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.. > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Sox-users mailing list Sox-users@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/sox-users