Matrox Monarch HD User Manual page 42

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the same encoding settings. In this case, you must select the Use stream
settings for recording
Frame rate
You can choose to stream at your input source's Full frame rate, or at a Half or a
Quarter
¦ Note If your input source is 1920×1080p at 50/59.94/60 fps and the streaming
resolution is set to a width greater than 1280 and/or height greater than 720, the
maximum supported streaming frame rate is 30 fps. If Full is selected from the
Frame rate
source's frame rate after clicking Apply .
Target video data rate
Enter the target average video data rate for your stream. When entering an
average data rate, the minimum and maximum data rates are automatically set
to 90% and 110% of the average data rate, respectively. The default minimum
and maximum values are suitable in most instances, however, you can change the
minimum and maximum values to suit your needs. The maximum average video
data rate for streaming depends on the selected operating mode (see
HD operating modes"
encoding.
GOP size
Type the GOP size (distance between I frames) to which you want to encode
your input source for streaming. Monarch HD uses the IP pattern when encoding
for streaming. For example, a GOP size of 10 creates a GOP structure of
IPPPPPPPPPI.
Include audio
Select Include audio to stream the selected audio source (see
page 24) along with the video. Monarch HD uses the AAC audio format for
streaming. Clear this option if you do not want to include audio in your stream.
Advanced settings
• Profile Set the H.264 encoding profile for your stream to either Baseline ,
Main
suitable in most instances. However, depending on the decoder used when
viewing the stream, such as with mobiles devices, a Main or Baseline profile
may be required.
• Frame slices You can choose to slice each frame into 2 , 4 , or 8 sections
when encoding, or you can select 1 to encode the frame as a whole. Slicing
each frame when encoding the video for streaming may be useful when a
multi-slice decoder device is used to view the stream.
Chapter 4, Specifying Settings and Using the Command Center
option.
of your source's frame rate.
list, the frame rate will automatically be set to Half of the input
on page 25). Monarch HD uses a variable data rate when
, or High . Typically, High profile provides the best image quality and is
"Monarch
"Audio source" on