DVB-SH
Short for Digital Video Broadcasting – Satellite services to Handhelds. DVB-SH is a system used to deliver IP based media content and data to handheld terminals, like mobile phones or PDAs, via satellite. The DVB-SH system was designed for frequencies below 3 GHz, typically in the S-band. DVB-SH includes features such as turbo coding for forward error correction an advanced system that is designed to cope with the hybrid satellite/terrestrial network topology. The DVB-SH specifications are published by the DVB Project. DVB-SH specifies two operational modes:
SH-A: specifies the use of COFDM on both satellite and terrestrial links with the possibility of running both links in SFN mode.
SH-B: uses a Time Division Multiplex (TDM) on satellite with COFDM on the terrestrial link.
Read Also:
- DVD
Short for digital versatile disc or digital video disc, a type of optical disk technology similar to the CD-ROM. A DVD holds a minimum of 4.7GBof data, enough for a full-length movie. DVDs are commonly used as a medium for digital representation of movies and other multimedia presentations that combine sound with graphics. The DVD […]
- DVD10
(pronounced as separate letters) A double-sided, single layer DVD that can hold 8.75GB of audio and video data. It is supported by DVD+R/RW and DVD-R/RW.
- DVD18
(pronounced as separate letters) A double-sided, double layer DVD that can hold 15.9GB of audio and video data. It is supported by DVD+R/RW format.
- DVD5
(pronounced as separate letters) (n.) A single-sided, single layer DVD that can hold up to 4.7GB (120 minutes) of high quality audio and video data. All DVDs are made from two substrates that are bonded together, and the second substrate on a DVD5 is a data-less layer that does not contain any pits.
- DVD9
(pronounced as separate letters) (n.) A single-sided, dual-layer DVD that can hold 8.54GB (or fours hours) of audio and video data. It should be noted that DVD-RW and DVD+RW do not support DVD9.