"user manual"
Contents
1. Frame rate lt your choice gt HD SDI format ARRIRAW 1 5G DL Scan format p Output range Raw REC OUT fps sets sensor fps Enabled when shooting standard HD rates 23 98 24 00 25 00 Disabled when shooting off speeds variframe SDI Remote On Variflag On The HD SDI format should be set first and most other listed settings will be automatically filled in If you intend to send TC to the Codex recorder via HD SDI the Alexa s TIMECODE gt OPTIONS menu should be configured as follows Source Int TC or Ext LTC depending on user requirements Mode Free Run Note When recording stereo ARRIRAW to a Codex Onboard the maximum framerate is 25fps 3 Camera cabling and configuration The Codex Onboard Recorder has 4x BNC ports for video input which are labelled 1 2 3 and 4 nputs 1 and 2 should be used for the LEFT eye camera nputs 3 and 4 should be used for the RIGHT eye camera Both cameras must be configured to the same video format and frame rate tis essential that the video outputs of the camera are in sync so that each image pair one image from each camera arrives at the recorder at the same time instant The shutters and video outputs of the two Alexa cameras should be synchronised using the proprietary ethernet link cable Refer to the Alexa user manual for information on how to do this The HD SDI cabling r2. Variframe Off or On Remaining settings nput Default Output 4 2 2 forces both monitoring video outputs to be 4 2 2 single link Play Sync Choose a genlock source for playback Default setting Internal Note the Onboard provides a 1440x810 debayered output for ARRIRAW 1620p In live mode Output 1 is for the left camera and Output 2 is for the right camera In playback mode only Output 1 is active and switches between showing the left and the right cameras each time stop is pressed during playback Menu SETUP gt TIMECODE TIMECODE SETUP Select the timecode source to use for all video channels Note that HD VANC timecode is read from the LEFT camera and applied to all channels When shooting Variframe from Alexa the Onboard is able to record valid timecode from the camera using the HD VANC setting but only if Fix TC Breaks is set to No When using a Codex Transfer Station Digital Lab to deliver files from the VFS this must be set up so the TC Rate matches the project timecode rate in order that the timecode of deliverables is correct TC source HD VANC LTC TCG AUX source None HD VANC UB LTC UB TCG UB etadata None Fix TC break No t is possible to define the delay present in the video and timecode inputs These settings define how many image or timecode samples should be discarded from the beginning of a captured clip in order that they sync with the audio
3. input Video delay None 1 2 3 4 frames TC delay None 1 2 3 4 frames Menu SETUP gt AUDIO AUDIO SETUP Configure the audio settings to your projects requirements The Onboard Recorder supports Up to 8 channels of embedded digital audio HD AiV Up to 4 channels of AES digital audio Up to 2 channels of analog lime level audio nput AES HD AiV Line Channels None 1 2 4 6 8 Number of channels Set to None if no audio is required nput Level 22 18 15 12 8 dBu Only applicable to analog sources AES SRC On Off Only applicable to AES sources and should be On if the audio feed is not genlocked to the video Bits 24 f no audio is to be recorded to the Onboard recorder then the user should disable audio capture by setting Channels to None None of the other items in the AUDIO menu have any effect when audio is disabled Note that audio input is ignored if SETUP gt VIDEO gt Variframe On 4 4 During a shoot Playback settings When on the TRANSPORT screen for E E PLAYback or REC the Options button is available on the left most button under the screen Menu TRANSPORT gt Options TRANSPORT OPTIONS The following are sensible defaults LUT lt off gt Volume 15 Play loop Repeat Play range All Play rate Default 23 98 24 00 Play chans Single video play one video channel at a t
4. you will see a message INVALID VIDEO FORMAT FOR PACK and will not be able to record Menu SETUP gt PROJECT PROJECT SETUP The PROJECT SETUP menu allows you to set global metadata fields that are applied to recorded clips When a recording is made the current values of these fields are associated with the new clip The default field values are shown below most are blank 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 gt SOURCE SOURCE SETUP The Source ID field allows you to assign a unique identifier to the camera pair This is usually a single uppercase letter the default value being A It is important that each Onboard on a production uses a different Source ID so that Editorial can differentiate between footage from the different stereo rigs Source Name ARRI Alexa Source ID A Setting the Source Name as ARRI Alexa is essential to make sure the Exposure Index and White Balance metadata is used to correctly produce deliverables from Alexa ARRIRAW recordings For stereo recordings it is critical that each video channel is given a unique channel identif
5. 00 The user should set the Format field first which causes the Storage Fps and Quality options to be limited to supported values Format ARRIRAW 1620p Storage 12 bit Bayer Fps 23 98 24 00 25 00 Quality 1 1 Channels 2 for stereo recording Aspect Square for spherical lenses The Alexa V3 0 firmware supports variframe flags over the HD SDI outputs so it is now possible to record ARRIRAW at non HD speeds such a 27fps When shooting variframe you must ensure that The Onboard Recorder s SETUP gt VIDEO gt Variframe setting is set to On The Alexa s MENU gt RECORDING gt REC OUT gt Variframe flags setting is set to On The camera s REC OUT is set to a frame rate that is equal to or higher than the frame rate you wish to Capture For example to capture 27fps you would have to set the camera REC OUT to 29 97 or 30 00 and configure the recorder to match CODEX ONBOARD RECORDER STEREO 3D RECORDING Rev 05 05 2011 PAG m Ww IMPORTANT NOTE The Alexa will not warn you if the REC OUT is not set to a high enough frame rate or if the variframe flags are disabled so be extremely careful when using the variframe function Audio capture on the Onboard Recorder is disabled when in variframe recording mode so It is good practice to set the Onboard recorder s variframe setting to Off when shooting at standard HD frame rates 23 98 24 00 25 00
6. Codex TECHNICAL BULLETIN CODEX ONBOARD RECORDER RECORDINS UN Sl H20 2D REVISION 05 05 2011 Codex Onboard Recorder Stereo 3D Recording The Codex Onboard Recorder Getting Started Guide concisely covers most functions of the Codex Onboard recorder including how to use the remote handset to interact with the menu system The Getting Started document can be downloaded from the Support section of the Codex website http www codexdigital com 1 Shooting stereo ARRIRAW This document describes how to configure the Codex Onboard Recorder to record stereo ARRIRAW images from a pair of ARRI Alexa cameras We assume the following hardware software versions ARRI Alexa EV camera firmware 3 0 final release released 14 Feb 201 1 Codex Onboard recorder software 201 1 r1 2902 released 21 Apr 2011 Note The Alexa firmware version can be viewed using the menu system on the side panel of the camera press the INFO button then the multipurpose button labelled SYSTEM To view the software version on a Codex Onboard Recorder use the remote handset to navigate to the SETUP gt System page The version number will be shown at the top of the screen If the Codex needs to be updated installation packages and instructions can be found at http www codexdigital com software 2 Menu settings on the Alexa camera The Alexa s MENU gt RECORDING gt REC OUT page should be configured as follows
7. Naming Rule Sourceld Diskpack When creating a roll on a Datapack it is common practice to name it with 3 numerical digits e g 001 for the first roll When the default Roll Naming Rule is used the Diskpack name is prefixed by the Sourceld metadata resulting in roll names like AOO1 m N CODEX ONBOARD RECORDER STEREO 3D RECORDING Rev 05 05 2011 PAG Menu SETUP gt GPI GPI SETUP Set Record Trigger to SDI if you wish to trigger recording directly from the camera 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 that a formatted SxS card must be loaded in the Alexa in order for the RECORD button on the camera to be functional The video feed from the LEFT eye camera is monitored for SDI trigger signals Record Trigger SDI or GPI or None The other menu items are specific to GPI triggering GPI Polarity Low or High GPI Type Latching or Momentary GPO Polarity Low or High These should describe the type of electrical GPI trigger that is being used These items are ignored if Record Trigger is set to None or SDI Menu SETUP gt SYSTEM SYSTEM SETUP The Codex Onboard has an ethernet port which allows it to be connected to standard computer network infrastructu
8. equirements for stereo ARRIRAW are 1 T eye link A 2 T eye link B 3 RIGHT eye link A 4 RIGHT eye link B The Onboard Recorder will automatically swap the A and B links within a pair if they are misconnected and a warning message to indicate this will be shown on the user interface CODEX ONBOARD RECORDER STEREO 3D RECORDING Rev 05 05 2011 PAG m 4 Menu parameters for Codex Onboard Recorder 201 1 r1 2902 The majority of menu settings on the Codex Onboard recorder can be set at the start of a shoot and left as is for the duration of the project We will cover these menu items first then move on to the settings that a camera crew might interact with on a day to day basis 4 1 Quick review on how to enter the SETUP menu using the remote handset Press the ARROW button The root menu Back Play Setup Storage will be displayed at the bottom of the screen Press the Setup button The list of all setup pages will be displayed You can scroll through the page titles using the rotary dial Press the centre of the rotary dial to select a particular setup page 4 2 Before a shoot Project wide settings Menu STORAGE Rolls must be created as RAID O to allow the bandwidth required for stereo ARRIRAW recording If a Roll is created as RAID 1 then once all the format settings have been done and the unit is in Live mode
9. ier It is typical to Use the channel identifiers L and R After a clip has been recorded these channel identifiers can be used to augment the roll names of file deliverables For example a 2 channel video clip with the roll name AOO1 could be presented as two image sequences left eye mapping to roll name AOO1L and right eye to AOOIR Codex Lab and Transfer Station products employ the Codex Virtual File System VFS to present clips on a Datapack as image movie files for use in Post Production VFS configuration and usage is outside the scope of this document but needless to say the channel identifiers are vital to creating sensible file deliverables from stereo clips Channel ID V1 L Channel ID V2 R Note The value of the SETUP gt VIDEO gt Channels menu item dictates how many Channel ID V fields are shown on this page In the case of stereo recording it is possible to define two channel identifiers Menu SETUP gt 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 default rules have been carefully crafted to be suitable for the vast majority of shoots and are suitable for both 2D and S3D shooting Shot Naming Rule Scene Take _ r Roll
10. ime through HD SDI output 1 Press the STOP button on the control handset to toggle between video channels TC source TC TC type Standard Note that it is possible to force a particular playback rate It is typical to set this to 23 98 or 24 00 for most film productions so that off speed varispeed clips are always played back at the intended projection rate CODEX ONBOARD RECORDER STEREO 3D RECORDING Rev 05 05 2011 PAG m D 24 hour support line 44 O 7985 467 665 CODEX DIGITAL LIMITED 60 P WIF TNT UK L 44 0 20 7292 6918 CODE Codex Digital Limited reserve the right to alter the specification at any time and without prior notice Copyright Codex Digital Limited April 201 1
11. re The network IP configuration can be set here P 10 82 95 101 ask 255 255 255 0 Gateway 10 82 95 1 DNS INVALID tis necessary to configure the network port if you wish to use the remote user interface Ul software to control the Codex Onboard Recorder The software is Currently available for Mac OSX and Windows but its use is outside the scope of this document The System control setting determines whether remote Ul software is allowed to take control of the recorder This can be set to Locked to prevent a network user from taking control of the recorder System control Unlocked The next three settings determine the brightness level of the Codex light rings and the remote handset s LCD display The user can pick a level in the range O dim off to 15 bright and the default level is 12 Screen contrast 12 Control ring bright 12 Main ring bright 12 If the Onboard recorder receives power from the Alexa s 24V regulated RS power output then there is mo benefit in enabling a shutdown voltage level Shutdown volts Disabled 4 3 During a shoot Video Audio Timecode settings Here we describe the menu pages that are likely to be used on a day to day basis during a shoot VIDEO AUDIO and TIMECODE Menu SETUP gt VIDEO VIDEO SETUP The Codex Onboard supports the following ARRIRAW formats for stereo Dual link 1 5Gb ARRIRAW 1620p 23 98 24 00 25
Download Pdf Manuals
Related Search