A METHOD AND APPARATUS FOR INCREASING STABILITY OF AN INTER-CHANNEL TIME DIFFERENCE PARAMETER

摘要

A method and apparatus for determining an adaptive hysteresis for inter-channel time difference (ICTD) parameter, wherein an inter-channel correlation (ICC) measure is filtered to obtain a long term estimate of a stability of an ICTD parameter, and a hysteresis period, during which a previously obtained reliable ICTD estimate is used, when reliable ICTD estimates are not obtained, is determined using the stability estimate. The method further comprises setting the ICTD to zero if reliable ICTD estimates are not obtained within the hysteresis period.