2 operating mode – Dolby Laboratories DP572 User Manual

Page 41

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Dolby E Multichannel Distribution System User Manual

DP571 Dolby E Encoder

3-9

3.2.2

Operating Mode

Figure 3-5 Operating Mode menu

Time Code Input

This parameter controls where the DP571 derives its time code information.

LTC:

LTC In connector supplies time code.

VITC:

Vertical Interval Time Code is derived from the Video Ref In
connector.

Metadata Revert

This parameter determines what happens if the external metadata source is interrupted.
These settings are only active if the Metadata Source is set to External or Ext Override.

Stop Encoding: Stops encoding and displays error status on front-panel Error LED.

Most likely useful only in postproduction.

Last Used:

Continues encoding using the last values set by the external source.

Preset:

If any metadata parameters are missing, the Program Config selected
in Metadata Params: Reversion Preset is used but no Dolby Digital
metadata is included in the Dolby E bitstream.
See Section 3.2.4 -
Metadata Params
.

Adaptive: Behaves

like

Last Used if the metadata disappears completely.

Behaves like Preset if any metadata parameters are missing.

DP571 Unit Setup

Operating Mode

Operating Mode

Metadata Revert

Operating Mode

Metadata Source

Operating Mode

48kHz Pull Down

Time Code Input

LTC

48kHz Pull Down

Disable

Metadata Revert

Last Used

Metadata Source

Internal

Time Code Input

VITC

48kHz Pull Down

Enable

Metadata Revert

Adaptive

Metadata Source

Ext Override

Metadata Revert

Stop Encoding

Metadata Source

External

Metadata Revert

Preset

Operating Mode

Time Code Input

Enter

Enter

Enter

Enter

Enter

Esc

Esc

Esc

Esc

Esc

Operating Mode

AC-3 Metadata

AC-3 Metadata

Disable

AC-3 Metadata

Enable

Enter

Esc

Operating Mode

Frame Rate

Frame Rate

29.97 fps

Frame Rate

25 fps

Enter

Esc

Operating Mode

Bit Depth

Bit Depth

20-bit

Bit Depth

16-bit

Enter

Esc

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