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ARRI ALEXA Series User Manual

ARRI ALEXA Series
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76 Camera Controls
Press the OPTIONS button to open the AUDIO IN>OPTIONS screen and
set audio parameters.
Figure 47: AUDIO IN>OPTIONS screen
Option Description
Record Turns audio recording On or Off.
If audio recording is switched off, no audio
is recorded internally, the HD-SDI contains
no audio and the Audio out is muted.
Channel 1 level Manual allows the user to manually apply
gain to the input signal on channel 1 to
reach a correct level.
Unity matches a 4 dBu input signal to -20
dBFS. This setting leaves enough headroom
for recording and avoids audio clipping.
When Unity is selected, audio levels cannot
be adjusted by the user.
Channel 2 level Manual allows the user to manually apply
gain to the input signal on channel 2 to
reach a correct level.
Unity matches a 4 dBu input signal to -20
dBFS. This setting leaves enough headroom
for recording and avoids audio clipping.
When Unity is selected, audio levels cannot
be adjusted by the user.
Channel 1 source Select the left or right input signal as the
source for Channel 1.
Channel 2 source Select the left or right input signal as the
source for Channel 2.
Soundroll (=Tape) Enter a name for the sound roll (also known
as Tape in the menus of some recorders) of
an external audio recorder, for easier sound
synching in post-production. The name will
be written to the FCP XML file and the Avid
Log Exchange (ALE) file on the recording
media.

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ARRI ALEXA Series Specifications

General IconGeneral
Dynamic Range14+ stops
Resolution4.5K (ALEXA LF), 6.5K (ALEXA 65)
Recording FormatsARRIRAW, Apple ProRes
Lens MountPL mount
ViewfinderOptional EVF (Electronic Viewfinder)
Sensor SizeSuper 35 (most models), Large Format (ALEXA LF, ALEXA 65)
ISO RangeEI 160 - EI 3200 (Base ISO 800)

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