EXFO EXpert IPTV Test Tools (FTB-1 / 2 Pro) - Manual (Page 33)

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MPEG_2 Transport Stream TR 101290 Priority 1 Metrics
8.3.4 Audio Description and Perceptual Metrics Information
Audio Description
Information is
similar to Video
Description
Information
providing essential
reference
information about
the stream.
Audio Bandwidth Metrics provides bandwidth
average and peak rate with and without
headers.
Audio
Perceptual
Quality Metrics
are MOS scores
with subjective
test content
calculated with
a specialized
VQMON audio
algorithm.
Degradation
Factors provide
severity of
degradation
due to Packet
Loss, Packet
Discard, Codec,
a Recency of
burst packet
loss