Codex Arriraw Manuel d'utilisateur télécharger pdf (Page 3)

CODEX ONBOARD RECORDER – RECORDING ARRIRAW 2160p Rev10.01.2012 PAGE 2

Production: CODEX

Production Company:

Unit:

Director:

DP:

Location:

Codex Operator:

The “Production” metadata field is the only significant field. Here you should enter the name of your production

(usually in UPPERcase). MXF file deliverables will use this to set the Avid Bin name.

Menu: SETUP->SLATE (“SLATE SETUP”)

This menu defines the naming conventions for a production. These rules are usually decided in advance of a

shoot, in consultation with Editorial and Post Production departments. Expert users may choose to customise

these rules, but the preset default rules have been carefully crafted to be suitable for the vast majority of

shoots. Press the ‘Next‘ button of the Control Panel to move through the presets for ‘Shot Naming Rule‘ and

‘Roll Naming Rule‘ on the SETUP>Slate menu.

There are two basic ways to work: Onboard only, or Onboard/SxS combined.

If using an Onboard only workflow then all deliverables will be generated from the Codex Datapack, and these

naming rules may be used:

Shot Naming Rule: “{Scene}-{Take}_{r}”

Roll Naming Rule: “{SourceId}{Diskpack}”

If using an Onboard/SxS workflow then elements of the naming of media on the SxS cards and the Codex

Datapack needs to match. In this case there are presets on the Codex Onboard which should be used in

order to gather this information from the HD-SDI stream.

Shot Naming Rule: “{AlexaTake}_{AlexaReel}” or “{AlexaSxSName}”

Roll Naming Rule: “{AlexaReel}”

For the conform stage of a project the Reel, Take and Timecode information from the ProRes media will be

used. The ‘Shot Naming Rule’ choice is therefore optional - the “{AlexaTake}_{AlexaReel}” option gives

more concise names, while the “{AlexaSxSName}” option gives longer names which exactly match the SxS

ProRes files.

Note: The {AlexaSxSName} contains the date. This is generated by the Onboard from it‘s internal clock, since

the date is not currently passed in the video stream. Therefore it‘s important to check the Onboard clock

matches the Alexa if this metadata is to be used. The Onboard time and date can be set from the SETUP-

>Date/Time menu.

Note: When on set, the take number only increments when a recording has been started on the Alexa, so

whilst in E-E the take on both the camera display and the Onboard refers to the previous rather than the next

recording.

Menu: SETUP->SOURCE (“SOURCE SETUP”)

For a typical 2D camera shoot, the only important setting on this page is “Source ID”. This is usually set to be

the camera identification letter, the default being “A”. It is important that each Onboard on a production uses a

different “Source ID”, so that Editorial can differentiate between them. The “Source Name” metadata is sent by

the Alexa.

Source Name: ARRI Alexa

Source ID: A

Serial No: [Note: no need to manually fill in because the Onboard automatically detects the Alexa serial

number]

It is possible to specify a unique identifier for each video channel. This feature is useful when multiple cameras

are connected to a single Codex Onboard recorder (e.g. for stereo 3D), but is not important when using one

camera per Codex Onboard. When using one recorder per camera it is fine to leave the Channel IDs set to the

default “V?” pattern.

Channel ID V1: V1

Note: The value of the “SETUP->VIDEO->Channels” menu item dictates how many “Channel ID V?” fields are

shown on this page.

Menu: SETUP->GPI (“GPI SETUP”)

It is possible to start/stop the Codex Onboard recorder using the Alexa’s “REC” button.

Set “Record Trigger” to “SDI” trigger recording from the camera and/or if you wish to synchronise with SxS

recording. Set “Record Trigger” to “GPI” if you wish to use a custom electrical trigger (e.g. Preston control), or

“None” if you intend to use the RECORD/STOP buttons on the recorder to start/stop recording.

Note: the “Hold” button on the Control Panel should be engaged when using the SDI record trigger from ARRI

Alexa, otherwise the “Stop” button will still be active during recording and takes could be cut by accidentally

pressing the button.

Record Trigger: GPI or SDI or None

The other menu items are specific to “GPI” triggering:

GPI Polarity: Low or High

GPI Type: Latching or Momentary

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Codex Arriraw Manuel d'utilisateur Page 3

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