Question

What is Echo?
What happens if echo jump into all walls?
What is Pitch?

Huge points please answer

Answer 1

1. a sound that is repeated as it is sent back off surface such as the Wall of tunnel .
2. I do not no the answer.
3. a special area of ground where you play certain sports.

Answer 2

Answer:

ln audio signal processing and acoustics, echo is a reflection of sound that arrives at the listener with a delay after the direct sound. ... Typical examples are the echo produced by the bottom of a well, by a building, or by the walls of an enclosed room and an empty room.

• For other uses, see Echo (disambiguation).

For other uses, see Echo (disambiguation).In audio signal processing and acoustics, echo is a reflection of sound that arrives at the listener with a delay after the direct sound. The delay is directly proportional to the distance of the reflecting surface from the source and the listener. Typical examples are the echo produced by the bottom of a well, by a building, or by the walls of an enclosed room and an empty room. A true echo is a single reflection of the sound source.

• Pitch is a perceptual property of sounds that allows their ordering on a frequency-related scale, or more commonly, pitch is the quality that makes it possible to judge sounds as "higher" and "lower" in the sense associated with musical melodies