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hierarchy_descriptor (MPEG-2)

To describe the relationship between heirarchical video and audio streams, the MPEG-2 hierarchy_descriptor can be used.

descriptor syntax
syntaxbit index# of bitsmnemonic
descriptor_tag08uimsbf
descriptor_length88bslbf
reserved164'1111'
hierarchy_type204uimsbf
reserved242'11'
hierarchy_layer_index266uimsbf
reserved322'11'
hierarchy_embedded_layer346bslbf
reserved402'11'
hierarchy_channel426bslbf
legend
Note: bit index is only indicated for the first time through the descriptor.

See: MPEG-2 descriptors

See Also: Descriptors Generally

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