plotted vs. stimulus frequency, vs. level, in pure spectral plot, as a cascaded dynamic 3D plot, or to display compression vs. drive level. Measurements can be configured as totally synchronous, allowing coherent signal averaging and measurement of distortion products even below ambient noise levels.
Intended for use as an Engineering and research tool, LAUD emphasizes flexibility -- most display and analysis parameters in LAUD are adjustable (after all, it would be easy to make software simple-seeming if it didn't do much!).
Yet for those needing simplicity and quick results without long learning curves, LAUD also provides EASY SCRIPTs -- built-in automated measurement procedures in a graphic environment that give on-screen setup diagrams as well as taking the user through step-by-step measurement procedures and option selections. Make meaningful measurements within minutes of installation!