The Tools menu gives you access to various sound utilities. Choose DTMF/MF Tones to insert the sound of a telephone dialing into your sound file. Select Statistics and see statistical information about the selected part of your sound file. The Synthesis tool will create a tone of a given pitch and length.

Following are some practice exercises so that you can familiarize yourself with each of the tools.

PRACTICE:

1. Open a sound file.
2. Pull down the Tools menu and select Statistics.
3. A window with all sorts of statistics on the sound wave will appear.
4. Click the Help button to see an explanation of the various statistics.
5. When done, close the Help file and click OK.

PRACTICE:

1. Open a sound file.
2. Pull down the Tools menu and select Synthesis. An options dialog box will appear.
3. Select Sine from the Waveform Shape list.
4. Enter 3 in the Length field and 261.52 in the Frequency field.
5. Specify whether you want the tone to be inserted at the beginning of the sound file, at the end, or at the current location of the cursor.
6. Click OK. A sine wave will be generated in the data window that is 3 seconds long, and has a pitch of 261.52 Hz (Middle C).
7. Click Play to hear your tone.
8. Pull down the Edit menu and select Undo to reverse the change.
9. Try some other waveform shapes!

PRACTICE:

1. Open a sound file.
2. Pull down the Tools menu and select DTMF/MF Tones. An options dialog box will appear.
3. Enter a phone number in the Dial String field.
4. Select DTMF as the tone style (this is the style of standard push-button telephones).
5. Adjust the Amplitude control; this determines how loud the tones will be.
6. Specify whether you want the tones to be inserted at the beginning of the sound file, at the end, or at the current location of the cursor.
7. Click OK to generate the tones.
8. Click Play to hear the tones of the phone number you specified.
9. Pull down the Edit menu and select Undo to reverse the change.

Copyright © 2002, Bloomsburg University Virtual Training Help Center.
All rights reserved. This material may not be used without permission.
Contact Dr. Mary Nicholson at mjnich@bloomu.edu