User Guide

14 Glossary
AVI File
An acronym for Audio Video Interleave. This is a Microsoft format standard for
video and digital audio.
AVI File Type 1
This is the basic version of the AVI file. The Type 1 AVI files adds an AVI header to
the data stream and then places the DV data stream into the AVI file without
changing anything.
AVI File Type 2
The Type 2 AVI file adds an AVI header to the data stream. It removes the audio
from the DV stream and includes this as an additional AVI format stream to the AVI
file.
Bitrate
The amount of data or video that is calculated in bits over time.
Buffer Underrun
Buffer underruns are caused when there is an interruption to the flow of data to the
internal buffer of the recorder. This can be the fault of the software or the hardware
itself. When recording, data is fed continuously to the recorder’s buffer in order to
keep a steady flow of data which is required when recording. When something
interrupts that steady flow, it can cause a buffer underrun and your disc is no
longer useable.
Capture
This is the method of transporting the video from your DV camera or DV/Analog
device to your computer.
Capture Card
This is a card that fits inside your computer that will connect with a cable to your
DV/Analog device. It will 'capture' video from your device, through the card, and
onto your hard disk.
CD-R
Compact Disc - Recordable. A technology for CD-R (recordable) media.
Chapter Marks
These are marks set in the video which identify a scene change or place. A chapter
in a video is a segment divider. Chapters are sub-positions of the video.
NeroVision Express 3 Glossary • 102