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» Film-Tech Forum ARCHIVE   » Community   » Film-Yak   » 'Digital' - the magic word (Page 2)

 
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Author Topic: 'Digital' - the magic word
Andy Frodsham
Expert Film Handler

Posts: 238
From: Stoke on Trent, Staffs, UK
Registered: Nov 2006


 - posted 06-23-2008 06:35 AM      Profile for Andy Frodsham   Email Andy Frodsham   Send New Private Message       Edit/Delete Post 
There are tons of people over here in the UK who think they've got a digital radio receiver (i.e a device for receiving commercial digital broadcasts from the BBC etc). In reality, they have analogue receivers with digital tuner displays.

On that subject, it wasn't long ago that the BBC admitted that their standard analogue FM broadcasts usually sounded better than their digital counterparts.

Like a lot of digital output, it seems that quantity has won-out over quality!

[ 06-23-2008, 08:08 AM: Message edited by: Andy Frodsham ]

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Kenneth Wuepper
Phenomenal Film Handler

Posts: 1026
From: Saginaw, MI, USA
Registered: Feb 2002


 - posted 06-23-2008 09:02 AM      Profile for Kenneth Wuepper   Email Kenneth Wuepper   Send New Private Message       Edit/Delete Post 
The magic of digital! Most of the lights in my home are controlled by digital means. The wall switches are either on or off, 1 or 0.

Some of the lights have analog controls called dimmers. A continuous slider controls the brightness of the light by switching on for a specific part of each power cycle.

Of course you can dim the lights with the digital (wall switch) control by simply working the 1's & 0's very fast. If you can't do it manually very well, you can add more digital circuitry to do the switching for you.

KEN

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Evans A Criswell
Phenomenal Film Handler

Posts: 1579
From: Huntsville, AL, USA
Registered: Mar 2000


 - posted 06-23-2008 01:34 PM      Profile for Evans A Criswell   Author's Homepage   Email Evans A Criswell   Send New Private Message       Edit/Delete Post 
The problem with the word "digital" is that if any aspect of a device is digital, the word is used to describe the whole product. A good example is a digital readout of something rather than an analog dial. I remember many Mitsubishi VHS VCRs in the late 1980s having "twin digital" on them. Maybe the tracking was done digitally, or they had a frame buffer (probably a low-resolution one) for showing still frames, but still, everything about the recording and playback was analog.

Everyone associates the word "digital" with "new" or "high-quality", not realizing that it takes a certain bandwidth to surpass the analog quality they're used to. YouTube videos are digital, but analog VHS looks like high-definition in comparison to them.

Another word that is starting to really get misused is "high-definition". Cruddy computer videos, once they are good enough to capture all of the quality in a VHS or normal 4.2 MHz broadcast, will probably be called "high-definiton".

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Mark Hajducki
Jedi Master Film Handler

Posts: 500
From: Edinburgh, UK
Registered: May 2003


 - posted 06-24-2008 06:32 PM      Profile for Mark Hajducki   Email Mark Hajducki   Send New Private Message       Edit/Delete Post 
Just to lower the tone of this thread, I think it is neccesary to mention this (Ig Nobal) award winning piece of research.

"Termination of intractable hiccups with digital rectal massage" in Annals of Emergency Medicine (vol 17, p 872).

quote:

Ig Nobel prizes hail 'digital rectal massage'

* 00:30 06 October 2006
* NewScientist.com news service
* Jeff Hecht

"I have always hoped to win a real Nobel prize for medicine," Francis Fesmire of the University of Tennessee College of Medicine told New Scientist. Nevertheless, he settled for the Ig Nobel prize in medicine instead, handed out along with nine other Ig Nobel prizes in a Thursday evening ceremony at Harvard University in Massachusetts, US.

It might be some consolation to note that a real Nobel prize winner was pushing a broom on stage to sweep away the paper airplanes traditionally thrown by the audience. The Annals of Improbable Research, which produces the Ig Nobel ceremony, points out that the 10 years that Harvard physicist Roy Glauber has spent sweeping the stage did not affect his selection as a physics laureate in 2005.

Fesmire, a specialist in emergency medicine and cardiology, probably did not have a real Nobel in mind when he published "Termination of intractable hiccups with digital rectal massage" in Annals of Emergency Medicine (vol 17, p 872). He was, it transpires, attempting to help a man who walked into the emergency room after hiccuping for 72 hours at up to 30 times a minute.

quote from New Scientist

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Bill Enos
Film God

Posts: 2081
From: Richmond, Virginia, USA
Registered: Apr 2000


 - posted 06-24-2008 06:38 PM      Profile for Bill Enos   Email Bill Enos   Send New Private Message       Edit/Delete Post 
A Digital prostate examination does not involve a computer or any other electronics.

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