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1782Re: [SpectrumLabUsers] conversion RGB to dB

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  • wolf_dl4yhf
    Dec 5, 2013
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      I don't think so.
      How should such a program know the relationship between the R-G-B-mixture and the dB value, since the relationship is affected by so many factors (spectrogram colour palette which had been loaded at the time the screenshot was made, 'contrast' setting, 'brighness' setting) ? It would be a horrible job for a software to automatically 'analyse' the colour palette image, if superimposed somewhere on the screenshot at all.

      The only meaningful method for post-processing is to save the spectra (FFTed data), which is possible with spectrum lab in a different ways.

      All the best,
        Wolf .

      Am 04.12.2013 18:43, schrieb Hwbgn Hxggo:
       
      Is there a software to convert a RGB line of the spectrogram.jpg in a list of correspondent dB values?
       
      thanks,
      Cristiano

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