Dolby Laboratories Multichannel Audio Tool DP570 - Manual (Page 48)

32 Dolby ® DP570 Multichannel Audio Tool User’s Manual
Using the DP570 Features
and Speech. Each profile is a set of compression parameters such as ratio, attack, and
release.
For detailed information, see Section D.4 .
The Custom adjustment on the emulator allows you to simulate a consumer decoder with
the ability to vary the amount of DRC applied. This variation is to the Line mode profile
you have selected. Like all emulator controls, it does not affect the metadata or router
output streams.
To modify the default profile in the remote software, use the drop‐down lists and check
boxes on the Dynamic Range metadata tab.
4.9 Holding Metadata
The Metadata Hold button shown in Figure 4‐6 allows you to repeat the selected metadata
for as long as you like. When you press it, the DP570 “holds” the metadata for the current
frame and repeats it in each frame until you click the button again to turn the feature off.
Figure 4‐8
Figure 4-6 Metadata Hold Button
4.10 User Presets
You can save system settings in up to 32 separate presets for quick recall in the Setup User
Presets window shown in
Figure 4‐7 .
You can store authoring‐only subsets, emulator‐only setting subsets, and combinations
that recall both emulator and authoring settings at once.
Authoring‐only presets, marked with an “A” after the number, include:
• Dolby E program configuration
• All metadata parameters for each program
• The source for each metadata parameter
Emulator‐only presets, marked with an “E” after the number, include:
• DRC and downmix modes
• Speaker‐system choice
• Bass management
• Router settings
• LFE monitor mode
The third type, All, includes both authoring and emulator settings.
Tip: Remember to set the dialogue level parameter properly before making judgments
about DRC.