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epiphan Lecture Recorder x2 User Manual

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Lecture Recorder x2™

User Guide

Epiphan Technical
Documentation
©2013
Epiphan Systems Inc.
All Rights Reserved
June 2013

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Summary of Contents for epiphan Lecture Recorder x2

  • Page 1: User Guide

    Lecture Recorder x2™ User Guide Epiphan Technical Documentation ©2013 Epiphan Systems Inc. All Rights Reserved June 2013...

  • Page 2: Specifications

    Technical Support Epiphan is staffed by a professional support team. If, after checking the FAQs for your product on the Epiphan website and re-installing the Epiphan driver software (where applicable), you continue to have outstanding issues, email a problem report to support@epiphan.com.
  • Page 3 Terms and Conditions This document, the Epiphan web site, and the information contained therein, including but not limited to the text and images as well as Epiphan Systems Inc's trademarks, trade names and logos are the property of Epiphan and its...
  • Page 4 RESULT FROM THE USE OF, OR THE INABILITY TO USE, THIS PRODUCT OR THE INFORMATION CONTAINED ON THIS DOCUMENT OR PROVIDED ON EPIPHAN’S WEB SITE, EVEN IF EPIPHAN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT SHALL EPIPHAN'S TOTAL LIABILITY TO YOU FOR ALL...

  • Page 5: Table Of Contents

    3.2.8 Power over Ethernet (PoE) Injector ............. 15 Getting Started ..................15 Supplying Power to the Lecture Recorder x2 ........15 Confirm Input Signals are Received ............16 4.2.1 Checking the Signal from a DVI/VGA or HDMI Input source ....16 4.2.2...
  • Page 6 Using a Content Distribution Network ..........43 9.2.1 Using Epiphan.tv Portal for Streaming ..........45 9.2.2 Using Epiphan’s Partners as CDN Providers for Streaming ....48 9.2.3 Setting up Multicast from Publish Stream ........... 49 UPnP ..................... 53 Viewing Streaming Video ..............56 9.4.1...
  • Page 7 Epiphan’s EpiphanTouch App for iPad, iPhone, iTouch ....85 11.3 Setting IP Address ................. 86 11.3.1 Set the Lecture Recorder x2 to use a static IP address ....87 11.3.2 Set the Lecture Recorder x2 to use a DHCP server ......88 11.3.3 Performing Network Diagnostics .............
  • Page 8 Recorder Keys ..................119 19.11 Examples .................... 119 20 Sample Configurations ................120 21 Troubleshooting ..................124 22 Table of Figures ..................126 23 Software and Documentation License ............. 128 24 Configuration Worksheet ................ 136 Lecture Recorder x2 User Guide...

  • Page 9: Overview

     an analog audio source. This flexibility of input sources gives the Lecture Recorder x2 the capability of synchronizing a high quality audio stream with a corresponding video stream. Streams can be encoded with Motion JPEG, MPEG4 or H.264 video compression.

  • Page 10: Physical Attributes

    Physical Attributes When configured for dual streaming, the Lecture Recorder x2 is being used for the simultaneous broadcasting from both a DVI/VGA/HDMI input source and either a composite or S-Video analog input source if this is not the case of publishing stream or multicast RTP stream.

  • Page 11: Figure 1 Front View Of The Lecture Recorder X2

    Physical Attributes Figure 1 Front View of the Lecture Recorder x2 Below is a table summarizing the connectors and indicators found on the front panel of the Lecture Recorder x2. Table 1 Summary of the Front Panel's connectors and Indicators...
  • Page 12 Lecture Recorder x2 package. DVI In Connects a DVI source to the Lecture Recorder x2 using the included DVI cable. To connect a VGA source, use the included VGA to DVI adapter. To connect an HDMI source (non-copy protected content) use the included HDMI to DVI adapter.

  • Page 13: Figure 2 The Lecture Recorder X2'S Rear Panel

    Physical Attributes Figure 2 The Lecture Recorder x2's Rear Panel Below is a chart detailing the connectors found on the rear panel. Table 2 Summary of Connectors on the Rear Panel Number Connector Description Audio Out Connects audio equipment, such as headphones or speakers, to confirm whether the audio stream is currently being captured by the Lecture Recorder x2.

  • Page 14: Cables, Connectors And Adapters

    3.2 Cables, Connectors and Adapters The Lecture Recorder x2 can be connected to a number of different types of equipment using a variety of cables, and adapters. This section describes a subset of connectors, cables and adapters that are known to be compatible with the Lecture Recorder x2.

  • Page 15: Vga To Dvi Cable

    Physical Attributes VGA to DVI Cable 3.2.2 Connects a VGA source to either of the Lecture Recorder x2’s DVI ports. This cable is included with the Lecture Recorder x2. Figure 4 VGA to DVI cable DVI to DVI Cable 3.2.3 Connects a DVI source to either of the Lecture Recorder x2’s DVI ports.

  • Page 16: Figure 5 Dvi To Dvi Cable

    Physical Attributes Figure 5 DVI to DVI cable Lecture Recorder x2 User Guide...

  • Page 17: S-Video Cable

    Connects an S-Video output source to the Lecture Recorder x2’s S-Video port. Figure 6 S-Video cable Composite to S-Video Cable 3.2.5 Connects a composite output analog video source to the Lecture Recorder x2’s S- Video port. This cable is included with the Lecture Recorder x2. Lecture Recorder x2 User Guide...

  • Page 18: Hdmi To Dvi Adapter

    Figure 7 Composite to S-Video cable HDMI to DVI Adapter 3.2.6 Connects an HDMI source to either of the Lecture Recorder x2’s DVI ports. This adapter is included with the Lecture Recorder x2. Figure 8 HDMI to DVI adapter RJ-45 Male 3.2.7...

  • Page 19: Power Over Ethernet (Poe) Injector

    4 Getting Started 4.1 Supplying Power to the Lecture Recorder x2 To provide power to the Lecture Recorder x2, plug the provided PoE adapter into a 10/100Base-T Ethernet network using an Ethernet cable. This network must be running the TCP/IP protocol.

  • Page 20: Confirm Input Signals Are Received

    Checking the Signal from a DVI/VGA or HDMI Input source 4.2.1 The Lecture Recorder x2 has a DVI output port that is used to confirm that the signal from any of the above sources is being captured. In order to perform this verification ensure that there is an input source streaming to the Lecture Recorder x2 using its DVI input port.

  • Page 21: Checking The Analog Audio Signal

    As with any input source plugged into the Lecture Recorder x2’s DVI input port, any audio input being sent to the Lecture Recorder x2 via its Analog Audio input port can be verified. To listen to the audio being captured by the Lecture Recorder x2, plug in a stereo speaker or headsets into the Analog Audio out port.

  • Page 22: Epiphan's Network Discovery Utility

    However you are recommended to address your administrator for the details first. The simplest way to access Web Admin interface of your Lecture Recorder x2 in the local network is to type the following string in the address bar of your web browser: <serial>.local...

  • Page 23: Users Logging

    Lecture Recorder x2. 2. Browse to the Lecture Recorder x2. http://<ip address of the Lecture Recorder x2>/admin The IP address of the Lecture Recorder x2 can be obtained using any of the following methods: The Epiphan Network Utility b. The EpiphanTouch app From the network administrator d.

  • Page 24: The Operator User

    Getting Started System monitoring. This would involve retrieving any system statuses and retrieving the solid state memory status. Upgrading the System Firmware from Epiphan Support. New firmware is released to fix known problems or to add new features. Perform network diagnostics.

  • Page 25: Figure 10 Web Admin Interface's Main Menu

    Getting Started Figure 10 Web Admin Interface's Main Menu Lecture Recorder x2 User Guide...
  • Page 26 Make frame grabber image adjustments. Audio Change and adjust the audio input and headphone output. Automatic File Set up automatic files uploading from the Lecture Recorder x2 Upload device to a network storage device. FTP Server Configure FTP access settings to connect to the Lecture Recorder x2 internal solid state memory using an FTP client and the administrator, operator or viewer account.

  • Page 27: Signal Flow Diagrams

    A series of diagrams below depicts how signal capture, encoding, streaming and recording is performed. Figure 11 Data Capture Flow in case of Single Stream Mode Figure 12 Data Capture Flow in case of Independent Stream Mode Lecture Recorder x2 User Guide...

  • Page 28: Video Formats And Standards

    Info page of the Web admin interface. The Lecture Recorder x2 can stream video using Flash (H.264), ASF (MPEG4 or H.264 codecs), Motion JPEG, RTSP (MPEG4 or H.264 codecs), or MPEG-TS (H.264). A quick definition of these video streaming methods and the type of application that a viewer would use to watch that particular video stream is now provided.

  • Page 29: Signal Capture

    This input source can be a DVI, VGA or HDMI source. Any one of these sources would be connected to the Lecture Recorder x2 using its DVI input port. Alternatively or additionally, it can be an S-Video or composite video source using the Lecture Recorder x2 S-Video port.

  • Page 30: Connecting Dvi, Vga Or Hdmi Input Sources

    Connecting DVI, VGA or HDMI Input Sources 7.1.1 All DVI, VGA or HDMI input sources are connected to the Lecture Recorder x2 using the DVI input port. How this connection is made and using which cable is dependent on the input source.
  • Page 31 To make an adjustment, add a value to one or more fields and select Apply. To clear any adjustments, delete the value from one or more fields and select Apply. Lecture Recorder x2 User Guide...

  • Page 32: Figure 14 Frame Grabber Adjustments

    Signal Capture Figure 14 Frame Grabber Adjustments Lecture Recorder x2 User Guide...
  • Page 33 Use the offset and gain controls together to optimize image quality. Increasing the offset reduces background noise but also reduces the overall signal. Balance offset and gain values to achieve the best quality image. Adjust these settings by the smallest values possible to Lecture Recorder x2 User Guide...

  • Page 34: Channel Setup

    Sets the aspect ratio of the captured image. The default aspect ratio is 4:3. The aspect ratio can be set to wide mode in order that the Lecture Recorder x2 can accurately capture wide aspect ratio modes. It's not always possible for the Epiphan device driver to...

  • Page 35: Figure 15 Stream Settings

    Select one of the following encoding profiles that target specific classes of applications: 1. Baseline: for applications requiring additional data loss robustness, e.g. videoconferencing 2. Main: for standard-definition broadcasts High: for broadcast and disc storage applications Lecture Recorder x2 User Guide...

  • Page 36: Dvi Channel Setup

    Lecture Recorder x2 can capture analog and digital signals. When you log in to the control interface, under the Stream Setup section you can configure both Lecture Recorder x2 channels–...
  • Page 37 Enter a value in terms frames per second. This field is used to set a frame rate that is lower than the maximum frame rate at which the Lecture Recorder x2 can capture images. Reducing the frame rate reduces the number of images being captured by the device.

  • Page 38: Video Channel Setup

    (as Thursday Thursday) time 10:50:45 hour minute second 8.3 Video Channel Setup The following settings can be made for the video channel on the Stream Setup page from the Web admin interface’s main page. Lecture Recorder x2 User Guide...

  • Page 39: Figure 17 Video Channel Settings

    These settings are explained in the Picture In Picture Layouts section. Background color Specify the background colour for the blank part of the screen in the Video outside DVI/VGA mode. Lecture Recorder x2 User Guide...
  • Page 40 This field is used to set a frame rate that is lower than the maximum frame rate at which the Lecture Recorder x2 can capture images. Reducing the frame rate reduces the number of images being captured by the device.

  • Page 41: Picture In Picture Layouts

    Use the Background color drop-down list in the Stream Setup section of the Web admin interface to select the background color. On the figure below red arrows indicate the screen’s part for which you can specify the color. Lecture Recorder x2 User Guide...

  • Page 42: Common Settings

    FPS value may be lower. HTTP streaming port The number of the port being used to stream the HTTP broadcast. This value would be used along with the URL to access the broadcast. In the case when independent Lecture Recorder x2 User Guide...

  • Page 43: Select Audio Format

    Motion JPEG codec is selected. Page refresh time Specify how often the browser updates the visual information coming from the Lecture Recorder x2. In other words, how often the page is refreshed 8.6 Select Audio Format The Audio settings pane in the control interface can be accessed by clicking the Stream Setup option from the menu.

  • Page 44: Figure 20 Audio Settings

    AAC generally achieves better sound quality than MP3 at similar bit rates. Audio channels Select either mono (1 channel) or stereo (2 channels) sound. Audio bitrate Select the audio bitrate value for the broadcast. Figure 20 Audio Settings Lecture Recorder x2 User Guide...

  • Page 45: Streaming

    Keep in mind that browser viewer capabilities and compatibilities are subject to change. With the Lecture Recorder x2, video codec for streaming is selected by an administrator. After this action the system creates a list of available streaming formats for this codec.

  • Page 46: Http Or Rtsp Streaming

    For HTTP or RTSP streaming the only information required to view the broadcast is the URL of the broadcast. The Lecture Recorder x2 is ready to go straight out of the box, without any additional settings. If your broadcast needs to be accessed by many clients, use a Content Distribution Network as explained in the Using a Content Distribution Network section.

  • Page 47: Using A Content Distribution Network

    CDN providers preferred by Epiphan. By connecting to a CDN server, the broadcast from the System can be streamed to multiple viewers. By using a CDN, the maximum number of concurrent clients is increased, while at the same time reducing the load on the uplink internet connection.

  • Page 48: Figure 22 Using A Cdn Service Increases Scalability Of Concurrent Viewers

    Disabled. If this option is enabled, you cannot send multicast RTP stream, perform CDN broadcasting or stream video to Epiphan’s portal. to xxxxx.epiphan.tv. This option allows for streaming video to the Epiphan’s portal. using RTSP announce. This option allows for connecting to CDN server.

  • Page 49: Using Epiphan.tv Portal For Streaming

    To set up and perform streaming via Epiphan.tv portal: 1. Click the Publish Stream option in the main menu of the control interface. 2. Select to xxxxx.epiphan.tv from the Publish drop-down list where xxxxx is the unique serial number of the Lecture Recorder x2.

  • Page 50: Figure 24 System Message In Case Of Excessive Bitrate Speed

    Now connection through the media tunnel is established. The Lecture Recorder x2 starts streaming to the Epiphan’s portal – epiphan.tv. It is required to set up audio format as MP3 when streaming through the epiphan.tv. This setting is performed in the control interface’s Stream Setup section (see Select Audio Format).

  • Page 51: Figure 27 Plugins Available For Selection On The Portal

    8. If you need to embed the stream into your web page, click Embed to obtain the code. 9. Click Direct URL to obtain the list of URLs for different types of broadcasting. Figure 26 Epiphan’s Portal Figure 27 Plugins Available for Selection on the Portal Lecture Recorder x2 User Guide...

  • Page 52: Using Epiphan's Partners As Cdn Providers For Streaming

    Type http://epiphan.tv in the address bar of your browser. Enter serial number of Lecture Recorder x2. It is displayed in the Info section of the Web admin interface. Click the Go! button. Using Epiphan’s Partners as CDN Providers for Streaming 9.2.2...

  • Page 53: Setting Up Multicast From Publish Stream

    9.2.3 A multicast RTP stream provides a one-to-many broadcasting framework. In a multicast RTP configuration, the Lecture Recorder x2 sends a packet only once to a router that supports multicasting. This router then distributes the packets to all intended viewer nodes using a multicast protocol.
  • Page 54 An SDP file is now generated. It is available in the Info section of the Web Admin interface. You can either save an SDP file on your local machine or provide the link to SDP file to your audience. Lecture Recorder x2 User Guide...

  • Page 55: Figure 31 Rtp/Udp Push Functionality

    Select using MPEG-TS for RTP/UDP Push from the drop-down list. Enter a destination multicast IP address. At this target point the broadcast will be viewed. Specify the number of the destination port where the broadcast will be received. Click Apply. Lecture Recorder x2 User Guide...

  • Page 56: Figure 32 Mpeg-Ts Udp Push Functionality

    Select using MPEG-TS for UDP Push from the drop-down list. Enter a destination multicast IP address. At this target point the broadcast will be viewed. Specify the number of the destination port where the broadcast will be received. Click Apply. Lecture Recorder x2 User Guide...

  • Page 57: Upnp

    UPnP settings are illustrated by the example of the media player Asus O!Play. To establish UPnP connection: 1. Set up the VGADVI Recorder and start streaming/recording. Make sure the viewer password is not set up. Lecture Recorder x2 User Guide...

  • Page 58: Figure 34 Upnp Option In The Media Player's Interface

    7. Select the media server. The media player displays either Live Streams or Recorded Files folder depending on settings (see steps 3 and 4). In case both check boxes were selected, both folders will be visible. Lecture Recorder x2 User Guide...

  • Page 59: Figure 35 Live Streams And Recorded Files Folders

    Figure 35 Live Streams and Recorded Files Folders 8. Select the folder and the required stream or recorded file. All files are sorted by date (Last 24 hours, last month, last week, older). Figure 36 Sorted Files in the Folders Lecture Recorder x2 User Guide...

  • Page 60: Viewing Streaming Video

    Figure 37 Selecting Live Stream 9.4 Viewing Streaming Video The Lecture Recorder x2 may capture audio and video at resolutions up to 1920 x 1200. The resolution of the broadcast may exceed this value, for example, in case of analog video broadcasting.
  • Page 61 Snapshot http://***:*/image.jpg The incoming analog signal’s type, S-Video or composite, is determined automatically and displayed. This URL is displayed only if the Independent streams mode is enabled. See an example below. Lecture Recorder x2 User Guide...

  • Page 62: Using The Web Admin Interface's Live View Feature

    Live View button from the main menu, a preview of the current broadcast’s videos appear in the web browser. Under each of the broadcast screens the system displays the URL of that broadcast. For an example refer to the following figure: Lecture Recorder x2 User Guide...

  • Page 63: Viewing A Broadcast With A Browser

    To log in to view the broadcast using a browser: 1. Start any web browser. 2. Browse to the IP address of the Lecture Recorder x2’s broadcast stream. For example, if the IP address of the Lecture Recorder x2’s broadcast is 172.20.1.33, then browse to: http:// 172.20.1.33...

  • Page 64: Viewing A Broadcast With A Media Player

    2. Use the Menu bar to open the URL dialog box and enter the URL address of the stream. 3. When prompted, enter the following: User name: viewer b. Password: enter the viewer password. Press Enter. 4. The stream begins to play within the viewer’s player. Lecture Recorder x2 User Guide...

  • Page 65: Compatibility Information

    This section provides information on compatibility of video streaming formats and player which is necessary for streaming video. The Lecture Recorder x2 can stream video using Flash (H.264), ASF (MPEG4 or H.264 codecs), Motion JPEG or RTSP (MPEG4 or H.264 codecs). A quick definition of these video streaming methods and the type of application that a viewer would use to watch that particular video stream is now provided.
  • Page 66 The following table displays the compatibility between the video/audio codecs and the file formats during data recording. Video Audio MPEG-TS H.264 No audio codec H.264 LPCM H.264 G.711 H.264 H.264 MPEG-4 No audio codec MPEG-4 LPCM MPEG-4 G.711 MPEG-4 MPEG-4 MJPEG No audio codec Lecture Recorder x2 User Guide...

  • Page 67: Recording

    Recording 10 Recording The Lecture Recorder x2 captures video and audio data which can be encapsulated in a file or files and recorded. The Web admin interface provides the administrator and operator users with the ability to start, stop and configure the recording. Additionally, recorded video files might need to be downloaded or copied to another device for archiving purposes;...

  • Page 68: Selecting Recording File Format

    Select the Enable video channel check box. Select the Independent streams radio button (Picture-in-picture layout field). 10.2 Selecting Recording File Format The format of the record is specified using the Recorded Files button of the Web admin interface. Lecture Recorder x2 User Guide...

  • Page 69: Changing Time And Size Limits

    Click Apply. 10.3 Changing Time and Size Limits The Lecture Recorder x2 can record the channel to one or more files according to time and file size limit parameters. It will automatically create and start recording to a new file whenever either limit is reached.

  • Page 70: Selecting File Prefix

    Specify the prefix in the Filename prefix field. You can use the following characters: A-Z, a-z, 0-9, _, #, -, [], (). Click Apply. The next file you will record after clicking Apply will have the new prefix you specified. Lecture Recorder x2 User Guide...

  • Page 71: Starting And Stopping Recording

    Note that in case both signals are streamed via DVI and video ports, recording will be stopped only if streaming through both ports is interrupted. If either video signal is continued, recording will be continued too. Lecture Recorder x2 User Guide...

  • Page 72: Viewing The Current Recording

    App store. It allows you to log into the device as the administrator user. Refer to Epiphan’s EpiphanTouch App for iPad, iPhone, iTouch section for details. Lecture Recorder x2 User Guide...

  • Page 73: Recorded Files

    Figure 45 Recorded Files Downloading Recordings 10.8.1 Download recordings to either save or view them. Also you can download a single file or multiple files as a single .zip file. Click Recorded Files. Lecture Recorder x2 User Guide...

  • Page 74: Deleting Files

    Deleting Files 10.8.2 The administrator and operator users can delete files from the Lecture Recorder x2 to free up space on the solid state memory. Files can be selected one at a time, or multiple files can be selected to be deleted. Alternatively there is a Delete All button that allows deleting all files that have been previously downloaded.

  • Page 75: Viewing Completed Recording Files

    Recorded Files section. 10.9 File Transfer of Recorded Files The Lecture Recorder x2 provides several options to automatically copy recordings to a network storage location, or a USB flash drive. This is a great feature for professional AV service providers that want to provide a copy of the presentation to the speaker before they leave the presentation venue.

  • Page 76: Copying Recorded Files To A Usb Flash Drive

    Figure 46 A USB Flash Drive Connected to a USB port Receives Recorded Data A flash drive can be connected to the Lecture Recorder x2 any time. Stick a flash drive into a USB port on the device and press lightly. The stick fits into the port only one way.

  • Page 77: Figure 47 Insert A Usb Flash Disk

    Recording Figure 47 Insert a USB Flash Disk The Lecture Recorder x2 copies to the inserted USB flash drive, only files recorded before inserting the flash drive, starting from the oldest record to the newest. The flash drive’s LED (if any) will be blinking indicating data transfer. The Lecture Recorder x2 can copy maximum 100 recorded files to the flash drive.

  • Page 78: Automatic File Upload

    .part. The image below is a screenshot from the user’s PC. There is a folder where the files are being copied from the Lecture Recorder x2. Copying is enabled. One file with the extension .part is now being copied from Lecture Recorder x2.
  • Page 79 You can also configure the Lecture Recorder x2 to upload all video files every 1, 6, 12, or 24 hours. Remote path The path on the upload server to upload the video files to.

  • Page 80: Configuring Automatic File Uploads

    3. If the How often option is set to On file rotation, the Lecture Recorder x2 will upload each video file after it stops recording to it. Alternatively, the Lecture Recorder x2 can be set to upload all video files every 1, 6, 12, or 24 hours.

  • Page 81: Configuring A Cifs Client

    The first copy is made after the time period set in how often expires. For example, if the Lecture Recorder x2 is set to upload files every hour, the first set of files is uploaded after one hour. If five video files are saved in the first hour, those five video files are uploaded.

  • Page 82: Figure 50 Configuring A Cifs Client

    8. Select Apply. The Lecture Recorder x2 will then attempt to connect to the CIFS server. To view messages about whether the Lecture Recorder x2 is able to connect to the CIFS...

  • Page 83: Configuring An Rsync Client

    Configuring an RSync Client 10.10.3 Use the RSync client configuration to have the Lecture Recorder x2 act as an RSync client connecting to an RSync server. Different networks may have different Rsync server configurations. If required, contact your network administrator for assistance with getting the Lecture Recorder x2 to connect to the server.

  • Page 84: Configuring An Ftp Client

    Configuring an FTP Client 10.10.4 Use the FTP client configuration to have the Lecture Recorder x2 act as an FTP client to an FTP server to upload broadcast files. Different networks may have different FTP server configurations. If required, contact your network administrator for assistance with getting the Lecture Recorder x2 to connect to the server.

  • Page 85: Testing The Automatic File Upload

    Archive section. 10.11 FTP Server An FTP server can be configured on the Lecture Recorder x2 to enable a FTP client to connect to the Lecture Recorder x2’s internal solid state memory. An FTP client can be used to manually download video files from the Lecture Recorder x2. FTP access can also be given permission to delete video files remotely from the Lecture Recorder x2.

  • Page 86: Networking

    This method must be used if the network where the Lecture Recorder x2 resides does not have a DHCP server, you have lost the correct network settings or it is desired to simply connect a capture workstation and the Lecture Recorder x2 without a router, by simply using a direct connect Ethernet cable.

  • Page 87: Rescue Settings

    Networking Either method, connecting directly or connecting using network discovery, is required to access the Lecture Recorder x2 to allow for further configuring of the device. Rescue Settings 11.1.1 The Lecture Recorder x2 comes with the following static address settings: IP: 192.168.255.250 (this special IP address is permanent to improve safety).

  • Page 88: Network Discovery Of The Lecture Recorder X2

    11.2 Network Discovery of the Lecture Recorder x2 Instead of connecting directly as described in the previous section, to the Lecture Recorder x2, the Lecture Recorder x2 can be discovered on the network and its IP address can be obtained.

  • Page 89: Epiphan's Epiphantouch App For Ipad, Iphone, Itouch

    EpiphanTouch finds, provides the IP address, and can be used as a remote control to start and stop broadcastings and recordings on the Lecture Recorder x2. It will list all Epiphan devices including the Lecture Recorder x2 operating on the same network as the iPhone, iTouch, or iPad that is running the EpiphanTouch application.

  • Page 90: Setting Ip Address

    The EpiphanTouch will discover all Epiphan devices. The IP addresses of all devices will be displayed. Record the IP address corresponding to the Lecture Recorder x2 you want to configure. If there is more than one Epiphan device on the network, you can identify your Lecture Recorder x2 by the serial number displayed.

  • Page 91: Set The Lecture Recorder X2 To Use A Static Ip Address

    Rebooting or Restarting Lecture Recorder x2. If the IP address is changed, the Lecture Recorder x2 must be removed from the Network Discovery Utility and then re-discovered by selecting Search. Additionally, the Lecture Recorder x2’s MAC address is displayed on the Network Configuration page.

  • Page 92: Set The Lecture Recorder X2 To Use A Dhcp Server

    Set the Lecture Recorder x2 to use a DHCP server 11.3.2 By default, the Lecture Recorder x2 is configured to connect to a network using a DHCP server, the DHCP server will automatically configure the network settings and assign a relevant IP address to the Lecture Recorder x2. This section describes how to re-enable DHCP settings if they have been disabled.

  • Page 93: Performing Network Diagnostics

    IP network and to measure the round-trip time for messages sent from the originating host to a destination computer. This tool investigates the network connection between the host that the Lecture Recorder x2 runs on and a user-specified destination host. After entering the URL or Lecture Recorder x2 User Guide...

  • Page 94: System Administration

    The date and time can be set manually or Time synchronization can be enabled on the Lecture Recorder x2. Configuring how the date and time is managed on the Lecture Recorder x2 is done by selecting Date and Time from the Web admin interface’s main menu.
  • Page 95 (NTP) server. This is done by having the Lecture Recorder x2 connect to the server over the Internet. NTP uses UDP and port 123. The default NTP server is time.nrc.ca. This should be changed to a NTP server that is recommended for your location.

  • Page 96: Figure 59 Setting The Date And Time

    The following table summarizes the configurable options for setting the date and time. Table 13 Date and Time Configurable Options Time Zone Select the appropriate time zone Enable time This parameter enables time synchronization with a NTP synchronization or RDATE server Protocol Select the time protocol Lecture Recorder x2 User Guide...

  • Page 97: Configuring Administrator Access

    Access Passwords section of the Web Admin interface. If you lose or forget the admin password you can reset the device to its factory default setting. See Restoring the Lecture Recorder x2 Default Factory Configuration in order to reset the device to factory defaults.

  • Page 98: Deleting The Administrator Password

    The administrator password can be deleted if it is not required. However, by removing the administrator password, it makes it easier for unauthorized users to change the Lecture Recorder x2’s configuration. 1. Log into the Web admin interface 2. Select Access Passwords.

  • Page 99: Delete The Operator Password

    Controlling viewer access to a broadcast can be done in two different ways. The first is to assign a password to the Lecture Recorder x2’s viewer password and the second is to enable IP Address based authentication. By default the viewer user does not have a password to control access and no IP Address based authentication is enabled.

  • Page 100: To Add Or Change The Viewer Password

    Once set up, users can access the broadcast just by clicking on a supplied link. The administrator for the broadcast would continue to access the Web admin interface using the administrator user credentials to access all features. Figure 63 IP-based Authentication Lecture Recorder x2 User Guide...
  • Page 101 (-). Example 1: 172.20.1.20, 172.20.1.32 Example 2: 172.20.1.1-100 Allow IP’s Enter individual IP addresses separated by a comma or a subset of IP addresses that are granted access to the broadcast. To specify a range Lecture Recorder x2 User Guide...

  • Page 102: Delete The Viewer Password

    Installing new firmware 12.5.1 Do not interrupt or power down the Lecture Recorder x2 device during the firmware update. 1. Log into the Web admin interface. Select Firmware Upgrade from the main menu.

  • Page 103: Maintenance Controls

    To complete the firmware upgrade you must reboot the Lecture Recorder Refer to the section, Rebooting or Restarting Lecture Recorder x2. Log into the Web admin interface and confirm that the Lecture Recorder x2 is now running the new firmware version by selecting Info from the main menu and by viewing the firmware version.

  • Page 104: Restoring The Lecture Recorder X2 Default Factory Configuration

    Note that restoring default factory configuration also restores default network configuration (DHCP settings are enabled by default). Pressing the Reset button on the Lecture Recorder x2 will also perform a reset to the default factory configuration. See the section, System Hardware Features , for information on the location of the reset button and the proper steps that need to be followed to perform a hardware based factory reset.

  • Page 105: Backing Up Current Configuration

    3. Click Restore. Shutting down the Lecture Recorder x2 12.6.5 To shut down Lecture Recorder x2 you need to disconnect power. It is not possible to shut down the device from the Web Interface. 12.7 Lecture Recorder x2 System Information To display the following system information, select Info from the Web admin interface’s main menu:...
  • Page 106 Service Discovery section, the IP address is not displayed. 4. Active connections. 5. Resolution of the connected video source and other VGA mode information. 6. The hardware platform information. This page is also displayed when you first log into the Web admin interface. Lecture Recorder x2 User Guide...

  • Page 107: Figure 66 Lecture Recorder X2 Information

    System Administration Figure 66 Lecture Recorder x2 Information Lecture Recorder x2 User Guide...

  • Page 108: Serial Port Configuring

    Serial Port Configuring 13 Serial Port Configuring The Lecture Recorder x2 can be integrated with control equipment that uses an RS- 232 interface. This RS-232 interface is used to trigger the device to perform various actions by sending a command over the RS-232 connection, refer to the RS-232 Commands chapter for more information about these commands.

  • Page 109: Customizing Presentation And Web Content

    The creation of this file is beyond the scope of this document. Figure 68 Customizing Web Content The table below outlines how to select and upload the necessary files to customize the viewing browser. Lecture Recorder x2 User Guide...

  • Page 110: Stream Branding

    5. The logo can be positioned using the left top, right top, left bottom, right bottom values. Use the Position field to select the required value. 6. Specify the left/right and the top/bottom margins for the logo. The margins are calculated using the selected position as the starting point. Lecture Recorder x2 User Guide...

  • Page 111: Figure 69 Stream Branding

    In the lower pane (“No signal” image) you can specify an image that displays when there is no signal detected. As in case with the logo file, you must previously upload the No signal file in the Stream Branding section. Figure 69 Stream Branding Lecture Recorder x2 User Guide...

  • Page 112: Configuring Remote Support

    Internet using TCP port 30. If the Lecture Recorder x2’s network settings are set to use DHCP, it gets the address of the DNS server from the DHCP server. If network settings are set to use a...
  • Page 113 If you have a firewall or some other device protecting the network from the Internet and you would like to enable remote support, the configuration of this device may have to be changed for the Lecture Recorder x2 to connect to the Epiphan maintenance server. Contact your network administrator for assistance.

  • Page 114: Figure 71 Remote Support Configuration

    Epiphan Support. For example, this might be changed to a numeric IP address if the Lecture Recorder x2 cannot connect to a DNS server. Server Port The Epiphan maintenance server’s port number.

  • Page 115: Disk Check

    Lecture Recorder x2. 17 Disk Check A disk maintenance schedule can be set up for checking the Lecture Recorder x2’s hard disk for errors. The hard disk maintenance schedule includes running a disk check after either a configured number of device restarts or after a configured number of months of operation.

  • Page 116: Disk Status Information

    In the Disk status section of the Web admin interface’s main menu, the total amount of space available on the Lecture Recorder x2’s solid state memory in GB is listed. Additionally, the used and available space in GB, and the amount used as a percentage of the total amount of space on the disk is displayed for quick reference.

  • Page 117: Configuring Using A Third-Party Application

    Configuring Using a Third-Party Application 19 Configuring Using a Third-Party Application The Lecture Recorder x2 can be configured and managed with the third-party applications or with a script that sends commands to the Lecture Recorder x2 as URLs. Please contact Epiphan for the most recent updates to the API.
  • Page 118 If any of the START commands are given while a recording is already in progress, the current recording will be stopped and a recording with the new settings will be started. The Lecture Recorder x2 periodically reports its status back using the following messages:...

  • Page 119: Retrieving A List Of Http Api Commands

    In this example <address> is the IP address or name you use to connect to the System admin interface. E.g., if you log into the Lecture Recorder x2’s Web admin interface using http://192.30.23.45/admin, then <address> would be 192.30.23.45. Lecture Recorder x2 User Guide...

  • Page 120: Keys For Http Api Commands

    Configuring Using a Third-Party Application Key is the name of the object of the Lecture Recorder x2 to be viewed or changed. See the next section for more information on the valid values for key. Value is the value to be set. Some values include spaces, for example, the frame size can be 1024 x 768.

  • Page 121: Broadcasting Setup Keys

    Possible values are 'on' or empty. Broadcasting will be disabled if the value is 'on'. audio Possible values are 'on' or empty. Enables broadcasting of audio signal. usenosignal Possible values are 'on' or empty. Displays “No signal” image if the signal is off. Lecture Recorder x2 User Guide...

  • Page 122: Asf Encoder Keys

    Add the name of the author of the video being broadcast. Use %20 for spaces. copyright Add copyright information for the video being broadcast. Use %20 for spaces. comment Add a title for the video being broadcast. Use %20 for spaces. Lecture Recorder x2 User Guide...

  • Page 123: Rtp Unicast Keys

    Enables recording functionality. Possible values are 'on' or empty. 19.11 Examples For a Lecture Recorder x2 device with an IP address of 192.30.23.45, and admin password of pass123, one can use wget to do the following:  Enter the following command to view the broadcasting stream type and...

  • Page 124: Sample Configurations

    2000 kbits for ~ HD; 4000 kbits for ~ Full HD Rate control mode Low delay Audio format PCM 44 kHz Audio channels Stereo PC with slides Codec H.264 codec Video encoding preset High Quality Video encoding profile High Lecture Recorder x2 User Guide...
  • Page 125 The diagrams below illustrate how the FPS and bitrate parameters correlate at different resolutions during the broadcast. These diagrams may be useful if you need to select optimal FPS and bitrate values and avoid possible broadcast issues. Lecture Recorder x2 User Guide...

  • Page 126: Figure 73 Correlation Between Fps And Bitrate Values At Resolution 1280X720

    Sample Configurations Figure 73 Correlation Between FPS and Bitrate Values at Resolution 1280x720 Figure 74 Correlation Between FPS and Bitrate Values at Resolution 1920x1080 Lecture Recorder x2 User Guide...
  • Page 127 Sample Configurations Figure 75 Correlation Between FPS and Bitrate Values at Resolution 640x480 Lecture Recorder x2 User Guide...

  • Page 128: Troubleshooting

    Lecture Recorder x2’s DVI Connect a DVI or VGA monitor to a In or S-Video ports but I am not Lecture Recorder x2’s DVI Out port (use sure whether the connected DVI-VGA adapter if necessary) and view source is being received from the the stream on the monitor.
  • Page 129 If the issue is not solved, perform a Disk Check and start the record again. Firmware upgrade If you are unable to upgrade firmware manually, i.e. upload firmware to the device from your working station, reboot the device and retry. Lecture Recorder x2 User Guide...

  • Page 130: Table Of Figures

    Table of Figures 22 Table of Figures Figure 1 Front View of the Lecture Recorder x2 ............7 Figure 2 The Lecture Recorder x2's Rear Panel ............9 Figure 3 3.5mm Mini-jack ..................10 Figure 4 VGA to DVI cable ..................11 Figure 5 DVI to DVI cable ...................
  • Page 131 Figure 53 FTP Server Options ..................82 Figure 54 Search for EpiphanTouch in the App Store ..........85 Figure 55 Log into the Lecture Recorder x2 as the Administrator ......86 Figure 56 Enabling DHCP.................... 89 Figure 57 Statistics displayed by the diagnostics tool after using the Ping utility ..90 Figure 58 Statistics displayed by the diagnostics tool after using the Traceroute utility ..........................

  • Page 132: Software And Documentation License

    You for download after acceptance of this Agreement, (ii) are packaged with this Agreement, or (iii) pre- installed on Epiphan products, or (iv) embed this Agreement in their installer(s) and which are installed after acceptance of this Agreement, and which binary and/or bytecode software programs include any Documentation;...
  • Page 133 You acknowledge and agree that the rights in respect to use of the Software and Documentation are granted only for use in conjunction with Epiphan hardware. You shall not distribute, lease, rent, grant a security interest in, assign, or otherwise transfer the Software except as expressly provided in this Agreement.
  • Page 134 Licensor shall be governed by the terms and conditions of this Agreement. Licensor reserves the right at any time not to release or to discontinue the release of any Software and to alter prices, features, specifications, capabilities, functions, licensing terms, release dates, general availability or other characteristics of the Software. Lecture Recorder x2 User Guide...
  • Page 135 Agreement. For the purposes of any applicable government use, the Software and Documentation were developed exclusively at private expense, and are trade secrets of Epiphan Systems Inc. for the purpose of any Freedom of Information legislation or any other disclosure statute, regulation or provision.
  • Page 136 You in connection with this Agreement, the Software or any services provided in respect to the Software. The application of the United Nations Convention on Contracts for the International Sale of Goods to this Agreement is expressly excluded. March 11, 2013 Lecture Recorder x2 User Guide...

  • Page 137: Environmental Information

    EMC directive of the European Community and meets or exceeds the following technical standard. EN 55022 - Limits and Methods of Measurement of Radio Interference Characteristics of Information Technology Equipment. Lecture Recorder x2 User Guide...
  • Page 138 Those who choose to access the Epiphan web site or use Epiphan products do so on their own initiative and are responsible for compliance with local laws, if and to the extent local laws are applicable.
  • Page 139 Miscellaneous It is the user's responsibility to ascertain whether any information downloaded from the Epiphan web site or other websites is free of viruses, worms, trojan horses, or other items of a potentially destructive nature. Enforcement of Terms and Conditions...

  • Page 140: Configuration Worksheet

    Configuration Worksheet 24 Configuration Worksheet Use this worksheet to keep necessary information about the Lecture Recorder x2 installation, settings etc. Parameter (IP address, DNS Value server, SSID…) Notes: Lecture Recorder x2 User Guide...
  • Page 141 Configuration Worksheet Lecture Recorder x2 User Guide...

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