| HDMI |
"High Definition Multimedia Interface". New standard for the digital transmittance of high resolution Audio - and Video signals. The HDMI standard supports the coding of data to be transmitted whereby the unauthorized copying shall be prevented. If the projector or plasma display has no electronic to decode the data, the image either remains black or is reproduced with reduced resolution only. |
| HDTV |
Abbreviation for High Definition TV. This means the television transmittance with a significantly higher number of lines than present PAL- (625 lines, Interload) or NTSC-format (525 lines, Interload). There are modi with 750 and 1.125 lines which have a progressive format without interlace. |
| High-light switch (slide) |
Increase of light output (therefore reduced lamp life ). (Kodak) |
| Horizontal frequency |
Indicates how many lines can be addressed per second (in kHz). |
