Schmidt (surname) Schmidt is a common German occupational surname derived from the German word Schmied meaning blacksmith and/or metalworker. This surname is the German equivalent of Smith in the English-speaking world.
The sound is called a bleat. As to what the sound actually sounds like, that depends on the breed of goat. My Nigerian dwarfs, on the other hand, make a sound similar to that of a sheep.
The rumbling of a truck engine is produced by low-frequency oscillation, so we hear it as a very low-pitched sound. Humans are born being able to hear a wide range of frequencies, but we certainly canât hear everythingâespecially sounds on the higher end of the frequency spectrum! Consider dog whistles, which canines can hear but we canât. Thatâs because dogsâ ears have evolved to detect such high-frequency sounds.