Daqarta
Data AcQuisition And Real-Time Analysis
Scope - Spectrum - Spectrogram - Signal Generator
Software for Windows
Science with your Sound Card!
The following is from the Daqarta Help system:

Features:

Oscilloscope

Spectrum Analyzer

8-Channel
Signal Generator

(Absolutely FREE!)

Spectrogram

Pitch Tracker

Pitch-to-MIDI

DaqMusiq Generator
(Free Music... Forever!)

Engine Simulator

LCR Meter

Remote Operation

DC Measurements

True RMS Voltmeter

Sound Level Meter

Frequency Counter
    Period
    Event
    Spectral Event

    Temperature
    Pressure
    MHz Frequencies

Data Logger

Waveform Averager

Histogram

Post-Stimulus Time
Histogram (PSTH)

THD Meter

IMD Meter

Precision Phase Meter

Pulse Meter

Macro System

Multi-Trace Arrays

Trigger Controls

Auto-Calibration

Spectral Peak Track

Spectrum Limit Testing

Direct-to-Disk Recording

Accessibility

Applications:

Frequency response

Distortion measurement

Speech and music

Microphone calibration

Loudspeaker test

Auditory phenomena

Musical instrument tuning

Animal sound

Evoked potentials

Rotating machinery

Automotive

Product test

Contact us about
your application!

Trial Period And Beyond

You may evaluate Daqarta freely for 30 sessions or 30 days, whichever comes first. During that time all features are enabled. Afterward, the Input and Auto-Calibration features are unavailable unless you purchase Daqarta and install the license key file. (Juxt trace memory arrays, macro file saves, Remote Control, and Spectrum Limits testing require a Professional license.)

What if you don't really need those other features? You can still use the Generator and all the file analysis options, but you won't be able to look at input signals or perform an auto-calibration. You are welcome to use Daqarta this way as long as you like.

However, to maximize the usefulness of Daqarta if you choose not to purchase it, it is important to perform a calibration during the trial period. That way, you will still be able to use the calibrated dB output controls. You could always calibrate them manually later, but it's much easier to do it with Auto-Calibration while you have the opportunity.

Also, be sure to do the Full-Scale Range calibration if you want the Generator output display and cursor readouts to read in true volts. You can still change the output range values after the trials expire, but then you'll need some independent way to determine them, such as with a sensitive (expensive) AC voltmeter.

The number of trial sessions remaining (including the current one) is shown in the About Daqarta selection of the Help menu. After you purchase Daqarta, this changes to show your license ID.


See also Purchasing Daqarta

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