Re: Calibrate soundlevels recorded from microphone with data measured from sound meter

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To be more clear. The fist recording will be for calibration. The next
step is to use the calibratd data to determine soundelevels from my
long-term meetiong and show that in a plot.

On 3/6/17, Peter Holm <mittinternetjag@xxxxxxxxx> wrote:
> I have to do  a long term meeting of soundlevels. I use a condenser
> microphone  and a cheap soundmeter.
>
> My plan is frpm one speaker 1 meter from the microphones  send sine
> waves and place the sound meter beside the microphone. Record the
> sound  then adjust the line in level so the in-signal is the same as
> measuered on the soundmeter.
>
> The results from the following measuremt will be 1 minute long  wav
> files and a plot from the file.
> I plan to record the files once each ten minutes.
>
> So : How do I compare  data from recorded files and calculate the
> correct decibel-levels.?
>
> And why I not use a better sound-meter plugged in to the computer, it
> is becasue they all have to bad range in frequenzy..
>

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