Extron electronics SMP 111, Руководство пользователя

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SMP 111 • Web-Based User Interface 43
Default encoder presets
Any of the default encoder presets or user-created presets can be recalled and applied to
a recording session (recording encoder) and stream. Presets can also be recalled using SIS
Commands (see the
Encoder Presets on page 78).
SMP 111 supports up to two encodes (recording, streaming), one recording, one local
output, and live streams simultaneously.
The first eight encoder presets are predefined, with the GOP at
30 and the Audio delay
set at 0 milliseconds. These encoder presets can be overwritten. Presets 9 through 16 are
unassigned and unconfigured. All Encoder Presets and Streaming Presets can
be configured on the Encoding & Metadata page. Preset 3 is the default value for the
Archive Encoder.
Preset
#
Preset
Name
Resolution Video
Bit Rate
(kbps)
Frame
Rate
(fps)
Audio
Bit Rate
(kbps)
Bit Rate
Control
GOP
Length
H.264
Profile
H.264
Level
1 1080p High 1920x1080 8000 30 320 VBR 30 High 4.1
2 1080p Low 1920x1080 6000 15 128 CVBR 30 Main 3.2
* 3 720p High 1280x720 5000 30 192 VBR 30 High 3.1
4 720p Low 1280x720 3000 15 128 CVBR 30 Main 3.1
5 480p High 848x480 2500 30 128 VBR 30 High 3.1
6 480p Low 848x480 1500 15 96 CVBR 30 Main 3.1
7 VGA High 1280x1024 3500 30 128 VBR 30 High 4.1
8 VGA Low 1024x768 2500 15 128 VBR 30 High 3.1
9-16 User Defined
NOTES:
• * Audio settings are determined by the encoding recording. Audio for streaming monitoring is not
re-encoded. Therefore, by default, the recording uses encoder preset 3, and the audio bit rate is 192 kbps.
Default audio sample rate is 48 kHz. When RTMP Push streaming is selected, the audio sample rate is
changed to 44.1 kHz automatically.
• Default recording mode is video and audio.
• The predefined Encoder Presets can be modified by the user. If necessary, a factory reset returns all
settings to the above table values.
An overview of encoding
Each of the two encoding presets can be used for multiple purposes. It can be useful to
understand how each encoder is typically used and the differences.
Encoding
Stream
Usage Conditions or Differences
Recording
Encoding Recording Refresh rate: 5 to 30 fps
Local HDMI output through
the rear panel Output port Refresh rate: 50 or 60 Hz.
Does not use the compression settings
specified in the archive encoder preset. This
output bypasses compression and encoding.
Streaming
Encoding Live stream via the LAN
port and network if using a
decoder application
NOTE: See the SMP 111 Embedded Web Pages Help File , for details about the
operation of the encoding controls.