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Echo - Wikipedia


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 ...

What causes echoes? | 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 ...

Echo Crater


Echo Crater. In this adventure, you'll get to yell as loud as you want into a pit crater!! But, first let's learn what causes echoes and then find out how pit craters are ...

Reflection: Echo vs. Reverberation - The Physics Classroom


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 to Eliminate Echo on a VoIP Phone - SlideShare


Feb 10, 2015 ... The most common cause of echo occurs when the receiver volume is turned too high on your telephone handset. To resolve this issue, try the ...

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.

Echo Troubleshooting Guide - Polycom Support


ACOUSTIC ECHO. This is caused when a remote location calls into a local room via a handset, telephone hybrid, video codec, or other communications device.

How to Cancel the Echo on a Cell Phone | Techwalla.com


The basic cause of echo during a cell phone conversation is from "sidetone," a process that allows you to hear your own voice in your cell phone's speaker as ...

Why Do Phones Have Echoes? | Techwalla.com


That annoying echo you sometimes hear in your cell phone, VoIP (Voice over Internet Protocol) connection or land-line phone could have many causes, and ...

VoIP Echo Technical Tutorial | Causes of Echo in VoIP and what you ...


Understanding VoIP Echo is the first step to be able to eliminate it. Here's how to isolate voip echo, correct it and improve your call quality.

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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 ...

Causes of Echo - voip-info.org


Causes of echoIn Brief:Its most likely your echo is caused by the far-end point. The loudness of the echo on VoIP calls is no worse than PSTN calls.

I hear an echo on my conference call, why? | United States ...


Feb 20, 2009 ... If you hear an echo on your conference call, there is most likely someone (or ... call that has a speaker/microphone that is causing the feedback.