Lego Sound Sensor calibration

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legoesl
legoesl il 13 Ago 2012
Hello,
Does anyone have experience in calibrating the sound sensors in Matlab? I'm using the RWTH Mindstorms NXT toolbox. With one sensor on left and one on right, i'm trying to tell the direction of a sound source. Under the same environment, the majority of data from the left is greater than from the right.
in Matlab i have
left = GetSound(SENSOR_3);
right =GetSound(SENSOR_2);
The delay in the collections may be a problem. Is there a way to collect data from two sound sensors at the same time in MatLab?
Thanks a lot!
  1 Commento
Rolfe Dlugy-Hegwer
Rolfe Dlugy-Hegwer il 24 Ago 2012
Are you using intensity or time-of-arrival(delay) to determine direction? I don't think the NXT can take simultaneous samples from two separate sensors. I wonder if you could use two condensers and hack together a two-channel sound sensor?

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