Virtins Sound Card Signal Generator 

It consists of a signal generator and an off-line oscilloscope. It provides sine, square, triangle, saw tooth,white noise, pink noise, multi-tones, arbitrary wave form generation including sweep function. Visit www.virtins.com for further details.
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Sample Champion 

Powerful real-time software tool designed for high precision acoustic measurements. Impulse Response of a room measurement, loudspeaker Frequency Response analysis. Designed for acoustical technicians, sound engineers, scientists and students.
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