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!

Sound Card Spectrogram / Pitch Track Controls

Controls: Sgram/PT Dialog
Macro: SgramDlg

The Spectrogram / Pitch Track control dialog can be activated from the Edit menu (ALT+E, M), or by clicking on the thin unlabeled button under the toolbar Sgram/PT button, or via the CTRL+M accelerator key ("Control SgraM").

The dialog includes Pitch Track Toolbox options, plus access to the Spectrogram Color Palette dialog. For convenience, there are also duplicates of the eXpand controls that are otherwise found in the X-Axis dialog. Here they expand the vertical (Y) axis, which you can also do by dragging the Y-axis extents up or down, or by using the horizontal scroll arrows at either end of the X axis.

Macro Notes:

SgramDlg=1 opens the Spectrogram / Pitch Track dialog, SgramDlg=0 closes it, and SgramDlg=x toggles between open and closed.

Note that you do not need to open this dialog to change its controls directly via macro commands.


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