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- Windows
ISBN 1-928550-00-2
Single copy $100.00 High School Site License $250.00 10-copy lab pack $400.00
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Audioscope
Gregory Marlow
New Version - 1.5
Now works with Windows NT/2000
Audioscope will strike the right note in your classroom or lab when you turn it on for in in-depth look at the science of sound. By capitalizing on current hardware technology, this program emulates the basic functions of the oscilloscope and the audio spectrum analyzer. These instruments have been staples in a variety of fields-from music and engineering to physics, biology, and psychology-but it is only recently that analysis capabilities have been transferred successfully to the computer platform.
You can experiment with a variety of sounds and analyze the resulting audio waveforms using three different high-resolution displays: real-time sonogram, spectrogram, and waveform graphical display. Sound waves are converted to analog electrical signals using the computer's microphone. The sound card then converts the signal to a stream of digital data, which is used to generate the waveform mode. Audioscope uses Fast Fourier Transform to rapidly compute the the amplitude and phase at predefined frequencies, generating the spectrogram mode. Sonograms are comprised of multiple spectrograms that are color coded and arranged by amplitude. An averaging feature lets you extract weaker sounds form noise in order to fine-tune the experiment, and measuring cursors are included for quantitative analysis.
Audioscope guarantees a fun and educational learning experience. You can experiment with familiar sounds in real time, or you can play with the program's sample music scale which showcases the trumpet, violin, and piano. Audioscope also includes other intriguing demonstrations, available with just the click of your mouse: biophysics of speech production, touch-tone phone analysis, the effects of helium gas on speech, analysis of amplitude modulated signals, and the principle of signal averaging. 37 pp.
System Requirements:
Your computer system and hardware configuration should be any PC computer or later with the
following features:
- 75 MHz Pentium (or equivalent performance) processor preferred
- Microsoft Windows 95/NT or later
- Hard disk with 1 MB free space
- 16 MB of RAM
- Sound card
- Microphone (consult sound card User's Guide for microphone requirements)
- Windows
ISBN 1-928550-00-2
| Single copy | $100.00 |
| High School Site License | $250.00 |
| 10-copy lab pack | $400.00 |
© 1999 by Physics Academic Software Publishing Organization. All rights reserved.
- Part of the SPECIALITY TITLES
SERIES
AWARDSComputers in Physics
Award for Educational Software
California Instructional Technology Clearinghouse
Desirable
REVIEWS- "Easy to use, colorful, and interesting... excellent for demonstrating wave phenomena in a physics classroom."
- Eileen Klimick,
The Mathematics Teacher
January 1998
MORE PICTURES- Sonogram mode
- Spectrogram mode
- Spectrogram averaging mode
- Waveform mode
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