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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 ... Acoustic waves are reflected by walls or other hard surfaces, such as mountains and privacy fences. Th...

Reflection: Echo vs. Reverberation - The Physics Classroom

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

If you have ever been inside of a large canyon, you have likely observed an echo resulting from the reflection of sound waves off the canyon walls. Suppose you ...

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 ...

Sound Reflection, Reverberation, Echo Sound | Physics@TutorVista ...

physics.tutorvista.com/waves/sound-reflection.html

In constructing sound, there must be a source for a sound. The source of a sound wave is vibrating object. The Vibrating ...

www.ask.com/youtube?q=Sound Waves Echo&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...

How is an echo produced? | Reference.com

www.reference.com/science/echo-produced-1cfae95feb4f7502

Echoes are created by sound waves being reflected off of a large obstacle. Conditions have to be just right for the echo to be heard as a separate sound....

GCSE PHYSICS - Reflected Sound Wave - What is an Echo? - What ...

www.gcsescience.com/pwav11.htm

Echo and Reverberation - Reflected Sound Waves.

Why is an echo weaker than the original sound? | Reference.com

www.reference.com/science/echo-weaker-original-sound-dddf591cea537641

An echo is weaker than the original sound because the sound wave imparts energy to the surface from which it bounces. When a sound wave is directed at a  ...

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 a hard surface. Although the surface may absorb some of the sound, the ...

Echo | Mini Physics - Learn Physics Online

www.miniphysics.com/echo.html

Sound waves can be reflected by large, hard surfaces like buildings, walls and cliffs. Reflection of sound occurs just like the reflection of light.

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Reflection, Refraction, and Diffraction - The...... sound waves and ...

www.physicsclassroom.com

This gives the room more pleasing acoustic properties. Reflection of sound waves off of surfaces can lead to one of two phenomena - an echo or a reverberation.

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

www.dkfindout.com

An echo is a sound that is repeated because the sound waves are reflected back. Sound waves can bounce off smooth, hard objects in the same way as a ...

Reflection of Sound - NDE/NDT Resource Center

www.nde-ed.org

What happens when a sound wave hits a concave shaped surface? Is the sound ... Echoes are the sound of your own voice reflecting back to your ears.