Why would it be easier to reproduce a digital signal over an analogue signal?
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What is the difference between digital signal and analogue signal?
How do you convert digital signal to analogue signal?
Difference between analogue and digital signal?
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What are defrances between analog and digital?
Which device converts a digital signal to text?
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What is the function of zero order hold?
Is there any difference between an analog signal and a wave signal?
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Why is digital television reception worse than analog?
In digital there is a signal threshold below which dropout (pixelation) occurs. When an analogue signal degrades the picture just gets 'snowy'. However, digital reception which is running alongside analogue is at quite a low level to prevent interference with the analogue channels and appears more susceptible to weather interference. When the analogue signals are turned off the digital signal is boosted to give maximum coverage and will deliver a better service all round.
What is a modems purpose?
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Which device is used to convert analog signals to digital?
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Where does the name modem come from?
It is a device that changes the digital signal from a computer into the analogue signal more suited to a phone line, and the analogue signal from phone line into the digital signal for the computer to use. These two processes are called modulation and demodulation. The word modem comes from these two words: MOdulation and DEModulaion = MO DEM.
How telkom uses fiber optics to transmit sound than the copper cables?
Asked in Cable Television, Home Theater, HDTV
How do you connect a SPDIF audio output to a left and right analog audio impute?
SPDIF is a digital audio protocol developed by Sony and Philips. In order to connect the signal to an anologue input, a digital to analogue converter is required. If the source also has analogue outputs, it is much easier to use them - the digital to analogue converter is built into the source and saves the need for an external one. It might be argued that a good quality external converter can produce a better quality analogue signal than an integrated converter in a DVD player for example. A listening test will help to decide if that is the case.
Asked in Television and Video
When viewing a digitally transmitted programme on a coventional cathode ray tube television is the picture digital or analog?
Eventually, all digital television signals become analogue. In the case of an LCD television, each crystal shutter operates in an analogue fashion to control the brightness of the pixel. In a CRT television, the conversion happens further back in the signal path. Most CRT televisions don't have digital inputs so it is normal for the signal to be converted back to analogue before it reaches the television, using composite video or analogue component signals for example. If the television has a digital input, the signal will be changed to analogue before being processed and amplified ready to arrive at the tube.
What is the comparisons between analog system and digital system?
Asked in Electronics Engineering
Why you use digital signal processing instead of analouge signal processing?
There some or more reason as follows 1 There only tow voltage (current) levels high or low in digital system but there are infinite level of voltage(current) in analogue system. 2 Digital systems are extremely immune to noise as compare to analogue system. 3 Digital systems are very compact as compare to analogue system These are according to my knowledge or further there may be more reasons!!
Why it is generly true that a digital signal required high bandwidth than analog signal?
What is the main advantage of digital transmission over analog transmission?
Asked in Science
Why is analogue a series of pulses?
What card converts an analog video signal into a digital signal?
A video capture card. This can be a PCI card that slots onto the motherboard, or a USB device that you can plug into a spare USB socket. The card contains an ADC (Analogue/Digital Converter) processor, which takes the analogue signal via RCA connectors and sents it as serial (USB) or parallel (PCI) to the computer, for further processing and storage.
What is difference between analog and Digital Signals?
A digital signal can only ever have two values, on or off, representing binary 1 and 0 respecively. For instance in a system where +5v is classed as on and 0v is classed as off, the voltage on the line for a digital signal will only ever be +5v or 0v An analogue signal can be on or off or any value in between Taking the same example as above, an analogue signal could validly have a value of +2.7v or +1.4v or any other value between 0v and +5v inclusive