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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


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


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 ...

Echo - How Radar Works | HowStuffWorks


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

What Makes an Echo? @ Super Beefy


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.

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


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.

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 ...

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 ...

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


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.

Why do echoes happen? - Quora


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 ...

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how does an ECHO happen? | Yahoo Answers


Oct 26, 2008 ... But something else has to happen as well; just bouncing won't make an echo. After all, you don't hear an echo when you yell in your bedroom, ...

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


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 ...

Reflection: Echo vs. Reverberation - The Physics Classroom


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 ...