Digital terrestrial television
Digital terrestrial television (DTTV or DTT, or DTTB with "broadcasting") is digital television sent by radio waves over the air (terrestrial television). It has replaced analog television in countries that have ended their digital television transition.
There are four main standards for sending this type of television:[1]
Digital Terrestrial Television Media
DTT broadcasting systems by country
Two digital terrestrial television receiving antenna on the roof, upper antenna facing Tokyo Tower and lower one to another Local Television Stations in Kantō Plain of Japan until Tokyo Skytree operates. (For ISDB-T system)
Simple and low cost ISDB-T Set-top box (tuner) with remote control
Analog television shut down in Japan at noon. All television stations broadcast a blue information screen that displayed one or more telephone numbers for digital television inquiries on the day of the shutdown until the transmitters shut off at midnight.
References
- ↑ "REPORT ITU-R BT.2140" (PDF). ITU. Retrieved 25 January 2017.
