Specifications
955-0002_v3.3, Rev-B  COPYRIGHT © 2012 RED.cm, Inc. 
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APPENDIX D: AUDIO SUBSYSTEM INFORMATION 
AUDIO FORMAT 
The audio format is always either 2 or 4 channels of 24-bit audio data recorded at 48kHz. The audio data 
is embedded in the R3D file and can be exported from REDCINE-X into separate audio files. 
CHANNEL SETUP 
SOURCE SELECTION 
Audio is always recoded at channel pairs. Each of the two channel pairs can be assigned to one of the 
following sources (Or none of them): 
•  Camera Analog Microphone Input 
•  Pro I/O Analog Microphone/Line In Input 
•  Pro I/O AES 1/2 or AES 3/4 Digital Input 










