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Why in TV transmission amplitude modulation is used for
Video and FM for Audio. Is is possible FM for Video
transmission
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Answer / v.ramakrishnan
Amlitude modulation gets more affected by noise in
comparison to FM signals.Since Ear can hear the minute
distortions in audio signals,hence they are transmitted
through FM transmission.Whereas video signals with minute
distortions doesnt show any difference when displayed on
screen.
| Is This Answer Correct ? | 78 Yes | 12 No |
Answer / andrew lyner
Most of the above is very very dodgy; do not take it seriously. Go elsewhere for proper answers.
FM was (and still is) frequently used for transmitting TV signals. All Satellite TV transmissions (before Digitial came along) used FM. It is much easier to produce high power FM than high power AM, in a satellite, because klystron amplifiers and TWTs are not linear amplifiers.
The reason for using FM for analogue TV sound is that you have enough available bandwidth to give you a better signal to noise ratio with the permitted sound power .
And read more than what I have written.
| Is This Answer Correct ? | 5 Yes | 9 No |
Answer / hashim mlekwa
this is because a videoia larger than the audio thus it
require enough time to process it therefor it uses AM,on
the other hand an audo is small as compared to the video
therefor it require less time to process it thus why it
uses fm
| Is This Answer Correct ? | 6 Yes | 14 No |
Answer / mounis
and one more reason lies is.
the AM signal takes more time to transmit and FM less time to transmit and reach the receiver so in order to match the picture with the sound.
such kind of a transmission is used.
| Is This Answer Correct ? | 9 Yes | 18 No |
Answer / anand
No,FM is't possible for video,Just amplitude modulation uses for the video,there are in a tube there are the two frequency receiver altar high and the lower and both are depends in intermediate Frequency which is received by Yagiuda Antenna.
| Is This Answer Correct ? | 5 Yes | 18 No |
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