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Live (MPEG) Service
70
Vision
2
Operation/Reference Guide
The following options are available in the encoding section:
Perform these steps to configure the MPEG multicast stream:
1.
Select
Configure Encoder
from the MAX Encoder menu. The Live Service page opens (FIG. 64).
2.
Use the
Video Input
options menu to indicate whether you are connecting to the S-video or composite
port on the MAX encoder.
3.
Use the
Video Standard
options menu to indicate which video standard the MAX encoder is using.
4.
Use the
Aspect Ratio
options menu to indicate the aspect ratio you want to use for the multicast stream.
5.
Use the
Video Resolution
options menu to indicate the video resolution of the multicast stream.
6.
Use the
Video Bitrate
options menu to indicate the video bitrate of the multicast stream.
7.
Use the
Video Mode
options menu to indicate the video mode of the multicast stream. It is recommended
that you select CBR.
8.
Use the
Audio Bitrate
options menu to indicate the audio bitrate of the multicast stream.
9.
Use the
Audio Sample Rate
options menu to indicate the audio sample rate of the multicast stream.
10.
Click
Apply
. Clicking Apply saves your configuration.
11.
Click the
Enable
check box to begin the multicast stream.
Encoding Settings Options
Video Input
The MAX encoder supports either S-Video or Composite video inputs.
Video Standard
The MAX encoder supports NTSC (USA and Japan) and PAL (rest of the
world, excluding France) video standards.
Aspect Ratio
The MAX encoder is supports a 4:3 and 16:9 aspect ratio.
Encoder Profile
Vision
2
supports only the MAX Custom encoder profile.
Video CODEC
Vision
2
supports only MPEG-2 video compression on the MAX encoder.
Video Resolution
The MAX encoder supports D1 (720 x 576 PAL / 640 x 480 NTSC) and SIF
(360 x 288 PAL / 320 x 240 NTSC) resolutions.
Video Bitrate
The MAX encoder supports a range of selected video bitrates from 500 Kbits to
6 Mbits. The recommended encoding bitrate is 6 Mbits.
Video Mode
The MAX encoder supports Constant Bit Rate (CBR) and Variable Bit Rate
(VBR) modes. For multicasting, CBR is recommended as it produces a
constant rate over the network.
Audio CODEC
Vision
2
supports only MP3 audio compression on the MAX encoder.
Audio Bitrate
The MAX encoder supports audio bitrates of 96K and 192K.
Audio Sample Rate
The MAX encoder supports audio sample rates of 32, 44.1, and 48K.
With the stream enabled, you cannot change any of the multicast or encoding
parameters.
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Страница 127: ...Record Service 117 Vision2 Operation Reference Guide ...