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Echo - Wikipedia

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 echoes? | Reference.com

www.reference.com/science/causes-echoes-23ef478eefebb49

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 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 ...

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.

Why do echoes happen? - Quora

www.quora.com/Why-do-echoes-happen

Apr 16, 2016 ... What type of echo are you saying? The are echoes in the air, in the cave, in water or ... How can I make echoes like The Weeknd on FL studio 12? What is photosynthesis and how does it work? What are echoes? How are they ...

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 ...

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

www.school-for-champions.com/science/sound_echoes.htm

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 ...

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...

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.