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Chapter 4
Advanced Audio Processing
68
Figure 4-2. Dolby E Block Diagrams
Dolby-E Alignment
It is important to maintain a proper timing relationship between the Dolby-E header and the
first line of video especially when recording video with embedded audio on tape transports.
This is commonly known as the
guard band . On the X50, the Dolby-E alignment timing is
determined by the value of the SDI 1 or SDI 2 Dolby E Start Line embedder controls in
EMB x >Controls .
Note: If Dolby E is embedded, the module’s output frame rate must match the frame rate
of the Dolby E stream.
L, R
C, LFE
Ls, Rs
Metadata
Up to 8
Outputs
Decode Dolby E
Dolby E Decoder
Lb, Rb
Dolby E Encoder
Dolby E
Encoder
Up to 8
Inputs
AAP
Internal
Metadata
Lb, Rb
L, R
C, LFE
Ls, Rs
Serial In
Metadata Gen
SDI
AAP 1 DE Decoder
AAP 2 DE Decoder