Glossary of Terms

• AC - Alternating Current
• A/D - Analog to Digital
• Analog - a current or voltage based signal (as opposed to numbers - digital) representing a a unit of sound, pixel, etc.
• Aspect Ratio - Horizontal dimension relative to verticle dimension
• Bandwidth - signal transmission capacity with regard to how much information can be moved per unit of time
• BNC - type of connection involving a locking mount as opposed to screw-type; the actual letters themselves is under debate
• Chroma - hue and saturation; color characteristics not related to intensity of lumination
• Color Bar - a color test pattern consisting of yellow, cyan, green, magenta, red, and blue; proper chroma settings can be determined by this pattern
• CRT - Cathode Ray Tube; an electronic vacuum tube
• CVM- Color Video Monitor (Sony PVM-1943MD)
• floppy - (see still video floppy), disk
• Ikegami - 3 tube stationary video camera (gross room)
• light diffuser - on the Nikon, push/pull pin located on right side of microscope
• live image - actual displayed image as opposed to prerecorded
• Optiphot 2 - Nikon microscope
• Optronics - single chip stationary video camera (HEO & student labs)
• PAX - Picture Archival Transmission
• RGB - Red, Green, Blue: describes image transmission signal
• S-VHS - high resolution video recording format
• Sony - 3 CCD (chip) stationary video camera (gross room & mobile)
• still video floppy - an image storage medium capable of holding 50 standard images or 25 hi-res images
• SVR - Still Video Recorder (MVR-5300)
• SVP - Still Video Player (Panasonic AGES-100)
• SVS - Still Video System
• track counter - located on SVR: designates number of images on disk or number of present image
• track - number corresponding to recorded image; successive value when in field mode / odd or even values when in frame mode
• VCU - Video Camera Unit (CCU) [Sony, Ikegami, Optronics, JVC)