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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:37 pm
Stereo (stereophonic sound) is very different. The first time you hear stereo, it sounds like a miracle.
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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:38 pm
Where are the sounds coming from? How do they move around your head like that? Stereo is a simple trick:
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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:38 pm
two loudspeakers each play slightly different sounds and our ears and brains reassemble the noises into a two-dimensional soundscape.
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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:38 pm
If you listen to music with headphones, you'll be used to the way stereo sound jumps back and forth between your ears.
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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:40 pm
You can dramatically alter the quality of the sound your speakers make by putting them in different places.
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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:40 pm
Always arrange them symmetrically (so if one is six inches from a wall, the other needs to be six inches from a wall too). Never fasten speakers directly onto a wall or stand them on the floor. Instead, try to mount them roughly at ear level.
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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:40 pm
Put each speaker nearer to the center of the room so there are unequal distances from the speaker to the walls, ceiling, and floor.
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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:41 pm
That will help to stop reflected sounds from interfering with the main speaker sounds.
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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:41 pm
Speaker stands are a great investment: they usually make speakers sound twice as good!
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Abhishek
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:41 pm
The standard dynamic loudspeaker that we know of today was first built in the 1920's and uses a magnetic field to move a coil or magnet which is connected to a diaphragm.
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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:41 pm
When sound comes from a single loudspeaker, we say it's mono or monaural. Mono is like the sound of one person talking: the sound source is fixed in one place.
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Abhishek
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:41 pm
There are other kinds of speakers/sound amplification devices besides the standard round speaker, in this article we cover a few of the most important and common speakers.
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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:41 pm
Stereo (stereophonic sound) is very different. The first time you hear stereo, it sounds like a miracle.
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Abhishek
Posts : 12935
Join date : 2019-01-07

What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:41 pm
In order to translate an electrical signal into an audible sound, speakers contain an electromagnet: a metal coil which creates a magnetic field when an electric current flows through it.
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Abhishek
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:42 pm
This coil behaves much like a normal (permanent) magnet, with one particularly handy property: reversing the direction of the current in the coil flips the poles of the magnet.
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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:42 pm
Where are the sounds coming from? How do they move around your head like that?
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Abhishek
Posts : 12935
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:42 pm
Inside a speaker, an electromagnet is placed in front of a permanent magnet.
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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:42 pm
Stereo is a simple trick: two loudspeakers each play slightly different sounds and our ears and brains reassemble the noises into a two-dimensional soundscape.
avatar
Abhishek
Posts : 12935
Join date : 2019-01-07

What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:42 pm
The permanent magnet is fixed firmly into position whereas the electromagnet is mobile.
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karan
Posts : 11270
Join date : 2019-01-07

What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:42 pm
If you listen to music with headphones, you'll be used to the way stereo sound jumps back and forth between your ears.
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Abhishek
Posts : 12935
Join date : 2019-01-07

What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:42 pm
As pulses of electricity pass through the coil of the electromagnet, the direction of its magnetic field is rapidly changed.
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Abhishek
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:42 pm
This means that it is in turn attracted to and repelled from the permanent magnet, vibrating back and forth.
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Abhishek
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:43 pm
The electromagnet is attached to a cone made of a flexible material such as paper or plastic which amplifies these vibrations, pumping sound waves into the surrounding air and towards your ears.
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karan
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:43 pm
You might hear a drum beating in one ear and a guitar playing in the other, for example.
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Abhishek
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

Tue Jan 15, 2019 5:43 pm
The frequency of the vibrations governs the pitch of the sound produced, and their amplitude affects the volume – turn your stereo up high enough and you might even be able to see the diaphragm covering the cone move.
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What is Speaker and how does it work ? - Page 3 Empty Re: What is Speaker and how does it work ?

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