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A Guide to the Amphibians
and Reptiles of California


Waveform and Sonogram Images








observation link


sonogram
Both images are read from left to right.

The top image is a depiction of the Waveform of the sound, which you can listen to here.

The X axis (on the bottom) shows the time or duration of the sound, measured in seconds.
The Y axis (on the left) shows the volume of the sound. The higher the blue drawing is above the zero line, the louder the sound.


The bottom image is a Sonogram.

The X axis (on the bottom) shows the time or duration of the sound, measured in seconds.
The Y axis (on the left) shows the pitch of the sound, measured in kHz (1 kHz = 1000 cycles per second.)

Higher pitched sounds appear higher.
Louder tones are shown in a brighter color.
Longer tones are shown as longer marks (left to right.)





The waveform/sonogram images were created using Raven software from the Cornell Lab of Ornithology.


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