Go Back   PCMech Forums > Help & Discussion > Home Theater, Audio, and Video

Need Some Help? Type Your Keywords Here:

Reply
 
LinkBack Thread Tools Search this Thread Rate Thread Display Modes
Old 04-26-2006, 06:38 PM   #1
Member (5 bit)
 
Join Date: Mar 2005
Location: California
Posts: 20
Analog or digital?

Whats the main differance between analog output and digital output(besides the obvious). I hooked up the digital side of my video to my LCD screen and i cant really tell much diff. visually.
alexmx77 is offline   Reply With Quote
Old 04-26-2006, 09:41 PM   #2
Kickin' it
Staff
Premium Member
 
Alaron's Avatar
 
Join Date: Jan 2002
Location: USA
Posts: 7,723
Send a message via AIM to Alaron
When it comes to monitors on your computer, the difference is signal quality.

DVI is a purely digital signal from the video card to the screen.

Analogue means that the digital signal the video card produces has to be converted to analogue when it goes through the connection, then back to digital on the screen. The conversion can degrade the quality.
__________________
Fold for PCMech: Team 13761
Alaron is offline   Reply With Quote
Old 04-26-2006, 09:52 PM   #3
Member (10 bit)
 
MakeYourslf2012's Avatar
 
Join Date: Jun 2005
Location: Sterling Heights, Michigan
Posts: 892
Send a message via AIM to MakeYourslf2012
I couldn't notice the difference when I switched from VGA to DVI, most people can't either.

However, like Alaron said, there is a finer image quality with DVI, even if it may be neglagible to some
MakeYourslf2012 is offline   Reply With Quote
Old 04-27-2006, 12:29 AM   #4
Member (6 bit)
 
Join Date: Feb 2006
Posts: 38
Well, when I had an analog display, sometimes when the res changed, the screen wouldn't be aligned correctly. That never happens with DVI.
flameshad0w is offline   Reply With Quote
Old 04-27-2006, 12:52 AM   #5
Member (6 bit)
 
bobolito's Avatar
 
Join Date: Sep 2005
Location: North NJ
Posts: 41
In some cases analog connections can be subject to distortion which doesn't happen in digital. But the main difference between digital and analog is that they are two methods of sending a signal. The Analog method merely converts the signal to audio or video at the receiver's end, which may carry distortions or interference it might've picked up along the way. However, in digital, the signal received is interpreted as data which is used by a processor to create audio or video from that data locally. In other words, in digital systems, the audio or video signal is actually created at the receiver's end. Therefore, since only the data received is interpreted it doesn't recreate interference or distortion the signal may have picked up along the way. In the transmitter's or sender's end only the information needed to create the audio or video is transmitted, but not the video or audio itself.

Last edited by bobolito; 04-27-2006 at 12:55 AM.
bobolito is offline   Reply With Quote
Old 04-28-2006, 01:52 AM   #6
Barefoot on the Moon!
Staff
Premium Member
 
Force Flow's Avatar
 
Join Date: Aug 2002
Location: Northeastern USA
Posts: 13,285
General rule of thumb; whenever possible, use DVI. Use VGA only as a fallback plan.
__________________
There are two secrets to staying young, being happy, and achieving success. You have to laugh and find humor every day, and you have to have a dream.
Force Flow is offline   Reply With Quote
Old 04-28-2006, 10:07 AM   #7
Member (6 bit)
 
Join Date: Apr 2006
Posts: 42
Quote:
Originally Posted by alexmx77
Whats the main differance between analog output and digital output(besides the obvious). I hooked up the digital side of my video to my LCD screen and i cant really tell much diff. visually.
I am not sure of the differences, but I know one thing for sure digital quality usually never looses quality and analog can go down in quality (when transfering it to another source). Go digital because now everything is being digital. You can however go from analog to digital and to make analog better quality.
mysticm is offline   Reply With Quote
Old 04-28-2006, 10:09 AM   #8
Member (6 bit)
 
Join Date: Apr 2006
Posts: 42
the only thing I don't understand is what is the difference between analog and digital cd players? Isn't all pressed CD's digital? What do they mean analog cd player or digital? I had a small portable digital CD player before.
mysticm is offline   Reply With Quote
Reply

Bookmarks

Still Need Help? Type Your Keywords Here:


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -5. The time now is 10:28 PM.
Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2012, Jelsoft Enterprises Ltd.
SEO by vBSEO 3.6.0