A presentation is a collection of settings that define how
Mediasite should encode, record, stream, and publish audio, video, and images.
You can add presentations for recording later or add presentations using
pre-recorded MP4 and WMV video files. When you add a presentation for recording
later, you can make it available to your audience as a live broadcast and for
on-demand viewing.
Using templates
When a template is present in a folder, Mediasite pre-fills
new presentations added in the folder with its settings, thus reducing the time
and effort required. Templates define how presentations are created, published
and the media format types available. When using templates, you only need to
specify the Name, Description, Record Date, Record Time, and Duration.
However, you can modify all settings if you choose.
If there are not any templates in the folder, when you add
a new presentation, you must fill in all settings as described below.
Stream group considerations
When selecting a stream group for your presentation or
adding streams individually, consider the following:
•
The streams you select will determine which server groups are associated
with your presentation.
•
If you have multiple video streams, by default, Mediasite syncs the audio
to play back from the lowest number video stream, which is the stream with the
primary content. However, you can synchronize the audio with a different video
stream, for example a video stream featuring the presenter talking, by selecting
it from the drop-down list. This change can also be made after the presentation
has been recorded.
•
To create audio-only presentations, you must select an audio-only stream
group. Note that when you record an audio-only presentation, the Recorder will
capture the video and allow you to monitor the recording sessions and preview
the final presentation. However, the video will not be available for playback in
Mediasite Player.
•
Once you add a stream group to a presentation, you can enable the
following additional features:
o OCR
detection: You can enable OCR detection on video and slide streams. You
will enable OCR detection to extract text from slides. When a presentation with
OCR detection enabled is published to Mediasite, OCR detection is automatically
done for its slides. OCR detection allows users to search a presentation's slide
text by entering key words or phrases. Users can then use the search results to
view the presentation at the times where the search term is found. In cases
where OCR detection fails, Mediasite allows you to resubmit OCR detection.
o Slide
generation: When you enable slide generation on a video stream, Mediasite
automatically generates slides from the video stream. In on-demand
presentations, the generated slides are used in place of secondary video streams
on mobile devices and are used in seek player views when using the MultiView
Player.
Security considerations
When creating and securing your presentations, it is
important to have a basic understanding of Mediasite security. In the following
two topics, you will find information on permissions and permission
templates.
Permissions
You will secure presentations by assigning roles and user
profiles permissions:
|
Permission
|
Description |
|
Read |
•
Users must have read permissions on a presentation to
o see it in a shared
folder.
o add it to a channel or
showcase.
•
Users with read permissions on a system component, such as a player
or template, can see the item and use it when creating a presentation or
schedule. |
|
Write |
•
Users are automatically given read permissions when assigned write
permissions.
•
Users must have write permissions on a presentation to update its
settings, record it, and edit it.
•
Users must have write permissions on a channel, folder, or showcase
add presentations to it. |
|
View |
View permissions determine which presentations or
shortcuts users can see in a channel or showcase and play back in
Mediasite Player. |
|
Execute |
Execute permissions determine which operations users
can perform in management applications. |
|
Annotate |
Annotate permissions allow Showcase users to add
annotations to a presentation and participate in annotation discussions.
|
|
Moderate |
•
Moderate permissions determine which users can view questions from
the audience on a presentation’s properties page. When a role or user
profile is assigned moderate permission for a presentation, it is
automatically given read permission for it.
•
If a user is assigned Moderate and Annotate permissions, they can
moderate a presentation’s annotation discussions.
•
User will receive notifications when comments or annotations are
flagged on a presentation. |
|
Approve |
Approve permissions determine which users can comment
on a presentation, review edited versions of it, recommend changes, and
approve or reject content updates. |
Permission templates
Alternatively, you can secure resources using permission
templates (pre-defined jobs). The appropriate permissions are assigned to items
secured in this manner. Permission templates are available as additional options
for users with “advanced security” access. Users with “basic security”
permissions can only secure resources using permission templates:
The following permission templates are available in
Mediasite:
|
Permission
Template |
Description |
|
Writer |
User can view and update the presentation in the
Portal or My Mediasite. |
|
Viewer |
User can view the presentation in the
Player. |
|
Reader |
User can view an item’s settings in the Portal or My
Mediasite. |
|
Editor |
User can edit a presentation using the web-based
editor. The user will be able to launch the Editor from the presentation’s
summary page. |
|
Approver |
User can comment on a presentation as well as approve
or reject changes made to it. |
|
Moderator |
User can view and respond to questions from the
audience. The user will be able to launch the Q & A forum page from
the presentation’s summary page. The user will also receive notifications
when comments or annotations are flagged on the presentation.
If a user is assigned Moderate and Annotate
permissions, they can moderate a presentation’s annotation
discussions.
 When a user is assigned moderate
permissions for a presentation, questions will be forwarded to the email
address associated with their valid user profile unless the user opts out
of moderator emails or provides an alternate moderator email
address.
|
For more information on security in
Mediasite, contact your Mediasite administrator or see the Mediasite
Configuration Guide.