Nonlinear Editing

Appendix A

Glossary

Aliasing Undesirable ‘beating’ effects caused by sampling frequencies being too low to reproduce image detail faithfully.

Alpha channel Term used to describe an element of a graphics file that will create a hole cutter allowing specified elements of a graphic to be revealed over a background image.

Alpha wrap A method used to wind videotape around a helical scan drum.

Anti-aliasing The smoothing and removing of aliasing effects by filtering and other techniques. Most DVEs and character generators contain anti-aliasing circuitry.

Archive Long-term storage of information. Pictures and sound stored in digital form can be archived and recovered without loss or distortion. The storage medium must be both reliable and stable. As ...