7800/7700 MultiFrame Manual
7812UDXD Series 3G/HD Up/Down/Cross Converter with Simultaneous Dual Format Outputs and AES I/O
Page - 102
Revision 1.1.1
6.31.2.10. Original Bitstream
This control allows the user to author the Original Bitstream metadata for the Dolby bit-stream. This
parameter indicates whether the encoded Dolby Digital bitstream is the master version or a copy. It has
no effect on Dolby Digital decoders and its purpose is purely to provide information. The
Original
Bitstream
drop down menu has the following options:
Not Copyrighted
Indicates the material is not copyrighted material.
Copyrighted Material
Indicates the material is copyrighted.
6.31.2.11. Preferred Down Mix
This control allows the user to author the Preferred Down-Mix metadata for the Dolby bit-stream. This
parameter allows the producer to select either the Lt/Rt or the Lo/Ro downmix in a consumer decoder that
has stereo outputs. Consumer receivers are able to override this selection, but this parameter provides
the opportunity for a 5.1-channel soundtrack to play in Lo/Ro mode without user intervention. This is
especially useful on music material. The
Preferred Down Mix
drop down menu has the following options:
Not Indicated
Not Indicated
LtRt Downmix
Lt/Rt Preferred
LoRo Downmix
Lo/Ro Preferred