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Echo

en.wikipedia.org/wiki/Echo

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 to ...

How does an echo occur? | Reference.com

www.reference.com/science/echo-occur-60d3710e1fc2cab2

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.

What Causes An Echo? - Chest of Books

chestofbooks.com/reference/Wonder-Book-Of-Knowledge/What-Causes-An-Echo.html

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 surface ...

Reflection: Echo vs. Reverberation - The Physics Classroom

www.physicsclassroom.com/mmedia/waves/er.cfm

Echo vs. Reverberation. Sound is a mechanical wave which travels through a ... a medium by particle interaction is what makes a sound wave a mechanical wave. ... This echo results from the reflection of sound off the distant canyon walls and ...

Echo - How Radar Works | HowStuffWorks

science.howstuffworks.com/radar1.htm

Echo - Echoes and Doppler shift are two effects that are key to understanding radar. Learn about echoes, Doppler shift and sonic booms.

What Is An Echo | Reflection Of Sound Waves | DK Find Out

www.dkfindout.com/us/science/sound/echoes/

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.ask.com/youtube?q=Makes an Echo Happen&v=BYiCzWZ8cBs
Sep 25, 2008 ... Nice introduction to sound waves through echoes and explaining how some animals rely on sound echoes to find their prey...

Echoes, Sound, Science, Science Tutoring | Tutorvista.com

www.tutorvista.com/content/science/science-i/sound/echoes.php

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.

Causes of Echo - voip-info.org

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 ...

Why do caves echo but other enclosed areas don't? - Quora

www.quora.com/Why-do-caves-echo-but-other-enclosed-areas-dont

Jun 10, 2014 ... They do, but you just can't distinguish it from the source. The varying degrees of ... by the surroundings if that happens you won't be able to hear the echo. ... to thrive under austere conditions, this can make all the difference.

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What causes echoes? | Reference.com

www.reference.com

An echo is caused when sound waves bounce off of a surface and travel back to the ears. Echoes commonly occur when loud sounds are emitted into an empty ...

What Makes an Echo? @ Super Beefy

superbeefy.com

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.

Sound Echoes by Ron Kurtus - Succeed in Understanding Physics ...

www.school-for-champions.com

Sound Echoes. by Ron Kurtus (revised 9 November 2005). An echo is the sound you hear when you make a noise and the sound wave reflects off a distant ...