Cisco Digital Video Recorder in Stand-Alone Mode Manual de usuario descargar pdf (Pagina 22)

Here is a specific list of the actions needed to capture and publish the lecture:

1. Establish a Session Initiative Protocol (SIP) call to the TCS – use the remote call to select the

call from the directory or call history, and press the green ‘call’ button to confirm.

2. At the end of the recording session – drop the call – press the red ‘end call’ button.

3. Wait for approximately 2x length of the recording.

4. Access the Show and Share server and match the names from the LDAP-based directory (one

off action) and optionally add chapter markers.

5. Video is now ready for end users to view.

Optionally

Once the video has been encoded it is possible for the server to make a version available for

download and further editing. This might include adding title screens at the start of each lecture,

removing any dead space between lectures etc. If this is done, the edited version can then be

reloaded to the Show and Share portal and published. The speaker names and key word index will be

reproduced automatically without any manual intervention. A version of the TERENA lectures was

edited in this way using iMovie on MacBook Pro. It is also possible to control the format of the final

video by arranging the two video windows (speaker and presentation) as is considered most

appropriate. Either the speaker or presentation video may be configured to take up the full screen, or

both videos can be viewed simultaneously, with the presentation occupying most of the screen and

the speaker appearing in the corner.

It is also possible for the incoming live feeds to be re-broadcast to allow remote learners to watch the

transmission. Where this is done, the remote learners may provide feedback using other

communication methods such as Twitter.

In cases where access to the live transmission needs to be extended to remote participants, this may

be achieved by bringing additional VC end points into the call using a Multipoint Control Unit (MCU)

device. Here remote participants would be able to interact with the lecturer as the lesson proceeded.

When many end points are included in this way, it is further recommended that remote sites interact

on an invitation only basis to prevent too many interruptions to the lecture flow. Where services like

Twitter are employed, remote attendees may discuss/question lecture content as the event proceeds

without restriction.

Once the lecture is recorded the system can be set up to automatically add watermarks, bumpers and

trailers. These can be edited to provide information that is specific to the local circumstances. For

example, a bumper might include information about the university where the recording was made,

etc. In addition, the operator can manually add chapter markers to allow specific points in the

running order to be accessed directly.

The end product video can be viewed via a web browser that supports Flash. The Show and Share

portal is an integral part of the workflow and this exposes the metadata added by Cisco Pulse

Analytics. This metadata includes the lecturer voice profile and key word index. The lecturer voice

profile is exposed in the form of colour coding on the video’s timeline, with a different colour for each

speaker throughout the recording. The key word index is automatically produced based on a pre-

defined vocabulary, which can be further customised to reflect the needs of specific subject matters. A

lecture on a science subject like nuclear physics would clearly have different vocabulary requirements

from a lecture on politics.

It is also possible to have a stand-alone video format (such as .MP4) produced as part of the

automated process, that can then be downloaded and edited offline. This would be useful when the

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Comentarios a estos manuales

Sin comentarios

Cisco Digital Video Recorder in Stand-Alone Mode Manual de usuario Pagina 22

Comentarios a estos manuales

Relacionado con productos y manuales para Grabadores de vídeo digital (dvr) Cisco Digital Video Recorder in Stand-Alone Mode