Annex 1
�1���� Introduction
�2���� Fade and interfade duration
������� 2.1���� Requirements for fade duration information
������� 2.2���� Fade duration prediction method
������� 2.3���� Interfade duration
�3���� Fade slope
������� 3.1���� Requirements for fade slope information
������� 3.2���� Fade slope prediction method
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