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| The girl is using a microphone and voice recognition system on her mobile phone. |
Microphone & Voice Recognition:
Microphone:
1.
The first
microphone was invented as a telephone transmitter by Alexander
Graham Bell in 1876.
2.
It was a liquid device that
was not very practical.
3.
In 1886, Thomas Alva Edison
invented the first practical carbon microphone.
4.
A microphone is an input
device.
5.
A microphone is used
to digitally record audio data.
6.
It converts audio
signals into electrical signals.
7.
These electrical
signals are then converted into digital form.
8.
This digital form
can be stored for processing.
9.
Simple vocal
commands such as shut down or print can be give using microphone and
Voice recognition.
10.
There
are four types of microphones are commonly used:
i. Dynamic,
ii.
Condenser,
iii.
Ribbon and
iv.
USB models.
Voice Recognition:
1.
In voice
recognition, the microphone plays an important role.
2.
Translating voice to
text is known as voice recognition.
3.
Voice recognition
can be used to dictate data or give instructions using microphone.
4.
Simple vocal
commands such as shut down or print can be give using microphone and
Voice recognition.
5.
The user has to
train the Voice recognition software to teach it speech patterns and
vocabulary.
6.
Google Voice and
Alexa is a great example of voice recognition.
7.
Google voice is a service that allows you to search and ask
questions on your computer, tablet, and phone.
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Example of Microphone and Voice Recognition |
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