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See media help. 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 the distance of...

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


Nov 9, 2005 ... An echo is the sound you hear when you make a noise and the sound wave ... Special effects can be created with echoes reflecting off certain types of surfaces. .... Use your knowledge and skills to help others succeed.

How To Reduce Echo in a Room | Apartment Therapy


Jul 29, 2013 ... Positioning soft surface items on parallel surfaces will especially ... A flutter of echoes can make any space feel clinical, cold and uninviting. ... use rigid fiberglass matts, the kind they use to cover A/C ducts with. ... Need help?

Room Echo - Alectro Systems Inc.


Although a highly reverberant room can make a choir or organ sound great, it is ... Excessive room echo is caused primarily by two things - hard surfaces and high ... A ceiling made with acoustic tile is a big help, not only for reducing echo, but ...

Acoustics/Basic Room Acoustic Treatments - Wikibooks, open books ...


... knowledge on acoustics and then explain some solutions that will help improve sound quality in a room. ... All of the other sound is reflected off surfaces before they reach the listener. ... It can also affect tonal quality and create an echo-like effect. ... Each reflection type is important in creating a "theater" type ...

How to Stop Echoes in the Home | Home Guides | SF Gate


Reduce home echoes even further by softening hard wall surfaces with fabric wall ... in your home should include some type of sound absorbing material to help hamper the path of sound ... Make the bed with both sheets and a thick comforter.

Advice for echo in the room? (Microphone/Sound Proofing ... - Wistia


Think of the sound sources as being light sources, and think of flat, hard surfaces as mirrors. Any place where those "mirrors" would produce a glare, your sound ...

Science Explorations: Journey Into Space: Sound and Ultrasonics ...


The everyday world is filled with all kinds of sounds -- the murmur of voices, the ... In order for you to detect a definite echo, the reflecting surface must be at ... can be positioned in a room, especially auditoriums and concert halls, to help create  ...

echo - Dictionary Definition : Vocabulary.com


When sound waves hit a hard surface they might reflect, making the sound bounce and repeat. If you agree with someone, you might echo his or her statement. ... Types: re-echo ... Help Articles / FAQ · Training & Webinars · Contact Support ...

Parabolic Surfaces - HyperPhysics


Any time the surfaces of a room focus the sound which is reflected from them, ... produce a pattern of reflections known as a "flutter echo" as the sound waves ...

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Reflection of Sound - NDE/NDT Resource Center


What happens when a sound wave hits a concave shaped surface? ... Echoes are the sound of your own voice reflecting back to your ears. ... waves overlap and interfere with each other and the original waves, making the sound less clear .

Absorbing Echo - Acoustical Surfaces


Absorbing echo is vital for acoustical effectiveness in large spaces. ... We can help you solve outdoor acoustical problems with our durable portable panels, ...

The Five Main Types of Reverb, and How to Mix with Them ...


Nov 3, 2013 ... Reverb is a sound that echoes, but the echoes that create ... echoes in. A square room provides many less reflective surfaces than a cathedral.