• Article

    Sound quality

Dr Sound explains the reverb phenomenon

Hi, John-Erik here again. Or as some of you might know me, as Dr Sound, acoustic designer here at Konftel. In this post we will me address another common sound phenomenon, namely reverb.

Reverb and decay are all terms used to describe a gradual decrease in sound. It is measured in the unit RT 60, which is the time in seconds it takes for an impulse sound to decrease by 60 decibel. Most of the sound picked up by a conference telephone microphone, comes directly from the speaker's mouth. But the microphone will also pick up sounds of the speaker's voice that has bounced around in the room. This bouncing is what causes the reverb.

Reverb is the time in seconds it takes for a sound to decrease by 60 db.

 

This bouncing of sounds is really what gives a room its character and it varies depending on the size of the room, the wall, floor and ceiling materials as well as the temperature. The shape of a room also has an effect. Sound in a long hallway is perceived quite differently than sound in for example a smaller conference room. When recording music or video, reverb can be used as an effect to create a fuller sound or to simulate a specific ambiance like a large church or a smaller room. Too much reverb can interfere with the direct sound and mask it. In a teleconference for example, too much reverb can decrease the clarity of the sound , making it harder to hear what is being said. This can be avoided either by dampening or improving the acoustics in a conference room. Or just by sitting closer to the microphone, so that direct sound isn't masked by reverb.

 

Too much reverb can decrease the clarity of the sound. This can be avoided by dampening or improving the accoustics in a room.

 

To eliminate this problem, conference phones can utilize various microphone techniques depending on how the phones will be used. Microphone placement and configuration are two examples of techniques that can be utilized to solve reverb issues. Equalization is another way of improving sound quality by bringing out the nuances of speech.

The goal is that conference phones should work satisfactorily even in difficult environments. Everyone should also be able to sit comfortably during the conversation and not need to hunch over their phones to hear or be heard.

Do you want to hear me talk about reverb and listen to some examples? Check out this video that covers it.

Trouver un revendeur

Jörgen Rönnqvist
Jörgen Rönnqvist
Area Sales Manager Nordic and Baltic countries

Mattias Hedin
Mattias Hedin
Key Account Manager



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Jeff May
Jeff May
Regional Sales Director



Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Peter Gasparro
Peter Gasparro
Regional Sales Director

Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Nipun Khanna
Nipun Khanna
Regional Sales Manager - India & Middle East



Peter Gasparro
Peter Gasparro
Regional Sales Director

Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Peter Gasparro
Peter Gasparro
Regional Sales Director

Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Peter Gasparro
Peter Gasparro
Regional Sales Director

Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Simon Chin
Simon Chin
Regional Sales Director APAC



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Jörgen Rönnqvist
Jörgen Rönnqvist
Area Sales Manager Nordic and Baltic countries

Mattias Hedin
Mattias Hedin
Key Account Manager


Votre revendeur local

Afficher tout
Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Jörgen Rönnqvist
Jörgen Rönnqvist
Area Sales Manager Nordic and Baltic countries

Mattias Hedin
Mattias Hedin
Key Account Manager



Jörgen Rönnqvist
Jörgen Rönnqvist
Area Sales Manager Nordic and Baltic countries

Mattias Hedin
Mattias Hedin
Key Account Manager


Votre revendeur local

Afficher tout
Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220
Holger Klenner
Holger Klenner
Key Account Manager Germany
+49 (0)2173 499 5841
Lothar Schumann
Lothar Schumann
Channel Sales Germany
+49 (0)336 386 0597


Votre revendeur local

Afficher tout
Jörgen Rönnqvist
Jörgen Rönnqvist
Area Sales Manager Nordic and Baltic countries

Mattias Hedin
Mattias Hedin
Key Account Manager



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Peter Gasparro
Peter Gasparro
Regional Sales Director

Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Simon Chin
Simon Chin
Regional Sales Director APAC



Jörgen Rönnqvist
Jörgen Rönnqvist
Area Sales Manager Nordic and Baltic countries

Mattias Hedin
Mattias Hedin
Key Account Manager



Nipun Khanna
Nipun Khanna
Regional Sales Manager - India & Middle East



Jeff May
Jeff May
Regional Sales Director



Peter Gasparro
Peter Gasparro
Regional Sales Director

Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Simon Chin
Simon Chin
Regional Sales Director APAC



Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Jeff May
Jeff May
Regional Sales Director



Simon Chin
Simon Chin
Regional Sales Director APAC



Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Jörgen Rönnqvist
Jörgen Rönnqvist
Area Sales Manager Nordic and Baltic countries

Mattias Hedin
Mattias Hedin
Key Account Manager



Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Jörgen Rönnqvist
Jörgen Rönnqvist
Area Sales Manager Nordic and Baltic countries

Mattias Hedin
Mattias Hedin
Key Account Manager



Jeff May
Jeff May
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220



Votre revendeur local

Afficher tout
Jeff May
Jeff May
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Jeff May
Jeff May
Regional Sales Director



Jörgen Rönnqvist
Jörgen Rönnqvist
Area Sales Manager Nordic and Baltic countries

Mattias Hedin
Mattias Hedin
Key Account Manager


Votre revendeur local

Afficher tout
Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Jeff May
Jeff May
Regional Sales Director


Votre revendeur local

Afficher tout
Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Jeff May
Jeff May
Regional Sales Director



Jeff May
Jeff May
Regional Sales Director


Votre revendeur local

Afficher tout
Nipun Khanna
Nipun Khanna
Regional Sales Manager - India & Middle East



Jörgen Rönnqvist
Jörgen Rönnqvist
Area Sales Manager Nordic and Baltic countries

Mattias Hedin
Mattias Hedin
Key Account Manager



Jörgen Rönnqvist
Jörgen Rönnqvist
Area Sales Manager Nordic and Baltic countries

Mattias Hedin
Mattias Hedin
Key Account Manager


Votre revendeur local

Afficher tout
Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Simon Chin
Simon Chin
Regional Sales Director APAC



Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Jeff May
Jeff May
Regional Sales Director



Peter Gasparro
Peter Gasparro
Regional Sales Director

Patrick Wiltse
Patrick Wiltse
Regional Sales Director




Votre revendeur local

Afficher tout
Jeff May
Jeff May
Regional Sales Director



Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Jeff May
Jeff May
Regional Sales Director


Votre revendeur local

Afficher tout
Peter Gasparro
Peter Gasparro
Regional Sales Director

Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Ralf Kalker
Ralf Kalker
Regional Sales Director
+49 (0)221 959 2220


Patrick Wiltse
Patrick Wiltse
Regional Sales Director



Peter Gasparro
Peter Gasparro
Regional Sales Director

Patrick Wiltse
Patrick Wiltse
Regional Sales Director



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