DTT
Encyclopedia
DTT may refer to:
- Demographic transition theory, a four stage transition model, which all countries progress through as they develop economically
- Double taxation treaty
- Digital terrestrial televisionDigital terrestrial televisionDigital terrestrial television is the technological evolution of broadcast television and advance from analog television, which broadcasts land-based signals...
, an implementation of digital televisionDigital televisionDigital television is the transmission of audio and video by digital signals, in contrast to the analog signals used by analog TV...
(DTV) broadcast television technology to provide a greater number of television channelTelevision channelA television channel is a physical or virtual channel over which a television station or television network is distributed. For example, in North America, "channel 2" refers to the broadcast or cable band of 54 to 60 MHz, with carrier frequencies of 55.25 MHz for NTSC analog video and...
s and/or better quality of digital videoDigital videoDigital video is a type of digital recording system that works by using a digital rather than an analog video signal.The terms camera, video camera, and camcorder are used interchangeably in this article.- History :...
and digital audioDigital audioDigital audio is sound reproduction using pulse-code modulation and digital signals. Digital audio systems include analog-to-digital conversion , digital-to-analog conversion , digital storage, processing and transmission components...
through a conventional television antennaTelevision antennaA television antenna, or TV aerial, is an antenna specifically designed for the reception of over the air broadcast television signals, which are transmitted at frequencies from about 41 to 250 MHz in the VHF band, and 470 to 960 MHz in the UHF band in different countries...
(or aerial) instead of a satellite dishSatellite dishA satellite dish is a dish-shaped type of parabolic antenna designed to receive microwaves from communications satellites, which transmit data transmissions or broadcasts, such as satellite television.-Principle of operation:...
or cable televisionCable televisionCable television is a system of providing television programs to consumers via radio frequency signals transmitted to televisions through coaxial cables or digital light pulses through fixed optical fibers located on the subscriber's property, much like the over-the-air method used in traditional...
connection - Deloitte Touche TohmatsuDeloitte Touche TohmatsuDeloitte Touche Tohmatsu Limited , commonly referred to as Deloitte, is one of the Big Four accountancy firms along with PricewaterhouseCoopers , Ernst & Young, and KPMG....
, one of the largest professional services firms in the world - * Dijk Trade and Translate - DTT, a multimedia & marketing firm from Amsterdam, specialized in Mobile, Web, and Flash solutions
- DithiothreitolDithiothreitolDithiothreitol is the common name for a small-molecule redox reagent known as Cleland's reagent. DTT's formula is C4H10O2S2 and the molecular structure of its reduced form is shown at the right; its oxidized form is a disulfide-bonded 6-membered ring . Its name derives from the four-carbon...
, the common name for a small-molecule redox reagent known as Cleland's reagent