Answer:
The correct answer is b. Compressed sound.
Explanation:
Compressed sound from a technical point of view occurs when a decrease in the range between the sounds that are loudest and the sounds that are the quietest occurs.
During sound compression the dynamic range between said sounds that are quieter and said sounds that are the loudest gets reduced.
This is done by amplifying the quiet sounds and attenuating the sounds that are the loudest.
In this particular case, by amplifying soft sounds but not loud sounds, digital hearing aids produce:
b. Compressed sound.
