EXFO EXpert IPTV Test Tools (FTB-200v2) - Manual (Page 54)

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Figure 2 ‐5
Still frame from
MPEG‐2 video
sequence encoded
at 5000Kbps
Figure 2‐6.
Still frame from
MPEG‐2 video
sequence encoded
at 1127Kbps
In Figure 2‐6, the sequence was encoded at a bitrate of 1127Kbps (138KB/s). The use of
coarser quantization conserves bandwidth, but creates distortion that impairs overall image
quality throughout the entire video sequence.