Standard-definition television (SDTV; also standard definition or SD) is a television system that uses a resolution that is not considered to be either...

following standard-definition television (SDTV). It is the standard video format used in most broadcasts: terrestrial broadcast television, cable television, satellite...

Low-definition television (LDTV) refers to TV systems that have a lower screen resolution than standard-definition television systems. The term is usually...

certain digital television (DTV) formats and devices. Specifically, this term defines an extension of the standard-definition television (SDTV) format that...

High-definition video (HD video) is video of higher resolution and quality than standard-definition. While there is no standardized meaning for high-definition...

2010s, digital television transmissions greatly increased in popularity. Another development was the move from standard-definition television (SDTV) (576i...

high-definition signal and several standard-definition signals carried on a single 6 MHz (former NTSC) channel allocation. The high-definition television standards...

transition to high-definition television is a process by which standard-definition (SD) television signals are upgraded to a high-definition (HD) format. In...

requiring around 200 Mbit/s for a standard-definition television (SDTV) signal, and over 1 Gbit/s for high-definition television (HDTV). In the mid-1980s, Toshiba...

to standard-definition television and some other exceptional cases. Most other imaging systems, including those that comply with SMPTE standards and...