The technology I will be focusing on
for this blog is the television. According to the lecture, in 1939, the first
public demonstration of a TV broadcast system was shown at the World’s Fair.
Before the existence of the digital TV’s, all that existed were the big bulky,
less appealing analog TV’s. Analog TV’s consisted of, a Cathode Ray Tube, which
was made up of a near vacuum tube, a florescent screen, and an electron gun.
The electron gun shoots 3 beams, a red, green, and blue beam in order to create
an image of one line. Analog TV’s used more space on the spectrum, it took up 6
MHz in total, 5.5 MHz was devoted to video signal, and 0.5 MHz was devoted to
FM audio signal. Analog TV eventually evolved into digital TV, which allowed
for a wider image, better resolution, better sound, and the ability to
multicast. A reason for the major shifts to digital televisions was because the
old NTSC standards took up to much space on the spectrum, so the Advanced Television
Systems Committee (ATSC) was formed. The ATSC standard uses 8-level Vestigial
Sideband Modulation (8VSB). 8VSB cuts of the lower side band of video signals,
allowing more space for other audio and video signals, and overall better
quality. The evolution of TV has lead us to become frequent consumers of media
due to the vast amount of features now available.
An article titled, “The Media
Deprivation Experience: Revealing Mass Media as Both Message and Massage” was
written by Barbara Ann Mastrolia. In this article, she speaks about how the deprivation
of media, or at least the different approach to it can be beneficial to
individuals. The author states, “In my teaching experience, I believe that
media deprivation experience serves as an excellent starting point to encourage
students to take a critical approach to the mass media and to recognize its
place and its use in the contemporary world.” She believes that it’s important
to approach media in this manner, because we shouldn’t accept things as they
are. With the amount of media were exposed to, it’s important to question who’s
producing the contemporary social world, what the intents are, and how is it
being produced?
Mastrolia, B.A. (1997). The Media Deprivation Experience:
Revealing Mass Media as Both Message and
Massage, 46, 203-210. Retrieved
from http://eds.a.ebscohost.com.libweb.lib.utsa.edu/ehost/pdfviewer/pdfviewer?vid=39&sid=b425f3b8-3a74-46b4-a8d1-65e6123f99a6%40sessionmgr4007
Hey!
ReplyDeleteGreat visual! Do you think that if their was less media then the physical and mental damages that it causes would decrease? Or do you think it is too late to reverse the negative affects that it has had on society? Are the benefits that media has outweigh those effects? Can society adapt to those negative changes and possibly turn them around?
-Haley Arispe
The television has gone a very long way from the time that I was a child, I am from the old day, and I remember having a black and white TV, and still remember turning it on and hearing the high pitch sound when the tube was warming up, I remember the snow like effect on the screen when the television did not pick up a signal, Great article about The Media Deprivation Experience, it seems very interesting that I might have to read it myself. Thank You, Rene Martinez
ReplyDeleteThe physical appearance and engineering in the television has had unbelievable transformation. You did a really good job at explaining the technical specs and organizations. The article about media deprivation looks interesting. I do question a lot of things that are shared on TV and just because its on there doesn't mean we should believe it.
ReplyDeleteHeather Briere
Hi Marco, the analog TV is so interesting to me. It is so cool how far technology has come in such a small span of time. I really think it is fascinating how they used the three beams, red, green, and blue from the electron beam to create the image of one line. The fact that analog TV took up more space on the spectrum than digital TV is also so crazy considering digital TV has such better audio and visual qualities.
ReplyDelete-Emily Winningham