Production of audio and video signals, Physics

Assignment Help:

Production of audio and video signals

Iconoscope is a type of camera consisting of a cathode ray beam and a photoelectric cell. The picture is scanned with the help of iconoscope. The degree of variations in the light intensity on different portions of the image is detected by photocells. These photocells convert the light signals into different electrical currents of corresponding intensity. These electrical signals are amplified and used for modulation. At the same time, sound waves are also converted into electrical signals, amplified and used for modulation.


Related Discussions:- Production of audio and video signals

Applications of Newton's Laws - I, APPLICATIONS OF NEWTON'S LAWS - I   ...

APPLICATIONS OF NEWTON'S LAWS - I   1. The conclusion from F = ma is that if F = 0 then a = 0 ! quite easy! yet how powerful ! This says that for anybody which is no

Calormetry, in water equivalent how the temperature or water and solid equa...

in water equivalent how the temperature or water and solid equal?

Define radioactive dating, Define Radioactive Dating Half-life measurem...

Define Radioactive Dating Half-life measurements of radioactive elements in rocks and fossils can be used to determine the age of the specimen. One of the most common types of

Reflection and refraction, Reflection and Refraction Describing reflec...

Reflection and Refraction Describing reflection and refraction, involving total internal reflection. You might drag the control at the top to modify the angle of incidence and

Explain the position-time graph, Two trains simultaneously leave the same t...

Two trains simultaneously leave the same train station at noon. One train travels north and the other travels south. The position-time graph or both trains is shown in the accompan

Young modules, to measure the extension of an experimental wire due to diff...

to measure the extension of an experimental wire due to different pulling forces using searle''s apparatues.hence, determine the young modules of the material of the wire.

Determine the magnitude and direction of the reaction, A load of P59 kN act...

A load of P59 kN acts at right angles to the beam AB.  The angle of the beam to a horizontal x axis at A is P60. The supports are a pin joint at A and a Rocker at B.  Determine the

Explain motion in 2 dimensions, Explain Motion in 2 Dimensions When mot...

Explain Motion in 2 Dimensions When motion occurs in two dimensions, position, displacement and distance, speed, velocity and acceleration can be described using the x-y plane.

Explain electric current, Electric Current: Electric current may be des...

Electric Current: Electric current may be described as the rate of flow of charge. I=q/T Where, I = electric current q = charge T = time The unit of current i

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd