Sound Card Signal Generator is a powerful PC based virtual instrument. It consists of a sound card based Signal Generator and an off-line Oscilloscope. 1. The dual channel Signal Generator (Sweep/Arbitrary/Function/Burst Generator) provides the following types of waveform for output: (1) Sine (2) Square (3) Triangle (4) Saw Tooth (5) White Noise (6) Pink Noise (7) Multi-tones (8) Arbitrary via user-configurable waveform library (9) MLS (10) DMTF (11) Musical Scale at either a fixed frequency, or a frequency that sweeps linearly or logarithmically within specified frequency range and time duration. Amplitude sweep is also supported. 2. The dual-channel off-line Oscilloscope provides four types of views: (1)Wave form display of Channel A and Channel B (2)Wave form display of Channel A + Channel B (3)Wave form display of Channel A - Channel B (4)Wave form display of Channel A x Channel B (5)Lissajous Pattern display for Channel A and Channel B The off-line Oscilloscope can be used to view the signal generated by the Signal Generator. It can also be used to view the WAV files recorded by other sound recording software. Visit www.virtins.com for further details.