Template:UgSoundSensor: Difference between revisions

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===Sound Pressure Level Sensor===
===Sound Sensor===
Double-click on the Sound Sensor object, labelled ''Sound Phidget'', in order to run the example:
[[Image:SPL_Example.jpg|link=|900px|center]]


[[Image:SPL_Example.jpg|link=|900px]]


When you double click on a Sound Sensor object, a window like the one pictured will open.
{{UGExampleDescription}}
 
* Modify the change trigger and/or data interval value by dragging the sliders. For more information on these settings, see the [[Data_Rate_and_Change_Trigger|data interval/change trigger]] page.
* In the top-left of the window, information about your device and the properties of this particular channel will be listed.
* Use the ''SPL Range'' drop-down menu to select the lowest possible range that the level of sound you're measuring will fall within (smaller ranges have higher resolution).
* On the left, change trigger and/or data interval can be changed. For more information on these settings, see the [[Data_Rate_and_Change_Trigger|Data Rate/Change Trigger]] page. You can also select between two different SPL ranges. Always select the lowest possible range that the level of sound you're measuring will fall within, as smaller ranges have higher resolution.
*Use the ''Speaker Beep'' tool to emit a 2.5 second beep of the specified frequency. View the frequency bands and see how they respond.
* On the bottom-left, you can push a button to make your computer's speakers emit a 2.5 second beep of a certain frequency. If you do this while holding the sound sensor near the speaker, you can test if it's detecting the sound and its frequency correctly.
* In the middle of the window, you can see numbers for the current SPL readings. For information on the difference between '''dB''', '''dBA''' and '''dBC''', see the [[#Technical_Details|technical section]].
* On the right, there's a live graph of the sound detected by the sensor. Each bar represents a certain frequency band, labelled on the top, and the size of the bar and the number on the bottom represent that frequency's magnitude. Try using the speaker beep or your own voice to test the frequency detection.

Latest revision as of 22:47, 20 June 2017

Sound Sensor

Double-click on the Sound Sensor object, labelled Sound Phidget, in order to run the example:

SPL Example.jpg


General information about the selected object will be displayed at the top of the window. You can also experiment with the following functionality:

  • Modify the change trigger and/or data interval value by dragging the sliders. For more information on these settings, see the data interval/change trigger page.
  • Use the SPL Range drop-down menu to select the lowest possible range that the level of sound you're measuring will fall within (smaller ranges have higher resolution).
  • Use the Speaker Beep tool to emit a 2.5 second beep of the specified frequency. View the frequency bands and see how they respond.
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