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.
An echo is caused by the reflection of sound waves at some moderately even
surface, such as the wall of a building. The waves of sound on meeting the
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 ... Sound travels in waves, much the same way ripples of water travel in the ocean.
When you make a sound, sound waves travel through the air.
Improve your knowledge on what an echo is and find out more about sound with
DK Find ... Making a sound causes waves of vibration to move through the air.
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 ...
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.
Apr 16, 2016 ... The are echoes in the air, in the cave, in water or in the ground. Well ... What
causes echoes in a cell phone when speaking? How can I reduce ...