In audio signal processing and acoustics, echo is a reflection of sound that
arrives at the ... The reason of reflection may be explained as a discontinuity in
the propagation medium. This can be he...
When a person shouts into a well or canyon, and they hear an echo, it is because
the sound waves reflect from the canyon wall or ... science.howstuffworks.com.
As a result of reflection of sound wave from a large obstacle, the sound is heard
which is named as an echo. Ordinarily echo is not heard as the reflected sound ...
Echo definition, a repetition of sound produced by the reflection of sound waves
from a wall, mountain, or other ... The American Heritage® Science Dictionary
Echo and Reverberation - Reflected Sound Waves.
Improve your knowledge on what an echo is and find out more about sound with
DK Find Out for kids. ... Science. AW 187527 OUTERPLANETS PeterBull 2 ...
If you have ever been inside of a large canyon, you have likely observed an echo
resulting from the reflection of sound waves off the canyon walls. Suppose you ...
Nov 9, 2005 ... Explanation of echoes made by sound. ... An echo is the sound you hear when
you make a noise and the sound wave reflects off a distant ...
echo: According to Greek myth, a beautiful nymph named Echo fell hopelessly in
... The scientific explanation is that sound waves are reflected from flat surfaces.
Echo - Echoes and Doppler shift are two effects that are key to understanding
radar. Learn about echoes, Doppler shift and sonic booms.