what the difference between the following two figures by specgram

Hi;

The following two figures are plot by using (specgram) function. They have a same frequency values but they're different in color. My question: Are they difference? what mean this difference? What the cause of different color? Can I make the same color for both?

please help me and thank you for answer......

Answer 1

[Dishant Arora]

As far as I know they have different colormaps, probably second is jet colormap and first seems to be coustmized.

doc colormap

Ans yes you can make them same:

map = get(figure1Handle ,'Colormap')
set(figure2Handle , 'Colormap' , map)