An electrical signal is converted into an acoustic wave (vibration) using a transducer, often piezoelectric.
The vibration travels through a medium—such as a liquid (mercury), solid (silicon, quartz), or gas (air)—at the speed of sound for that material. acoustic delay line
Acoustic delay lines have transitioned from foundational computing components to high-precision sensors: Sub-6dB Aluminum Scandium Nitride Acoustic Delay Lines An electrical signal is converted into an acoustic