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help me to design the system for
MONITORING AND MAPPING OF ENVIRONMENTAL NOISE
which also disply the result in db..
plz help me to find out some circuit diagram related this topics.
Anyone please help me to design the Environmental noise monitoring system ,...
first part is to design the analog part..
which consists of the microphone,preamp circuit, A frequency weighting circuit,
C frequency weighting circuit and logarithmic amplifiers,,,
please help me on the circuit...
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