ISDB

The Integrated Services Digital Broadcasting (ISDB) (Japanese: 統合デジタル放送サービス, Tōgō dejitaru hōsō sābisu) is a Japanese standard for digital television (DTV) and digital radio used by the country's radio and television networks. ISDB replaced the previously used MUSE Hi-vision analogue HDTV system. Digital Terrestrial Television Broadcasting (DTTB) services using ISDB-T started in Japan in December 2003 and in Brazil in December 2007 as a trial. Since many countries have adopted ISDB over other digital broadcasting standards.

Countries and territories using ISDB-T

Asia

 Japan

 Philippines (officially adopted ISDB-T, trial broadcast in progress)

 Maldives (officially adopted ISDB-T)

 Sri Lanka (officially adopted ISDB-T HD)

 Thailand (currently assessing to digital platforms the DVB-T2)

Americas

 Brazil (officially adopted ISDB-T International, started broadcasting in digital)

 Uruguay (officially adopted ISDB-T International, started broadcasting in digital)

 Peru (officially adopted ISDB-T International, started broadcasting in digital)

Digital television

Digital television (DTV) is the transmission of audio and video by digitally processed and multiplexed signal, in contrast to the totally analog and channel separated signals used by analog television. Digital TV can support more than one program in the same channel bandwidth. It is an innovative service that represents the first significant evolution in television technology since color television in the 1950s. Several regions of the world are in different stages of adaptation and are implementing different broadcasting standards. Below are the different widely used digital television broadcasting standards (DTB):

Digital

Digital usually refers to something using digits, particularly binary digits.

Technology, the Internet, and computing

People

USB

USB, short for Universal Serial Bus, is an industry standard developed in the mid-1990s that defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices. It is currently developed by the USB Implementers Forum.

USB was designed to standardize the connection of computer peripherals (including keyboards, pointing devices, digital cameras, printers, portable media players, disk drives and network adapters) to personal computers, both to communicate and to supply electric power. It has become commonplace on other devices, such as smartphones, PDAs and video game consoles. USB has effectively replaced a variety of earlier interfaces, such as serial and parallel ports, as well as separate power chargers for portable devices.

Overview

In general, there are three basic kinds or sizes related to the USB connectors and types of established connection: the older "standard" size, in its USB 1.1, 2.0, and 3.0 variants (for example, on USB flash drives), the "mini" size (primarily for the B connector end, such as on many cameras), and the "micro" size, in its USB 1.1, 2.0, and 3.0 variants (for example, on most modern mobile phones).