Introduction

INTRODUCTION
In today's world of high technology, mobile computing has become the most omnipresent medium for so many different applications. From the simple downloading of the mp3s of the youth to downloading business application/software of the professionals, or from simply carrying out transactions to videoconferencing by the career people to simply having fun with a number of social networking sites, it is simply a part of the lives of the majority using any internet-connected computers or mobile handsets.

Sunday, 14 June 2015

Chapter 12 : Broadcast Video Standards

Broadcast Video Standard
•NTSC (National Television Standards Committee)
  - 525 lines/60Hz
  - This standard is used primarily in North America, Taiwan, South, Korea, Japan.
  - 30 fps
•PAL (Phase Alternate Line)
  - 625 lines/50Hz
  - This standard is used primarily in Europe, Asia, and Southern Africa.
  - 25 fps
•SECAM (Systeme Electronique Couleur Avec Memoire)
  - 625 lines/50Hz
  - This standard is used primarily in France, parts of Middle East, and Russia.
  - 25 fps

Aspect Ratio

• The aspect ratio of a frame describes the ratio of its width to its height in the dimensions of a frame
• For example, the frame aspect ratio of NTSC or PAL video is 4:3, whereas DVD, HDTV, and motion-picture         frame sizes use the more elongated aspect ratio of 16:9 

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