dBdx
dBdx is a term that has seen some informal usage within specific technical communities, particularly those related to audio engineering and acoustics. It generally refers to the decibel change (dB) of a specific parameter or measurement relative to a reference point, often implied or contextual. The 'dx' part signifies a "delta" or change.
While not a formally standardized unit like dB SPL (sound pressure level) or dBm (power referenced to
The precise meaning of dBdx is entirely dependent on the context in which it is used. It