Ncast Telepresenter M4 Instrukcja Użytkownika

NCast Telepresenter Reference ManualNCast Product SpecificationTelepresenter M4 Reference ManualRevision 2.2March 1st, 2010M4 Software Releas

NCast Telepresenter Reference ManualN-Way functionality and services are described in the N-Way Reference Manual. Contact NCast Corporation f

NCast Telepresenter Reference Manualthe A/V equipment in the room the day before the recording, if possible, or to consult with the A/V staff

NCast Telepresenter Reference Manual• Lavalier Microphone – The best audio capture is through use of wireless lavalier (lapel) microphone on

NCast Telepresenter Reference Manualtalk or tell a story while this speaker transition is occurring. It is hard to capture clean recordings w

NCast Telepresenter Reference ManualTo use Streamclip to trim a file, follow these steps:Open the .mp4 file to be trimmedDrag the slider to t

NCast Telepresenter Reference ManualDrag the slider to the end of the new clip and select an “Out” point where the new clip endsSave the file

NCast Telepresenter Reference Manual11. References11.1.MPEG COMPRESSIONISO 14496-12 - ISO base media file formatISO 14496-14 - MP4 file forma

NCast Telepresenter Reference Manual12. Revision History• Revision 2.2 – Revision for changes in Release 5.2. A new Event Notification System

NCast Telepresenter Reference Manual“Auto-start” option is now available for a Channel. The Archive detail files now support Unicode and are

NCast Telepresenter Reference Manual8. Go to the View page. This page allows you to connect different media desktop players using either mult

NCast Telepresenter Reference Manual2. Theory of Operation2.1. TELEPRESENTER COMPONENT BLOCK DIAGRAM The Telepresenter consists of these main

NCast Telepresenter Reference Manual2.2. DIGITIZER CAPTURE FUNCTIONThe digitizer capture card selects one of the available four inputs (VGA,

NCast Telepresenter Reference Manual2.8. ARCHIVE DISKA local hard-drive in the Telepresenter is available for recording transmitted sessions.

NCast Telepresenter Reference Manual3. Configuration Settings and Parameters Reference3.1. UNIT OPTIONS SETTINGSThe Unit Options page gives t

NCast Telepresenter Reference ManualThe Contact e-mail should be the address of the owner/administrator of the unit or an address where quest

NCast Telepresenter Reference Manual• Reboot – Shuts down and then restarts the unit. This operation may be needed to clear problems after a

NCast Telepresenter Reference ManualThe HTTP API password allows access to archived files. This password permits HTTP access to the archive l

NCast Telepresenter Reference ManualThis will automatically direct the request to port 443, the standard for HTTPS access.3.3.2. Certificates

NCast Telepresenter Reference ManualTable of Contents1. Introduction

NCast Telepresenter Reference Manualcases the required output resolution size must be set with the pull-down tab. All incoming media streams

NCast Telepresenter Reference ManualThis parameter allows the operator to decrease the local loopback refresh loading. The local screen will

NCast Telepresenter Reference Manual3.5.1. Custom Frame SizesThe Channel Table permits the selection of many common, industry standard frame

NCast Telepresenter Reference Manual3.5.2. Custom Aspect RatiosThe aspect ratio defines the visual geometry of the Frame (capture surface). I

NCast Telepresenter Reference ManualThe values for X,Y,W,H may be entered as integers or percents. If integers are used then these are pixel

NCast Telepresenter Reference ManualOverlay graphics can be uploaded dynamically, allowing scheduling tools and scripts to automatically chan

NCast Telepresenter Reference ManualText overlays can implement dynamically displayed text such a news tapes, stock tickers, closed captions,

NCast Telepresenter Reference ManualThe static IP address to be used by the unit in numeric form (www.xxx.yyy.zzz). Not required if DHCP is e

NCast Telepresenter Reference Manualdhcp=(bool)0dns_1=(string)204.89.223.4dns_2=(string)204.89.223.44ethernet=(string)autogateway=(string)204

NCast Telepresenter Reference Manual3.7.3. IP restrictionThis limits the valid IP addresses, which may send commands to the Telepresenter. No

NCast Telepresenter Reference Manual4.6. Channel Settings – Text Overlays

NCast Telepresenter Reference Manual3.9. SCHEDULER3.9.1. OverviewThe Telepresenter Scheduler is a feature that allows the manager of one or m

NCast Telepresenter Reference ManualGoogle Calendar is a web-based interface used to enter calendar events such as meetings and appointments.

NCast Telepresenter Reference Manual3.9.5. Creating Scheduled EventsTo create an event click on a time-slot and fill in the following fields:

NCast Telepresenter Reference ManualRT Set title information to "Weekly Performance Review"Commands are case-sensitive and must be

NCast Telepresenter Reference ManualThe NCast Scheduler can read standard iCalendar (.ics) files containing scheduled events, and can control

NCast Telepresenter Reference Manual3.9.12.ConfigurationThese parameters control scheduler process:• Google calendar – Enables or disables sc

NCast Telepresenter Reference ManualWhen all fields are filled, click on the “Update” button.3.9.15.Viewing Scheduler ActivityThe Logs page (

NCast Telepresenter Reference ManualThis dropdown menu selection enables or disables the system-wide e-mail notification service. It does not

NCast Telepresenter Reference ManualThere are two methods by which to choose a notification to be reported:• Select by event type – Any event

NCast Telepresenter Reference Manual3.11.1. View Event LogsMany events during the operation of the Telepresenter are recorded in the Event Lo

NCast Telepresenter Reference ManualRegulatory Compliance InformationEquipment LabelThe Telepresenter meets all applicable FCC, CE and ICAN r

NCast Telepresenter Reference Manual3.11.3. Download LogsLog reporting is an important tool which NCast uses to diagnose any problems, whethe

NCast Telepresenter Reference ManualOnce the “Update” button is pressed the Telepresenter downloads a list of required files and their timest

NCast Telepresenter Reference Manual4. The Channel Table4.1. CHANNEL SETTINGSA channel is a collection of parameter settings that defines the

NCast Telepresenter Reference Manual• Recording – Recording options and archive naming• Layout – Frame size and placement of the Main and PIP

NCast Telepresenter Reference ManualChannel 4 – Telepresenter A participates in a collaborative session on multicast address 239.192.2.0Chann

NCast Telepresenter Reference ManualThe passing of “floor control” triggers two important events for the participants in the conference. Firs

NCast Telepresenter Reference ManualThe default settings for a Telepresenter use Administratively-Scoped multicast addresses. This implies th

NCast Telepresenter Reference ManualFor the lowest bit rate, 128 kbps, a resolution of 640x480 and a frame-rate of 5 frames/second for graphi

NCast Telepresenter Reference ManualSample Rate Channels Bit Rate Quality11 kHz. Mono 16 kbps. Phone22 kHz. Mono 32 kbps. FM radio44 kHz. Mon

NCast Telepresenter Reference Manualalways on the server (SDP files describe the media being streamed and other details such as port assignme

NCast Telepresenter Reference Manual“How to Identify and Resolve Radio-TV Interference Problems”Stock Number 004-000-00345-4, available exclu

NCast Telepresenter Reference ManualThe port number assigned to the conference control protocol.See the discussion above (Graphics ports) for

NCast Telepresenter Reference Manualquality. Increasing max quantizer too much may cause the encoder to skip frames in order to maintain the

NCast Telepresenter Reference ManualThree options are available for control of recording:Manual – Recording must be started and stopped by th

NCast Telepresenter Reference ManualEnter information about the Title of the session being recorded (e.g. class or course number, conference

NCast Telepresenter Reference ManualSometimes a media file is placed on a web server and is played without the assistance of a streaming serv

NCast Telepresenter Reference Manualan overlay graphic. A “Main” and “PIP” side-by-side composition would also dictate that the Main image on

NCast Telepresenter Reference ManualIn a typical conference it is quite common to have different input resolutions during the course of one s

NCast Telepresenter Reference ManualThis menu selection item allows specification of five standard aspect ratios and ten custom aspect ratios

NCast Telepresenter Reference Manual4.4.4. PIP Video/Graphics WindowThis pull-down menu specifies the positioning of the secondary (PIP) imag

NCast Telepresenter Reference Manual4.5. CHANNEL SETTINGS – IMAGE OVERLAYSCustomized images may be added to the media stream being created. T

NCast Telepresenter Reference Manual1. Introduction1.1. PURPOSEThe NCast Telepresenter Reference Manual is intended for the Audio/Video or Ne

NCast Telepresenter Reference ManualRS-232 or Serial Telnet IP commands. See the Telepresenter Serial Reference Manual for details on these c

NCast Telepresenter Reference ManualSpecifies a minimum distance (in pixels) between the frame of a window and the text. This option keeps th

NCast Telepresenter Reference ManualFormat StringFunction%a Abbreviated weekday name (for example Sun)%A Full weekday name (for example Sunda

NCast Telepresenter Reference ManualThe system marks an archive for automatic upload right after it was created if auto upload is enabled. If

NCast Telepresenter Reference Manual• (S)FTP username - FTP server username• (S)FTP password - FTP server password• FTP anonymous login - log

NCast Telepresenter Reference Manualto inform a presenter or lecturer that the recordings and transcodes have completed and are available on

NCast Telepresenter Reference Manual5. Archive Page5.1. ARCHIVE SETTINGSThe Telepresenter units with archive disks allow complete recording o

NCast Telepresenter Reference ManualNote that during recording two separate files (one video, one audio) are being created and at the end of

NCast Telepresenter Reference Manual</archive>The use of XML format allows the content to be encoded in the Unicode (UTF-8) character s

NCast Telepresenter Reference Manual5.1.11. Editing Archive FilesThere are several tools which have been used to edit and manipulate MPEG-4

NCast Telepresenter Reference ManualPIP – A picture-in-picture function overlays one video or graphics image with a reduced-sized version of

NCast Telepresenter Reference Manual6. Sources Page6.1. SOURCES SETTINGSThe Sources Page controls what graphics/video or audio inputs will be

NCast Telepresenter Reference ManualIf Autodetect is selected the hardware will search for an active signal from one of the input connectors.

NCast Telepresenter Reference ManualWhen the Audio Meter pushbutton is on, two pairs of audio meters appear on the local loopback display con

NCast Telepresenter Reference ManualAudio Gain ChartsMic Gain Amplification0 Mute10 -18.020 -16.530 -13.540 -12.050 -9.060 -7.570 -4.580 -3.0

NCast Telepresenter Reference ManualFor each Control there are four adjustments for the four different inputs: XGA, DVI, Composite and S-Vide

NCast Telepresenter Reference Manual7. Information Pages Reference7.1. SESSION PAGEThe Session Page summarizes the current operational state

NCast Telepresenter Reference Manual7.2. VIEWERS PAGEThe Viewers Page lists units that are currently on-line and active in this Session. This

NCast Telepresenter Reference ManualIn Collaboration Mode the Coordinator is able to select which participant has floor control by highlighti

NCast Telepresenter Reference ManualAccess controls on the “Passwords” page may be used to restrict viewing to selected users or groups.For s

NCast Telepresenter Reference Manual5. The browser passes the file information to the application by giving the application the filename or t

NCast Telepresenter Reference ManualOne-to-Many Streaming – In this mode of operation one of the Telepresenters is designated as the “Sender”

NCast Telepresenter Reference ManualFor PCs with properly configured software the playback process will be quick and easy.However, if a custo

NCast Telepresenter Reference Manual• Available for download via our http interface• Uploaded automatically via the FTP upload serviceUpon re

NCast Telepresenter Reference Manual</smil>The .txt file used to play back the captions is shown here:{QTtext}{timescale:100}{font:Aria

NCast Telepresenter Reference Manual8. Custom Layouts8.1. FRAME LAYOUTS AND PRESETSThe main Frame of a Telepresenter composition consists of

NCast Telepresenter Reference Manual5. In the “Window 2” fields enter 640, 0, 240, 180 to define Window 2 as the window which will associated

NCast Telepresenter Reference Manual8.1.3. Overlay Layout PlacementConference rooms or presentation auditoriums typically have the speaker’s

NCast Telepresenter Reference ManualThe point being made here is that in planning for a conference or seminar recording, rooms may have a pod

NCast Telepresenter Reference ManualHASTAC Conference, courtesy of Duke UniversityTeraGrid Conference, courtesy of UCSD Virtual Teams Confere

NCast Telepresenter Reference Manual9. Telepresenter Interfaces9.1. SERIAL INTERFACECommands to control the Telepresenter over an RS-232 styl

NCast Telepresenter Reference Manual#!/bin/bash## Stops a Telepresenter session using the telnet interfaceif [ $# -ne 2 ]; then echo &

NCast Telepresenter Reference ManualIn addition to these three modes of operation there is the following additional functionality:Webcasting

NCast Telepresenter Reference Manualif ($passwd == "") then echo "m4files: M4 password required" echo "Usage: m4file

NCast Telepresenter Reference Manual endif echo "m4files: returned result is: `cat $mp4:r.msg`" rm -f $mp4:r.msg endifendrm -f m

NCast Telepresenter Reference Manual my.other.boxes.comTo run this program under Windows you may use a command line, such as:C:> "

NCast Telepresenter Reference Manual files.append(file) filelist.close() if debug:print "ncfiles: Download lis

NCast Telepresenter Reference Manualfilein.close()fileout.close()# Remove file if requestedif remove:url = "http://" + host + "

NCast Telepresenter Reference Manualhostlist.extend(args)if inputfile : try: f = open(inputfile, 'r') for line in

NCast Telepresenter Reference Manualquality - jpeg quality 0 to 100compression_level - png compression level 0 to 9With no parameters the def

NCast Telepresenter Reference Manual password = 'ncast' images = {} try: getopt_func = getopt.gnu_getopt except AttributeErr

NCast Telepresenter Reference Manual content_type, data = encode_multipart_formdata(fields) # upload print 'ncgo: uploading image(s)&

NCast Telepresenter Reference Manual10. Techniques for Presentation Capture10.1.WEBCASTING, PODCASTING AND ARCHIVINGThe new world of webca