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Page 102 OmniTek XR User Guide, Software Release 2.3
Metadata Segment
This is the part of the Dolby frame that carries (the majority of) the Dolby metadata. The
main items are:
Key
Bitstream key for the Metadata segment (where used)
Revision ID
Revision of Metadata segment syntax used
Segment size
Number of words allocated to the metadata segment
(not counting the CRC or the bitstream key)
Program configuration
Program/Channel Counts plus details of the program
and channel sequences specified for the audio data
Frame Rate
Frame rate type and value
Frame Count
Value, coloured red if there has been a discontinuity
SMPTE time code
Value where valid. Otherwise ‘Invalid’ and coloured red
Subsegment size(s)
Number of words allocated to the specified subsegment
Program, Channel data
Descriptions of the specified programs/channels
Subsegment data
Information about the following metadata subsegment
CRC and CRC errors
Transmitted CRC and count of CRC errors
Audio Segment
This is the part of the Dolby frame that carries the coded audio. The Status window just
reports:
Key
Bitstream key for the Audio segment (where used)
CRC and CRC errors
Transmitted CRC and count of CRC errors
Metadata Extension and Audio Extension segments
Optional extensions for the metadata and audio segments. The status window just
reports:
Key
Bitstream key for the Audio segment (where used)
CRC and CRC errors
Transmitted CRC and count of CRC errors
Meter Segment
This plus the following ‘Channels’ section carry the metering information for the audio
encoded in the frame. This part of the display reports:
Key
Bitstream key for the Meter segment (where used)
CRC and CRC errors
Transmitted CRC and count of CRC errors
Channels
This part of the display shows for each channel:
• The level of the current frame
• The number of frames since the display was last reset that have beyond the Clip,
Over, Silence and Mute levels specified for the channel
• The Peak level recorded since the display was last reset.
These details are deduced from information transmitted as part of the Meter Segment of
the Dolby-E Frame but is displayed in a separate Channels section to make this
information readily accessible.