Dolby Laboratories DolbyRemote DP569, Инструкция по установке и эксплуатации, Страница: 25 / 36

DolbyRemote Installation and Operation Dolby Digital Parameters
4-9
Surround Mix Level
Surround Mix Level is a parameter that indicates to the decoder the nominal
downmix level of the surround channel(s) with respect to the left and right channels
when listening in stereo. This is only active when in 2/1, 2/2, 3/1, or 3/2 coding
modes. This parameter is not available on the DP567.
Dolby Surround Mode
Dolby Surround Mode is a parameter that allows you to indicate when an encoded
two-channel Dolby Digital bitstream is conveying a Dolby Surround encoded
program. It causes A/V receivers to utilize Dolby Pro Logic decoding as well as
Dolby Digital decoding when the material is flagged as Dolby Surround. This is only
active when in the 2/0 coding mode.
Copyright Bit
Copyright Bit is an informational parameter that indicates whether or not the Dolby
Digital bitstream is protected by copyright.
Original Bitstream
Original Bitstream is an informational parameter that allows you to indicate whether
the encoded Dolby Digital bitstream is an original or a copy.
4.3.2 Audio Production Information
Info Exists
Info Exist s is a flag to indicate whether the Mix Level and Room Type parameters
are valid for this Dolby Digital bitstream.
Mix Level
Mix Level is an informational parameter that indicates the peak acoustic sound
pressure level during the final audio mixing session of the encoded Dolby Digital
bitstream.
Room Type
Room Type indicates the type and equalization of the mixing room used for the final
audio mixing session of the encoded Dolby Digital bitstream.
4.4 Dual Mono
These fields are only applied when the coding mode is set to 1+1. In this case these
parameters apply to channel two.