1 Swelling around a tooth or swelling of the jaw or cheek. 2  Injury or trauma to the area.  These signs and symptoms may sometimes be associated with dental decay or gum disease (periodontal disease). Dental decay or an area of redness around the tooth's gum line may point to the source of pain.
In short, IPTV is transmitting audio and video over a computer network instead of air-waves with an aerial. IPTV = Internet Protocol Television. Internet Protocol Television (IPTV) is digital television delivered to your television through a high speed internet (broadband) connection. In this service, channels are encoded in IP format and delivered to the TV through a set top box.
Standard-definition television (SDTV) is a television system that uses a resolution that is not considered to be either high-definition television (720p, 1080i, 1080p, 1440p, 4K UHDTV, and 8K UHD) or enhanced-definition television (EDTV 480p).or widescreen 16:9, 360 lines define a widescreen image and for traditional 4:3, 480 lines define an image. SDTV refresh rates can be 24, 25, 30, 50 or 60 frames per second with a possible rate multiplier of 1000/1001 for NTSC timing accuracy.