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marvin:lab3 [2008/09/19 12:28] – riepermarvin:lab3 [2008/10/09 21:23] – rieper
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 **Participants:** Bent and Johnny\\  **Participants:** Bent and Johnny\\ 
  
-In this lesson we will use the NXT sound sensor to turn the LEGO 9797 car into a sound controlled+**Purpose** In this lesson we will use the NXT sound sensor to turn the LEGO 9797 car into a sound controlled
 car. car.
  
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 The sound was that of Bent speaking directly into the microphone, thus utilizing the entire span of the power spectrum.\\ The sound was that of Bent speaking directly into the microphone, thus utilizing the entire span of the power spectrum.\\
 The recorded samples can be seen below (MatLab plot):\\ The recorded samples can be seen below (MatLab plot):\\
-{{:marvin:Lab3-micsamples.png}}+{{:marvin:Lab3-micsamples.png}}\\ 
 +Notice that the time resolution is poor due to the low sampling time. When playing back in Wave format it is impossible to recognize any spoken words. Yet the microphone is suitable for recognizing clapping sounds and the like, where you basically just want to measure the amplitude level. 
  
 ====Sound Control==== ====Sound Control====
marvin/lab3.txt · Last modified: 2008/10/09 21:33 by rieper