NCast Hydra Manual de usuario
NCast Presentation Recorder Reference Manual
NCast Product Documentation
Presentation Recorder Hydra
Reference Manual
Revision 1.0
October 14th, 2015
PR-Hydra Software Release .0.0
Copyright © NCast Corporation, 2015
NCast Corporation Revision 1.0
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NCast Presentation Recorder Reference Manual
Table of Contents
1. Introduction............................................................................................................................................. 6
1.1. Purpose............................................................................................................................................ 6
1.2. Document Overview......................................................................................................................... 6
1.3. Presentation Recorders – Hydra......................................................................................................6
1.4. Presentation Recorders – Connector Options..................................................................................6
1.5. Presentation Recorder – Phoenix Balanced Audio Connectors Wiring............................................7
1.6. Presentation Recorder – Control 1 Connector Wiring......................................................................7
1.7. Presentation Recorder – Control 2 Connector Wiring......................................................................8
1.8. Presentation Recorder – Installation................................................................................................
2. Quick Start............................................................................................................................................ 10
2.1. Startup............................................................................................................................................ 10
2.2. Dual Streaming and Recording......................................................................................................11
2.3. Presentation Recorder Modes of Operation...................................................................................13
3. Quick Start Configuration and Setup....................................................................................................15
3.1. Quick Start Page Organization....................................................................................................... 15
3.2. Channel Selection.......................................................................................................................... 16
3.3. Source Selection............................................................................................................................ 17
3.4. Streaming Start/Stop...................................................................................................................... 1
3.5. Recording....................................................................................................................................... 1
3.6. Status Bar...................................................................................................................................... 20
3.7. Control Icons.................................................................................................................................. 20
4. The Channel Table............................................................................................................................... 22
4.1. Channel Settings............................................................................................................................ 22
4.2. Edit Channel – General.................................................................................................................. 23
4.3. Edit Channel – Frame Size............................................................................................................ 25
4.4. Edit Channel – Layout.................................................................................................................... 26
4.5. Edit Channel – Profile.................................................................................................................... 2
4.6. Edit Channel – Customized Profile Settings...................................................................................30
4.7. Edit Channel – Network.................................................................................................................. 32
4.8. Edit Channel – RTMP Streaming................................................................................................... 34
4. . Edit Channel – Recording.............................................................................................................. 35
4.10. Edit Channel – Upload................................................................................................................. 38
4.11. Edit Channel – Notifications.........................................................................................................44
5. Archives................................................................................................................................................ 46
5.1. Archive Settings............................................................................................................................. 46
6. Configuration........................................................................................................................................ 50
6.1. Personal......................................................................................................................................... 50
6.2. Time............................................................................................................................................... 51
6.3. Network.......................................................................................................................................... 52
6.4. Web................................................................................................................................................ 56
6.5. Display........................................................................................................................................... 57
6.6. Telnet Settings............................................................................................................................... 58
6.7. Scheduler....................................................................................................................................... 5
6.8. Presentation Server....................................................................................................................... 64
6. . Notifications.................................................................................................................................... 65
6.10. Custom......................................................................................................................................... 67
7. Status................................................................................................................................................... 70
7.1. System........................................................................................................................................... 70
7.2. Network.......................................................................................................................................... 70
7.3. Event Logs..................................................................................................................................... 71
7.4. Serial logs...................................................................................................................................... 71
8. Sources................................................................................................................................................ 73
8.1. Video.............................................................................................................................................. 73
8.2. Dual Input....................................................................................................................................... 74
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8.3. Audio.............................................................................................................................................. 74
8.4. Advanced....................................................................................................................................... 75
8.5. Overlays......................................................................................................................................... 76
8.6. Previews(1/2)................................................................................................................................. 77
. Viewer Interface and Media Players..................................................................................................... 78
.1. View Stream................................................................................................................................... 78
.2. VLC Media Player.......................................................................................................................... 7
.3. Media Players................................................................................................................................ 80
.4. Closed-Caption Support................................................................................................................. 80
10. Custom Layouts.................................................................................................................................. 83
10.1. Frame Layouts and Presets......................................................................................................... 83
11. Presentation Recorder Interfaces.......................................................................................................8
11.1. Serial Interface............................................................................................................................. 8
11.2. Telnet Interface............................................................................................................................ 8
11.3. REST Interface – Archive Download............................................................................................ 0
11.4. REST Interface – Image and Thumbnail Capture........................................................................ 0
11.5. REST Interface – Graphics Overlay Upload................................................................................. 0
11.6. REST Interface – Reference Manual........................................................................................... 0
12. Theory of Operation............................................................................................................................ 1
12.1. Presentation Recorder Component Block Diagram ..................................................................... 1
12.2. Capture Module Function............................................................................................................. 1
12.3. Compression................................................................................................................................ 2
12.4. Transmission................................................................................................................................ 2
12.5. Decompression............................................................................................................................ 2
12.6. Display Function........................................................................................................................... 2
12.7. Audio Subsystem......................................................................................................................... 2
12.8. Archive Disk................................................................................................................................. 2
13. Techniques for Presentation Capture.............................................................................................. 3
13.1. Webcasting, Podcasting and Archiving........................................................................................ 3
13.2. Capturing Graphics, Video and Audio.......................................................................................... 3
13.3. Conference Day Problems and Issues......................................................................................... 5
13.4. Video Post-Production.................................................................................................................. 6
14. Terms and Definitions....................................................................................................................... 100
14.1. Audio and Video Terms and Definitions.....................................................................................100
15. References....................................................................................................................................... 102
15.1. MPEG Compression.................................................................................................................. 102
15.2. Packet Transmission.................................................................................................................. 102
15.3. Multicast..................................................................................................................................... 102
16. Revision History................................................................................................................................ 103
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NCast Presentation Recorder Reference Manual
Regulatory Compliance Information
Equipment Label
The Presentation Recorder meets all applicable FCC, CE and ICAN radiation and emission
standards:
44366 S. Grimmer Blvd. Fremont, CA 94538
(510) 490-4307 (510) 490-3441 Fax
Report 4 03-
Electromagnetic Compatibility Test Report
47 CFR Part 2 Subpart J Paragraph 2. 06
Report 4 03-2
Electromagnetic Compatibility Test Report
ECD 2004/108/EC, LVD 2006/ 5/EC
(1) Connections between peripherals of this equipment may be made with low voltage non-
shielded computer data cables.
(2) Network connections may consist of non-shielded CAT 5 cable.
Warnings
(1) A non-shielded power cord may be used to connect AC power to every component and
peripheral of the system.
FCC NOTICE
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired operation.
FCC NOTICE – INFORMATION FOR THE USER
This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is
no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct the interference by one or
more of the following measures:
(1)Reorient or relocate the receiving antenna.
(2)Increase the separation between the equipment and receiver.
(3)Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
(4)Consult the dealer or an experienced radio/TV technician for help.
The user may find the following publication prepared by the Federal Communications
Commission helpful:
“How to Identify and Resolve Radio-TV Interference Problems”
Stock Number 004-000-00345-4, available exclusively from the Superintendent of Documents,
Government Printing Office, Washington, DC 20402 (telephone +1-202-512-1800).
FCC WARNING
Changes or modification not expressly approved by the party responsible for compliance to
Part 15 of the FCC Rules could void the user’s authority to operate the equipment.
CE NOTICE – INFORMATION FOR THE USER
This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to EN 55022 Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
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NCast Presentation Recorder Reference Manual
environment. This equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is likely
to cause harmful interference in which case the user will be required to correct the interference
at the expense of the user.
The user may find the following publication prepared by the Federal Communication
Commission helpful:
“How to Identify and Resolve Radio-TV Interference Problems”
Stock Number 004-000-00345-4, available exclusively from the Superintendent of Documents,
Government Printing Office, Washington, DC 20402 (telephone +1-202-512-1800).
WARNING
Changes or modifications not expressly approved by the party responsible for compliance to
EN 55022 Rules could void the user’s authority to operate the equipment.
ICAN Class A Digital Equipment
This Class A digital apparatus meets all requirements of the Canadian Interference-Causing
Equipment Regulations.
Cet appareil numérique de la classe A respecte toutes les exigencies due Réglement sur le
matériel brouilleur du Canada.
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NCast Presentation Recorder Reference Manual
. Introduction
1.1. PURPOSE
The NCast Presentation Recorder Reference Manual is intended for the Audio/Video or Network
engineer who will be tasked with the job of installing and setting up a Presentation Recorder or a system
of multiple Presentation Recorders. This guide is designed to cover topics in depth and to assist in
optimizing the performance of a Presentation Recorder.
1.2. DOCUMENT OVERVIEW
This document is divided into two major sections: the theory of operation and a discussion of parameter
settings.
1.3. PRESENTATION RECORDERS – HYDRA
The Presentation Recorder is a stand-alone network communications appliance which captures RGB
(VGA), Composite, Component, DVI, HDMI, Displayport and optionally 3G-SDI signals from a desktop or
laptop, compresses the image with an industry standard compression algorithm, records the capture to a
file, packetizes and transmits the imagery as an internet media stream, receives a media stream from the
internet, decompresses the imagery, and presents the received information to a viewing audience
through use of a large-screen monitor or via a room projector. Presentation Recorders are able to
archive the media stream in real-time while simultaneously webcasting, allowing for playback by the
recipient at a later date.
The PR-Hydra-R brings unique capabilities to the Presentation Recorder lineup in being able to
simultaneously record and stream two hi-def images for capture or live viewing.
PR-Hydra-R – A rack-mounted unit with streaming and archiving
capabilities. The PR-Hydra-R allows for up to WUXGA (1920x1200 input
resolutions with up to 1080p (1920x1080 capture resolutions and PIP (Picture
In Picture video and graphics overlay. Dual streaming and recording is
standard.
1.4. PRESENTATION RECORDERS – CONNECTOR OPTIONS
The following photo shows the back-panel connectors available:
Backpanel for PR-Hydra-R
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•VGA In – RGBHV Input from the presenter's PC
•HDMI- – Video input from cameras or computers + Audio
•HDMI-2 – Video input from cameras or computers + Audio
•DVI-D – Digital input
•DVI-A – Analog Y-Pb-Pr component from a camera source
•Displayport – Input from the Displayport output of a computer
•Composite – NTSC or PAL input
•SDI – 3G-SDI Serial Digital Input + Audio
•HDMI Monitor Out – Confidence monitor for the local display – Dual Primary Output
•VGA Monitor Out – Confidence monitor to the local display – Dual Secondary Output
•Audio – Balanced input connectors, Left Line-In and Right Line-In
•Audio Line-In, Line-Out, Mic-In - Unbalanced 3.5 mm. connections. Stereo for Line-In, Line-
Out
•Audio – USB microphones
•Serial Control – Wired control from a touch panel, such as Crestron or AMX
•Ethernet – Connection to the Internet
•Control – Trigger 1 Contact Closure, Trigger 2 Contact Closure
•Control 2 – Second Serial Port, Hardware Reset, Power On/Off
•USB – For specifying a static IP connection
•USB – For saving an archive file
•USB – For secure firmware update on closed networks
Note: Conversion of HDMI or DVI signals to Displayport requires an active (not passive) adapter.
Note: HDMI-1 and DVI may not be used together in PIP mode
Note: HDMI-2 and SDI may not be used together in PIP mode
Note: Dual capture input is limited to HDMI-2 or SDI
1.5. PRESENTATION RECORDER – PHOENIX BALANCED AUDIO CONNECTORS WIRING
The rack mount model comes with Phoenix balanced audio connectors.
Pin Signal Description
1 Ground (Shield) Cable ground or shield
2 Hot (Tip) + Audio Hot
3 Cold (Ring) - Audio Cold
1.6. PRESENTATION RECORDER – CONTROL 1 CONNECTOR WIRING
The unit has a connector for two external contact closure triggers (currently reserved for future use).
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Pin Signal Description
1 Trigger 1 Active low, drive with relay
2 GND Ground
3 Trigger 2 Active low, drive with relay
4 GND Ground
1.7. PRESENTATION RECORDER – CONTROL 2 CONNECTOR WIRING
There is a second serial port (reserved for future use) and two connections which may be used by an
external controller or relay to power the unit on/off or reboot the system.
Pin Signal Description
1 Tx Data Serial Out, Transmit Data
2 Rx Data Serial In, Received Data
3 GND Ground
4 Reset Active low, drive with relay
5 GND Ground for Reset line
6 Power
On/Off
Active low, drive with relay
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NCast Presentation Recorder Reference Manual
1.8. PRESENTATION RECORDER – INSTALLATION
The diagram below shows a typical room installation (single or dual stream):
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NCast Presentation Recorder Reference Manual
2. Quick Start
2.1. STARTUP
2.1.1. A Really Short Start
Here’s a very short description on how to get started:
1. Plug the unit into a network with DHCP, plug in a display to the HDMI Out, plug your laptop into
the VGA In, a camera (if you have one) into HDMI-1 In and turn on the power.
2. When you see the bootup screen with the IP network address, log into the unit at
http //ipaddress using “admin” as the user and “ncast” as the password.
3. On the Quick Start page select your Channel Layout, your Video Sources, your Audio
Sources and then press Start.
4. Press Stop, go to the Archives page, download your recording and you’re done!
2.1.2. Mini Start
This is a short introduction on how to get started with a Presentation Recorder:
1. Plug the unit into a network, plug in a display to the HDMI Out, plug your laptop into the VGA In,
a camera (if you have one) into the HDMI-1 connector and turn on the power. If you aren’t using
DHCP and need to enter static IP addresses, edit a “ntwkconf.txt” file onto a USB stick and plug
it into a USB port. See the Configuration → Network tab (6.3.16.) for details on this file.
2. When you see the bootup screen with the IP network address, log into the unit at
http //ipaddress using “admin” as the user and “ncast” as the password.
3. On the Quick Start page select the Channel Layout you desire. The icons represent the
composition of the frame which will be recorded and allow for many different combinations of
video inputs, graphics inputs and graphical overlays.
4. The dialog box allows you to choose one of the unit's standard video profiles and permits you to
upload a custom graphical overlay to replace the factory default.
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