User manual

Recoding DVDs and Videos to Nero Digital™
Nero Recode Page 43
check box compression for individual images at particular points in the video.
Macroblock level
check box
Takes into account the human perception so as to achieve better
compression for macroblocks in particular areas of the picture.
9.2.2.4 Encoding method options
Under Encoding method options you can define settings for quantization and bit rate.
The following input options are available:
Encoding method options area
Automatically select
maximum bit rate
check box
Automatically sets the bit rate.
The bit rate is the data transmission speed. It is stated as bit/s
or bps.
Maximum bit rate
input field
Specifies the bit rate.
Enabled only when the Automatically select maximum bit
rate check box is disabled.
9.2.2.5 Multithreading
Nero Recode supports multi-core processors. If you have one of these, you can distribute
the encoding process over the desired number of threads.
The following input options are available:
Multithreading settings area
Number of
threads/slices
drop-down menu
Defines whether the encoding process should be performed by mul-
tiple threads. The number of processor cores used corresponds to
the number of threads you have selected. This ensures optimal use
of a multi-core processor system.
9.2.3 Defining audio settings
The following information is listed in the columns on the Video tab:
Property
Shows the properties saved on the DVD, e.g. resolution, frames per sec-
ond, pixel shape and video structure.
Source
Shows the original size.
Target
Shows the target sizes depending on the selected Nero Digital™ profile.
Click the Settings button to open the Properties of Nero Digital™ audio window. Settings
for the audio encoder can be defined here.
The following input options are available:
Nero Digital™ audio profiles area
Automatic settings
(recommended)
radio button
Automatically adapts the audio profiles to the Nero Digital™
profile, so that the quality of the audio track best corresponds to
the output medium.
Custom profile
option button
Activates the combo boxes Audio channels, Mode, Scan rate
and Bit rate.