Best advices for everyday life

Home Articles Languages


Multimedia - computerized and electronic devices, media, cameras, audio and video recorders, tv installation, DVD, bluetooth. Advices on hardware and software - computer parts, laptop computers, repair and security programs, software installation. Advices on mobile phones - mobile applications, iphone deals, cell phone providers, smartphones.


What is the first recorded sound? | Audio Video

Since the first recorded sound? Sound was first recorded by Thomas Edison 1877

The sound was first recorded by Thomas Edison 1877th year. First device with which it had done the roller handle is turned. Make it there on the conical tube, like a trumpet, at whose inner end was attached as a cover and an elastic membrane needle.
sound waves as they enter the wider end of the pipe run at the narrow end of the membrane, the membrane was transferred to the movement of the needle.
Stones was covered with a thin tin foil on top of which evolved Needle . Using the system of transmission and gears, turning the handle gently run it along with a trumpet attached along the needle roller. In this way, as moving the roller, the needle was through him the rules in the form of spiral grooves.
When someone is singing or speaking in trumpet, the needle has different rules notches on drum: further pins down the rule is a deeper notch, and vice versa. This is a distinct notch depth picture of sound waves which are caused by the one who sings and speaks in trumpet. It is, Behold, the first sound recordings.
In order to reproduce the recorded sound, horn and needle were returned to the starting position, ie the beginning of the notches on the foil. running gear, the needle is moved by notches and caused oscillation or vibration of the elastic membrane in the trumpet. As a result, the and powered air horn and made the same sound that was recorded at the beginning of the procedure.

> What is the difference between data and information, which is information and what information
> How to protect excel sheet password? | Computers
> How to choose the best mobile phone deals from the network operator
> How to put music on the iPhone
> How to make email
> How fast moving sound? | Audio Video
> What is the Shift key, Shift key on the keyboard, the Shift key
> How to be recorded on compact disc CD? | Computers
> you can connect two computers to one modem and simultaneously use the Internet?
> How to make a partition on the hard disk
> How to remove a person with friends on Facebook Account
> How Groupon discount and other services
> How to make email address
> How to choose a safe and easy to remember the password
> What is the admin?
> How to transfer pictures from phone to computer - Transfer photos from phone to computer
> What is daemon tools?
> How to use Photoshop
> How to hack Symbian S60v3 and S60v5? | Mobile
> Top Android Phones