Dolby Laboratories DP524 Instrukcja Użytkownika Pobierz pdf (Strona 43)

DP571 Dolby

E Encoder User’s Manual Setup Menus

7.2.8 Metadata Parameters

This section defines the DP571 metadata parameters and their default settings. For a

full discussion of metadata, see the Dolby Metadata Guide.

Table 7-2 Metadata Parameter Definitions

Parameter

Display

Description

Dialogue

Lev

Controls dialogue normalization.

Channel

Mode

Designates the number of active channels.

Indicates whether LFE channel is present. Available only in channel

modes 3/2, 3/1, 3/0, 2/2, and 2/1.

LFE Channel

Bitstrm

Mode

Describes the audio service carried in the bitstream. Informational only.

Line Mode

Pro

Designates preset compression configuration for line-mode decoding.

RF Mode Pro

Designates preset compression configuration for RF-mode decoding.

Designates downmix level for the C channel when end user has no

center speaker. Default is 0.707 (–3 dB).

Center

Dwnmx

Designates downmix level for surround channels when end user has no

surround speakers. Note that the

0 (-999 dB) setting discards the

surround channels. Default is 0.707 (–3 dB).

Srnd Dwnmx

Indicates whether a two-channel encoded bitstream contains a Dolby

Surround (Lt/Rt) program and requires Dolby Pro Logic

decoding.

Default is Not Dolby Srnd.

Dolby Srnd

Indicates whether the Mixing Level and Room Type parameter settings

are carried in the bitstream.

Audio Prod

Info

Indicates absolute acoustic SPL of main dialogue channel during final

mixing session. Informational only.

Mixing

Level

Indicates size and calibration of the mixing room used for the final

mixing session. Informational only.

Room Type

Indicates whether the encoded bitstream is copyright protected.

Informational only.

Indicates whether the encoded Dolby Digital bitstream is the master

version. Informational only.

Orig

Bitstrm

Pref Dwnmx

Designates preference for Lt/Rt or Lo/Ro stereo downmix.

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