Merging VCube, Руководство пользователя

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Recording and Acquisition : Recording Page 63
Down Sampling Field shows the current color sub-sampling scheme. 4.2.2 is the default.
Up Conversion Mode Field shows current conversion mode. Options will vary with the Pixel Aspect Mode set-
ting. E.g. Anamorphic, Letterbox, Pillarbox or None
Pixel Aspect Ratio Field shows the current Pixel Aspect Ratio and the format associated with this. Click on
the down arrow to select an alternative.
Resize Quality Field shows the resizing algorithm selected currently. Click on the down arrow to select
an alternative.
Nearest neighbour Fastest but poor quality
Linear (Bi Linear) Fast and poor quality
Cubic Slow but very good quality
Lanczos Very Slow but excellent quality
Supersampling Slow but very good for large downscaling
Advanced Settings The button is only available when MJPEG or Avid: VC-3/DNxHD are selected as the Com-
pression scheme or when MPEG is selected in File Format. A dialog appears with com-
pression settings.
Notes
• When QuickTime and an MJPEG codec are chosen, Progressive Frame must be selected in Frame Lay-
out to ensure QuickTime player compatibility.
• Frame Rate must be set to match the frame rate of the Composition where the generated Video file is to
be used.
• Compression allows the user to select the CODEC used to generate the new Media File(s). Depending on
the chosen CODEC, it is possible to adjust the Compression Settings.
• For full details about the MPEG Settings, please refer to the dedicated section. We recommend using only
regular Format Type s in the Basic Settings dialog for trouble free operation.
MJPEG codec. A 100 value corresponds to an average 1/3 compression ratio, and a 50 one to an average 1/20
compression ratio.
Audio
File Format The field shows the current File Format. The drop-down list offers a choice of formats
from the following depending on the container chosen. If both Video and Audio are of
the same type, e.g. AVI or QuickTime they are merged inside a single Media File : The
drop-down list offers a choice of formats from the following depending on the container
chosen:
None
AVI (*avi)
MPEG (*mpg)
MPEG (*mpeg)
MPEG (*mpa)
PMF (*pmf)
WAV (*wav)
BWF (*bwf)
AIF (*aif)
SD2 (*.sd2)
QUICKTIME (*.mov)
Number of Channels Indicates the number of physical outputs fed by Audio layers in the Composition.
Word Length Field shows the Word Length selected currently. The drop-down list offers a choice of:
16 bits Fix