Bedienungsanleitung Red One 31.6.16 - 2011 (Seite 10 von 165) (Englisch)

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Build 31 v31.6.16 Beta

IMAGE PROCESSING

The digital images received from the MYSTERIUM or MYSTERIUM X sensors are formatted as pixel de-

fect corrected (but not color processed) RAW data - similar to digital RAW stills cameras.

The sequence of RAW images received from the sensor is compressed using proprietary 12-bit RED-

CODE™ RAW compression. The REDCODE RAW data recorded is independent of the RGB signal moni-

tored in the monitoring path. ISO, White Balance and other RGB color adjustments made to the RGB

monitoring path are not burned into the recorded 12-bit REDCODE RAW data.

REDCODE RAW images can be stored on Compact Flash, RED-DRIVE®, RED-RAM® or RED-RAID®

media.

The camera’s RGB monitoring path independently converts the sequence of RAW images received from

the sensor to white balanced 10-bit 1280 x 720 pixel RGB 4:4:4 video. This signal may be modified using

ISO, White Balance and other RGB color adjustments and provides monitor feeds for the RED EVF,

BOMB (Pro) EVF, RED LCD, Preview HD-SDI and HDMI outputs.

If a specific set of RGB image processing values are desired to be repeatable on-set, a LOOK file may be

created either by the camera or the REDCINE-X™ application software.

AUDIO RECORDING

The RED ONE includes four channels of analog audio input processing, Peak Level meter, headphone

monitor and 2-channel balanced analog audio output. Audio is digitized at 24-bit depth and 48 KHz and

recorded in synchronization with video and timecode to the attached media. Digital audio is also embed-

ded in the HDMI, Preview and Program HD-SDI outputs.

Line Level and Microphone Level analog audio input signals are routed via a high quality A/D and pre-

amplifier, whose gain stage may be controlled using the Input Level control to achieve the desired audio

reference / recording level.

To assist with audio operating reference level setup, the camera provides a color-coded 3dB per division

Peak Level meter with 0dBu (-20dBFS) Witness Mark in the Graphical User Interface.

Peak Level meter range is –34dBu to +20dBu (-54dBFS to 0dBFS) and provides clip indication.

LINE LEVEL INPUTS

Line level audio inputs are designed to operate at unity gain (0dB Input Level); therefore an appropriate

line output level should be established by your field production mixer or other external signal source.

Reference signal level for Line inputs is 0dBu / 0.775 volts RMS / -20dBFS when operating at 0dB Input

Level. The maximum input signal that can be applied before the onset of input signal clipping is +18dBu /

6.5 volts RMS / - 2dBFS. I.e. this setting supports a guaranteed minimum of 18dB of input signal head-

room above reference, plus the maximum available Signal to Noise Ratio for the resulting 24-bit digital

recording.

MICROPHONE LEVEL INPUTS

The recorded signal levels of Microphone inputs are affected by the sensitivity of the microphone and the

Input Level setting. Range is +36dB to +54dB, with a default value of +36dB. The camera operator

should choose an Input Level that aligns the input signal to the reference line drawn vertically through the

camera’s PPM, indicating 0dBu.

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Red One 31.6.16 - 2011 Seite 10

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