1 Introduction
2
Loss (a-b) to avoid
instability during set-up, clear-down and changes in a connection
3
Unweighted loss (a-b) on
established connections
4
Echo loss (a-b) on established
connections
Annex A – Measurement of stability loss (a-b)
and echo loss (a-b)
Annex B – Explanation of terms associated with the path a-t-b
B.1 Return loss
B.2 Balance return loss
B.3 Transmission loss of the path a-t-b
B.4 Stability and echo losses
B.5 Overall loudness rating of the echo path (talker echo loudness
rating, TELR)
B.6 Summary of useful terms
References