Advantages of DTV
plehry wrote an interesting post today on
Here’s a quick excerpt
Advantages of DTV over analog TV include:
* Superior image resolution (detail) for a given bandwidth
* Smaller bandwidth for a given image resolution
* Compatibility with computers and the Internet
* Interactivity
* Superior audio quality
* Consistency of reception over varying distances
* Capacity for multicasting
Conventional standards - NTSC , PAL , and SECAM - specify analog transmission. However, both the audio and video components of a television signal can be transmitted in digital form. Because much more data can be sent digitally, a digital transmission will allow - depending on the display format chosen - either a dramatically improved resolution and sound quality, in the case of high definition television ( HDTV ), or simultaneous broadcasts ( multicasting ) of up to five programs, in the case of standard definition television ( SDTV ). Another SDTV option, known as datacasting is the transmission of data such as games, still pictures, and other material while […]
Read the rest of this great post here