The use of the terms #transformer and #transducer seems somehow different in #AI than in other #engineering disciplines.

In engineering a “transformation” means altering the #form of the same #substance and “transduction” is used when the form is “produced” in another (different) substance.

For example, a #transformer will change (reduce or increase) the voltage “pressure” of an AC current source while a #transducer such as a microphone will change an acoustic pressure (wave) to an electric signal.

https://www.assemblyai.com/blog/an-overview-of-transducer-models-for-asr/