Daqarta
Data AcQuisition And Real-Time Analysis
Scope - Spectrum - Spectrogram - Signal Generator
Software for Windows Science with your Sound Card! |
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The following is from the Daqarta Help system:
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Features:OscilloscopeSpectrum Analyzer 8-Channel
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Applications:Frequency responseDistortion measurementSpeech and musicMicrophone calibrationLoudspeaker testAuditory phenomenaMusical instrument tuningAnimal soundEvoked potentialsRotating machineryAutomotiveProduct testContact us about
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Sound Card Wave Dialog - Generator Stream Controls: Generator Dialog >> Stream >> Wave
This button opens a dialog that allows you to select the type of waveform generated by the Stream. Below it is a status indicator that shows the current selection. The default is 'Sine'. The Wave dialog options are in three groups: Those at the top are regular waveforms including Sine, Triangle, Ramp, Square, and Pulse. Below those are Arb and Play, for waveforms that are loaded as separate files. (Note that in addition to the standard waveforms, Arb allows easy access to 38 non-standard waveforms included with the Daqarta distribution as .DAT files. These were created with the Arb_From_Equation macro Mini-App, which incudes full code and waveform images, and allows easy modification for creating your own waveforms.) At the bottom of the Wave dialog are random Noise options, including White, Gauss, Pink, and Band. Clicking on a Wave dialog button selects that waveform type. For Ramp, Pulse, Arb, Play, Gauss, and Band types this action also opens a special dialog with additional controls that are specific to the wave type. Macro Notes: WaveDlg=1 opens the Wave dialog if the Stream dialog is open, WaveDlg=0 closes it, and WaveDlg=x toggles between open and closed. Note that you do not need to open this dialog to change controls directly via macro command. Use channel and stream prefixes with the Wave macro to set the Wave type, such as L.0.Wave=Sine to set Left Stream 0. You can set Wave types by name, as in L.1.Wave=Tri, or you can use numeric values, variables, or expressions for setting, reading, or IF testing. For example, L.1.Wave=A + B would set Pink if A + B equals 9. 0 = Sine 1 = Tri 2 = Ramp 3 = Square 4 = Pulse 5 = Arb 6 = Play 7 = White 8 = Gauss 9 = Pink 10 = Band Note that if you use a mnemonic in an IF test, it must be in quotes: IF.Wave="Tri". See also Waveform Stream Controls, Signal Generator Control Dialog |
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