Web Results

Echo

en.wikipedia.org/wiki/Echo

In audio signal processing and acoustics, echo is a reflection of sound that arrives at the ... The Echoplex is a tape delay effect, first made in 1959 that recreates the sound of an acoustic echo. ...

How are echoes created? | Reference.com

www.reference.com/science/echoes-created-fafd0d1c0acfcadf

Echoes work through the reflection of sound waves. When a person shouts into a well or canyon, and they hear an echo, it is because the sound waves reflect ...

How Are Echoes Made? | eHow

www.ehow.com/about_7222124_echoes-made_.html

Echoes are the repetition of a sound, typically heard in big, empty spaces. Echoes may be experienced as a single repetition or as many repetitions of the ...

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 ...

How is an echo created - Answers.com

www.answers.com/Q/How_is_an_echo_created

echo is the second sound produced after reflection of sound waves on a rigid object.echo is produced only if the distance between the object producing the ...

What are echoes and how are they formed - Answers

www.answers.com/Q/What_are_echoes_and_how_are_they_formed

Sound that bounces back is called an echo and they are formed when sound waves are called ... Sound is actually created when little units of air move around, and together the little units of moving air are called "sound waves." An echo is what ...

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

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

As a result of reflection of sound wave from a large obstacle, the sound is heard which is named as an echo. Ordinarily echo is not heard as the reflected sound ...

www.ask.com/youtube?q=How Are Echoes Created?&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 | Define Echo at Dictionary.com

www.dictionary.com/browse/echo

Echo definition, a repetition of sound produced by the reflection of sound waves from a wall, mountain, or other obstructing surface. See more.

BBC Bitesize - KS3 Physics - Sound waves - Revision 1

www.bbc.co.uk/education/guides/z8d2mp3/revision

Sound waves are longitudinal waves that must pass through a medium, such as air. Echoes are reflections of sounds. The frequency of ultrasound is above 20 ...

More Info

How is an echo produced? | Reference.com

www.reference.com

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....

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

www.school-for-champions.com

Nov 9, 2005 ... Explanation of echoes made by sound. ... Special effects can be created with echoes reflecting off certain types of surfaces. Questions you may ...

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

www.dkfindout.com

Improve your knowledge on what an echo is and find out more about sound with ... bounce off the wall and travel back towards the person who made the sound.