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Live (WMV) Service
71
Vision
2
Operation/Reference Guide
Live (WMV) Service
The Vision
2
Live (WMV) Service provides a single live TV channel to the system. It uses an A/V capture card
and Windows Media 9 (WM9) to provide the software encoding of composite, S-video, and component video
and audio signals into a WM9 unicast stream. Live Services as with all other Vision
2
services are managed by
the Vision
2
Services Manager web interface to provide a unicast stream over HTTP.
Configuring the AMX Vision
2
Dual Encoder
When you select Configure Encoder from the WMV Encoder menu and select AMX Vision
2
Dual Encoder
from the Encoder Type menu, the following page appears (FIG. 68):
This page contains the following options:
FIG. 68
Configure Live WMV Service
Service Settings Options
Service Name
The name of the service as it appears in the left pane of the main window.
Encoder Type
Use the options menu to select the type of WMV encoder you want to
configure. Click Apply if selecting a new encoder type.
Encoder
Select the Enable check box to Start or uncheck to Stop the encoder.
Encoder Number
Selects the Capture card and Encoder (Encoder 1 or Encoder 2).
Encoder Input
Selects the input port on the capture card (Component, Composite, or
S-Video).
S-Video
: The video signal is divided into luminance and chrominance. Results
in good-quality video.
Composite video
: Composite video should only be used as a source as a last
resort. With composite video, luminance and chrominance components are
mixed, which makes it difficult to get good-quality video.
Encoder Format
Selects the required Video Standard (PAL or NTSC).
Encoder Profile
This enables the selection of pre-configured encoder profiles at Preset Bit
rates. A profile is a collection of properties tailored to the type of content being
encoded, the audience, and the intended distribution (file or broadcast). The
properties stored in a profile include: the audio and video quality, connection
speed for the intended audience, available bandwidth, and appropriate codecs.
The use of profiles simplifies the process of setting up an encoding session.
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Страница 127: ...Record Service 117 Vision2 Operation Reference Guide ...