What does ddf stand for?

ddf stands for "Depth-duration-frequency"

How to abbreviate "Depth-duration-frequency"?

"Depth-duration-frequency" can be abbreviated as ddf

What is the meaning of ddf abbreviation?

The meaning of ddf abbreviation is "Depth-duration-frequency"

What does ddf mean?

ddf as abbreviation means "Depth-duration-frequency"