QCIF
Quarter Common Intermediate Format. Video resolution of 176x144.
quantization levels
The predetermined levels at which an analog signal can be sampled as determined by the resolution of the analog-to-digital converter (in bits per sample); or the number of bits stored for the sampled signal.
quantize
To convert a value or range of values into a smaller value or smaller range by integer division. Quantized values are converted back (by multiplying) to a value which is close to the original but may not be exactly the same. Quantization is a primary technique of lossless encoding.
QuickTime
A digital video software standard developed by Apple Computer for Macintosh (Mac OS) and Windows operating systems. QuickTime is used to support audio and video from a DVD.
QXGA
A video graphics resolution of 2048x1536.
