Abstract
Most digital broadcasting systems are shifting to HDTV and a highly efficient HDTv codec whi・h can maintain an HDTV broadcasting quality under a auite narrow bandwidth capacity is reauired to be developed. ln our previous study, ootimal MPEG'2 encoder design had been established for the use under the bit-rate around lOMbps. In this paper, key technologies included in the orooosed encoder are introduced, and performance evaluation is conducted under the objectivequality and the subjective quality, respectively.
