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BOS1901-KIT
User Guide
Use Audacity and dc-offset Plugin to Create a New Waveform.
C.3
Description
In this example, we explain how Audacity can be used to create a new sinusoidal waveform in the range
of the TDK piezo supplied with the kit (-10 V to 60 V).
In this example the waveform parameters are:
• Amplitude peak to peak = Piezo Vmax – Piezo Vmin = 60 – (-10) = 70 V
• Frequency = 125 Hz
• Duration = 10 sec
Prerequisites
• BOS1901-KIT board is in audio mode. Refer to section 8.5.2 for more information regarding Audio
mode.
• The audio limiting settings of the board are properly configured (Details section 8.5.2.2)
• Audacity and the dc-offset plugin are installed.
3
Steps
1. Open Audacity.
2. Select the Speakers (Boreas DevKit) from the playback device selection menu.
3. In the bottom left corner of Audacity, set the project rate to 8000 Hz.
4. In the application menu, select the Option "Generate / Tone".
BT001DDK04.01 – Issue 1
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Figure 40: Audacity – simple waveform creation
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