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 proportional
An echo occurs when a sound wave reflects back towards its source after hitting
... one continuous sound rather than the separate sounds that make up an echo.
Echo - Echoes and Doppler shift are two effects that are key to understanding
radar. Learn about echoes, Doppler shift and sonic booms.
Jul 25, 2014 ... When you make a sound, sound waves travel through the air. You first hear that
... If only one obstacle reflects the sound, you'll hear only one echo, a simple echo
. ... What happens when two oceanic plates collide? What are ...
Ordinarily echo is not heard as the reflected sound gets merged with the ... from a
wall and sets up a simple pendulum which makes three vibrations per second.
Jun 10, 2014 ... This time basically tells you how long any echo can be heard. ... the surroundings
if that happens you won't be able to hear the echo. ... Simon Beuller, Isn't it
enough to know I ruined a perfectly good pony making a gift for you ...
www.voip-info.org/wiki/view/Causes of Echo
Dec 29, 2015 ... Causes of echoIn Brief:Its most likely your echo is caused by the far-end ... So
look what happens if the hybrid in the PSTN-VoIP gateway is ...
www.ask.com/youtube?q=Makes an Echo Happen&v=BYiCzWZ8cBs
Sep 25, 2008 ... Nice introduction to sound waves through echoes and explaining how some ...
Islam makes life beautiful and wonderful I have found that ...
Jan 6, 2012 ... Why when I shout in my room I do not hear any echoes? .... or other details, but to
hear echo you need to make the 'click' and pay attention. ... If you happen to
move all furniture and curtains out of a room the difference in ...
May 23, 2012 ... Sounds simple enough, but why does lightning even make a sound? ... The more
common rumbling effect happens when thunder echoes off ...