CONTENTS

Annex  1 - Hierarchy of compatible multichannel sound systems for broadcasting and recording
Annex  2 - Basic requirements
Annex  3 - Compatibility
 1     Backward compatibility with existing receivers
 2     Downward compatibility with low-cost receivers
Annex  4 - Downward mixing of multichannel audio signals
 1     3/2 source signals
Annex  5 - Upwards conversion
 1     Frontal channels
 2     Surround channels
 3     Data channel
Annex  6 - Additional data
Annex  7 - Low frequency effects channel (LFE)
Annex  8 - Compatibility matrixing and downward mixing