Scaling Mode; Framerate - HELIX Broadcaster 100 User Manual

Helix Broadcaster 100 Touch Screen User Guide

Scaling Mode

The
differ, Helix Broadcaster increases or decreases the video size as necessary to fit the output
settings. This can cause visible distortion. The following figure illustrates a 16:9 video changed
to a 4:3 aspect ratio, which compresses the video image in its horizontal dimension.

Framerate

The video frame rate determines how many visual frames are encoded for display each second.
The
Video streamed over the Internet is typically encoded at a frame rate of 15 to 30 frames per
second, although lower-bandwidth videos may be encoded at slower frame rates. The default
value, which preserves the input frame rate, is
Framerate
Downsampling or Upsampling
The downsampling and upsampling values allow you to change the input and output frame
rates among those used in film and video production:
feature film
PAL video
NTSC video
settings are currently not functional. If the input and output aspect ratios
Scaling Mode
drop-down provides several choices for altering the frame rate in the output.
Framerate
24 frames per second
25 frames per second
frames per second
30
CHAPTER 4: Video and Audio Options
.
Keep Source Framerate
27