Audio/Video Glossary

1 | 2 | 4 | 8 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T |
U | V | W | X | Y |

APL

Audio/Video Glossary - APLAverage Picture Level. A measure of average video luminance level expressed as percent of maximal white level. When the APL is low, the picture is dark, when the APL is high the picture is bright.