Trying to Upload a Zoom Video to Blackboard but It Has Zero Bytes
Collaborate monitors and adjusts to your connection speed. This ways you tin have part in sessions fifty-fifty when your connection is slow or your network is poor.
Connection condition
Yous can check the connection status for anybody in the session, including yourself. In that location are two places yous tin watch the status of network connections.
- From the Attendees console
- From your profile movie on the main stage
Expect for the connexion status indicator and move your arrow over information technology. From the details that appears y'all can tell if the connection is great, okay, or poor. To learn more about what the information ways, encounter Connection status details.
If you are using a keyboard for navigation, use your keyboard to admission the attendees list in the Attendee console. Navigate to an attendee. The connection details for that attendee appears. Screen reader users tin can admission this content using standard keyboard navigation commands.
If your connection is poor, a connexion condition indicator appears over your contour picture. Motion your pointer over it for the connection details.
This information is always updating. Collaborate adjusts your feel based on your electric current connection.
More on Dynamic adjustments
Connection condition details
There is a lot of information in the connection status details. But what does it all mean?
An attendee's network connection is either excellent, good, off-white, or poor.
- Fantabulous: Attendee can share, run across, and hear everything with no issues.
- Good: Attendee can share, run into, and hear everything with piffling to no bug.
- Fair: Attendee may experience some changes in their experience.
- Poor: Attendee may have difficulty hearing, seeing, or sharing anything.
Upward and Down
The Up and Down shows the attendee's power to upload and download information at that time. This includes their ability to share or run across audio, video, and content.
If Up is poor, the attendee may have difficulty sharing their video. If Up is good, they should have no problem. IfDownward is good, the attendee should accept no trouble seeing and hearing everything. If Down is poor, the attendee may be having difficulty.
Upward data just appears when the attendee is sharing something.
Bitrate
Bitrate is a measure of how much audio and video data is existence delivered. By and large, the higher the number, the meliorate the quality. However, the content beingness shared has an bear on on this number too. For example, if you are only sharing audio, this number will be depression simply because sound does not accept a very high bitrate. These are some examples of how much different features contribute to the bitrate:
- Audio always uses 48 kbps.
- Each video typically uses 360 kbps simply can drop equally low equally 20 kbps depending on network weather.
- Application sharing ranges from 70 kbps to 500 kbps depending on the content beingness shared and network conditions.
Fortunately, at that place is no need to figure out from these numbers what an attendee might be experiencing. Interact does the math for y'all. The connection condition indicator tells you what an attendee's experience is virtually likely to exist (excellent, proficient, fair or poor).
Loss (Audio)
Every bit audio and video streams over the network, some information may be lost. Video loss generally isn't of import, but audio loss is. The Loss (Audio) row indicates the percentage of sound data lost on the up and down link. These are the thresholds Collaborate uses to make up one's mind the attendee'southward experience:
- 10% and lower: Good or Excellent. Attendees should have no trouble hearing anything.
- 10% to xx%: Fair. Attendees might take some trouble hearing. But fifty-fifty at this level of loss, sound is often very good. Issues might arise if the loss is full-bodied at particular times.
- twenty% or higher: Poor. Attendees volition probable notice audio dropping out, or sounding robotic periodically.
Blackboard's sound processing algorithms tin can often mitigate fifty-fifty very high rates of data loss. Losing 20% to thirty% of audio data tin can withal result in usable audio if the data is lost evenly over time. If someone's Loss is at those levels, communication may nonetheless be possible, but it is non guaranteed.
Delay
The Delay value indicates how long it is taking for audio data from the attendee's car to achieve the Blackboard servers.
Attendees that accept specially high delays of 1 or more seconds may non appear to be responding in a conversational way. Delight allow time for them to respond before assuming they won't.
Joining and reconnecting
Collaborate as well tells you lot when attendees are in the procedure of joining or reconnecting to the session.
- If an attendee is yet joining you see Joining... with their proper name. In the Attendee panel their avatar is circled in purple and then dark-green. After they have joined the avatar appears every bit normal.
- If an attendee is reconnecting y'all see Reconnecting... with their name. In the Attendee console their avatar is circled in red. After they have reconnected the avatar appears as normal.
- If you are reconnecting your status changes to indicate y'all are reconnecting and your main tools, such as audio and video, are disabled.
Yous tin can turn on visual and sound notifications to let you know when someone is joining or reconnecting. Get to My Settings and select Notification Settings. Cull the notification you want.
Attendee is joining
Attendee is reconnecting
Y'all are reconnecting
Collaborate Dynamic Adjustments
Dynamic adjustments
Collaborate dynamically adjusts to sending and receiving connection bandwidth changes in the quality of your internet connection. As your connection improves or degrades, the bandwidth apply for video is adjusted upwards and down.
Some situations may require additional adjustment. Collaborate adds explicit experience changes to accommodate a wider range of connectivity blips.
When the experience changes, y'all are notified and told why.
Experience changes for download weather condition
When your network connexion can't handle downloads the video and application sharing experience changes.
| Optimal bandwidth | Reduced bandwidth | Why information technology changes |
|---|---|---|
| Video for 1 active speaker is showing. Sound is on for all attendees. | The active speaker'southward video is replaced with their profile picture. There is no change in the audio. | The connection can't handle the video download. |
| Video for one active speaker is showing while an application is existence shared. Audio is on for all attendees. | The active speaker's video is replaced with their contour film. At that place is no alter in the audio and awarding sharing. | The connectedness can't handle the video and application sharing downloads. |
| The profile picture show for one active speaker is showing while an awarding is being shared. Audio is on for all attendees. | There is no change in the active speaker profile picture and audio. If at that place is enough bandwidth, awarding sharing sends in reduced quality. A broken sharing badge appears in this instance. If at that place isn't enough bandwidth, awarding sharing stops. | The connection can't handle the application sharing download. |
| Video for multiple speakers are showing. Sound is on for all attendees. | Video shows for just the agile speaker. There is no modify in the audio. | The connection tin can't handle multiple video downloads. |
Experience changes for upload conditions
When your network connection can't handle uploads the video and application sharing feel changes.
| Optimal bandwidth | Reduced bandwidth | Why it changes |
|---|---|---|
| A user is sharing loftier quality video. This can be their camera video or video content that is shared. | The video switches to a lower quality video stream. | The connection can't handle uploading loftier quality video. |
| A user is sharing high quality video. This tin be their camera video or video content that is shared. | The camera is disabled and video is no longer sent. Audio is notwithstanding being sent. Others will see this attendee's contour picture instead. | The connexion tin can't handle uploading video. |
| A moderator with disabled video is sharing an application. | Audio can still exist sent. If there is plenty bandwidth, application sharing shows in reduced quality. If there isn't enough bandwidth, you can no longer see application sharing. | The connexion tin can't handle awarding sharing uploads. |
FAQs
What are the primary factors in bandwidth consumption when using Collaborate with the Ultra experience?
Collaborate adjusts bandwidth utilize dynamically. This allows us to actively monitor user network connectedness and arrange the download speeds before the user should experience problems.
The principal factors in bandwidth consumption for Collaborate Ultra are sharing webcam videos and sharing applications.
- Webcam video bandwidth uses ranges from 360kbps down to 20kbps per photographic camera, upwards to four cameras
- Audio always uses 48kbps
- Ability to receive application sharing and audio as depression equally 88kbps
- Application sharing bandwidth uses ranges from 500kbps down to 70kbps
- Can show iv cameras with sound as low as 128kbps and with a max of 1488kbps.
A modest amount of overhead is also required for chat, and so on.
If network conditions falter and tin't sustain the minimum bandwidth needed, we'll turn off cameras and awarding sharing. For 1 camera and audio the trigger will be 68 kbps and for application sharing and audio 118 kbps.
When network conditions improve, the camera and awarding sharing turn back on automatically.
What should I practise if bandwidth is a concern?
For sessions where bandwidth is a business concern, we recommend that no attendees share their webcam video unless required for the instruction. We too recommend that the moderator or presenter use file sharing and whiteboard for content instead of application sharing. Use application sharing when information technology is required for the educational activity. With no video and application sharing, a user with 128kbps connection will be able to participate fully in the session.
We recommend that you inform your instructors to disable video sharing for participants and rely more than on file sharing than application sharing. Please likewise keep in listen that bandwidth is non only a business concern regarding the network. Other factors, such as latency, jitter, and packet loss tin all touch the quality of the session.
More on how to manage attendees
Source: https://help.blackboard.com/Collaborate/Ultra/Administrator/Low_Bandwidth_Management
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