Glossary
| 4:2:0 | Digital video coding method where chrominance has half the vertical and half the horizontal resolution of the video. |
| 4:2:2 | Digital video coding method where chrominance has the same vertical resolution and half the horizontal resolution of the video. |
| 8-PSK | Eight Phase Shift Key modulation. |
| 8-VSB | Vestigial sideband modulation with eight discrete amplitude levels. |
| 16-VSB | Vestigial sideband modulation with 16 discrete amplitude levels. |
| AAF | Advanced Authoring Format. A format for authoring and editing of digital audiovisual content. |
| ABU | Asian Broadcasting Union. |
| ADC | Analogue-to-Digital Converter. |
| AES | Audio Engineering Society. |
| AGC | Automatic Gain Control. |
| AL | Alignment Level. A reference level, usually recorded ... |
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