SigJenny turns your PC into a flexible and powerful signal generator for free! It generates numerous different waveshapes, can sweep them or arrange them as tone bursts, graphically display them, and do a very good impression of a police car. The output can be a single frequency or swept, or a single or repeating tone burst. The input from a microphone can be shown and the output frequency can be specified as musical pitch!
AMPHIOTIK ENHANCER is a powerful 3D-Audio system, which processes standard stereo audio and converts it into an enhanced, rich 3D stereo output, increasing dramatically the listening experience. You can place the channels of your tracks in a fully customizable 3D Virtual Auditory Environment surrounding you, and experience a complete immersion.
NWin is a loudspeaker production test system using a standard soundboard. The user creates the tests they need and then combines them to create a test sequence. NWin can make sophisticated pass or fail decisions on frequency response (there are multiple measured frequency responses), polarity and other functions, and report on production performance.
Sonic beacon is a PC-based test and measurement system for the testing of loudspeakers using a low cost microphone, preamp and a commercially available Windows multimedia sound card. Sonic beacon will perform impedance, frequency and phase response, harmonic and inter-modulation distortion, sensitivity as well as other FFT and real time analysis tests, Sixteen bit sampling rates up to 192 kHz and FFT lengths up to 128K points are supported.