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Data acquisition system for PCs
DAQARTA (Data AcQuisition And Real-Time Analysis) is
shareware for DOS PC systems. You can download it from:
Daqarta does real-time waveform, spectrum, and color
spectrogram analysis. It provides stimulus signal
generation including pure tones, multi-tone bursts,
synchronous intermodulation test tones (for DPOAEs),
and digital pulse trains and test patterns.
Waveform or spectral averaging is available with artifact
rejection, exponential weighting, and remote start/stop.
Triggering controls include conventional internal slope /
level and auto modes, plus external TTL or internal stimulus
sync, with deep pre- and post- trigger data display. You
can use pre-trigger waveform averaging to perform "reverse
correlation" analyses by feeding a spike discriminator to
the external trigger input, for example.
A keystroke macro facility allows automation of repeated
tasks, such as rapid ABRs for threshold assessment. Data
can be saved or read in standard or enhanced .WAV file
format, raw or averaged, waveform or spectrum, single or
multiple trace, using optional auto-increment file names.
Extensive pop-up context-sensitive hypertext help is
provided, with plenty of hands-on tutorials and solid
low-math theory on subjects like dither, Fourier analysis,
and window functions. Engineering expertise is not
Daqarta supports a wide variety of laboratory-type data
acquisition boards as well as sound cards, using custom
Daqarta drivers. There is even a driver for user-built
boards (as simple as a handful of resistors) that plug into
a printer port, intended for student experiments but useful
in the lab. New board drivers are being added continually.
Daqarta is written in 100% assembly code, and it
self-optimizes to run at high speeds even on the old
"clunker" systems that get relegated to many labs. It's a
mature system, with over 10000 hours of development to date.
Registration has been set at only $99 per lab to insure that
cost will not be a barrier to anyone. There is also a $29
registration available for personal or hobby users. Best of
all, it's shareware... anyone can download it for unlimited
Your comments and questions are welcome.
D A Q A R T A
Data AcQuisition And Real-Time Analysis
Shareware from Interstellar Research
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