Introduction to online video for teaching and learning
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Introduction to online video for teaching and learning
- 1. Salisbury and Modbury Introduction to online video for teaching and learning
- 2. Key learnings • Basic concepts and terminology of video • Opportunities of online video in learning • The impact of the NBN on video • Tools you will need for video production • Introduction to YouTube • Google+ Hangouts
- 3. Opportunities for video in learning • Webinars • Live remote assessments • Recorded edited • Screen capture demonstrations • Collaborative learning • In-game capture (machinima)
- 4. National Broadband Network (NBN) • Much higher speed internet access • Allows HD video to be streamed • Do more at once online
- 5. Terminology • Streaming • Bit-rate • Codec • Lower third • Content Delivery • Bandwidth Network (CDN) • Buffering • Rendering
- 6. Benefits of online video • New ways to connect with your audience • Testimonials • Training and how to videos • Product information and demonstrations • Screen capture walkthroughs
- 7. Tools of the trade • Camera • Microphone • Tripod • Editing Software • Computer
- 8. Tools of the trade
- 9. Tools of the trade
- 10. Tools of the trade
- 11. Tools of the trade
- 12. Tools of the trade
- 13. Tools of the trade
- 14. Introduction to YouTube • Easiest way to publish videos online • Supports High Definition and 3D Video • Live Streaming coming soon
- 15. YouTube Accounts • Normal user • Partner • Publish videos • Publish videos • Comment • Comment • Subscribe • Subscribe • Brand your channel • Earn revenue • Promotional tools • Advanced analytics • YouTube support and rewards
- 16. Google+ Hangouts • Live video conferencing • Integrates with YouTube • Allows you to connect realtime with your audience
- 17. Google+ Hangout Applications • Any live, real time communication • Group job interviews • Showing prospective buyers through a house • Client meetings • Training • Remote assessments • Remote Classes
- 18. Credits • These slides were adapted from slides created by Ryan @ Connecting Up
Editor's Notes
- StreamingNew technologies used to send video information over the internet. Rather than wait for the whole file to download, the video streaming technology lets the clip begin playing after only a few seconds.CodecA codec is a device or piece of software that encodes or decodes digital data. In this case it compresses and decompresses video in a format suitable for transmission over the internet.Web video examples are H264, WMV, DivXVideo editing and broadcast examples are Apple’s ProRes 422, DV, AVCHD, DNxHDContent Delivery NetworkOr CDN for short, is a series of computers networked across the internet to deliver content to users. It can comprise of anywhere between half a dozen and thousands of servers in many locations, with end users downloading content from their nearest server. You wouldn’t even know you’re using one!Amazon is one of the most popular and easy to access, allowing user paid access to their network and they have just launched a server farm in Sydney.Akamai are one of the largest commercial players.RenderingProcessing video for playback. This could be processing an effect, transition or animation, or it could be rendering a video into a different format or codec. It is a very resource intensive process.Bit-rateThe amount of data that one second of video or audio data will consume.Lower thirdRefers to titling which only takes up the lower third of the screen. Most often used for captioning the person speaking.BandwidthThe amount of information that can be sent through an internet connection. Usually measured in bits or megabits per secondBufferingSaving a portion of a web streaming file to local storage for playback. Typical example of this is YouTube, where if you look at the timeline the red section is what you’ve played, and the light grey section is the part that has been buffered.
- There is a tool to suit everyone, whether you’ve got a low or high budget, and with much of the work you will be doing there will be a point where you’ll be paying extra for features you won’t use.In fact, in some cases, more expensive will actually mean worse for your application.So here are some of the basic tools that you’ll need, and it’s likely you already have some of these lying around.
- Video cameras!Spending more money is going to get you better image quality, but as you’re compressing video for the internet there are diminishing returns.Important differences are going to be:Amount of zoom on the lensAbility to connect external microphonesAbility and ease of adjusting settingsBuild quality and weather proofingRemovable lensesRecording mediaHard drive / internal storageTapes: DV tapeRemovable cards: Compact Flash, SD, Memory Stick, SSD hard drivesProfessional media: P2, SxS, DV Recording format / codec – will influence your editing computerBatteriesBest to start with something relatively easy to use
- Good audio makes a big difference between a good and bad video. Being able to hear the presenter speak clearly without background noise is vital.Three key types:Lavalier, or lav – clips or tapes to the subject’s bodyShotgun – highly directional, used for boomHandheld – For the professional/reporter style look. Versatile during interviews.You also have the option with a Lavalier to use a wireless kit. These are excellent and versatile tools that allow you to wirelessly transmit audio back to your camera automatically synced with the video. This can save a lot of time when you’re editing.This is commonly used with a lavalier, with a body pack transmitter in the pocket of the presenter, but there is also a transmitter that can connect to the bottom of your microphone.I’m biased here and prefer to use Rode microphones wherever I can, as they’re Australian designed and made, and come with a 10 year warranty.
- TripodImportant, particularly with small sensor cameras – need good stabilisation for effective resultsA photography tripod will not necessarily make a good video camera tripod.Main considerations:Head – fluid head is important if you plan to pan and capture moving objectsWeight of your camera - tripods and heads will be rated to a certain weight and won’t necessarily hold the camera on if it is lighter than this. May also wobble.Again, law of diminishing returns. You get to a point where extra money is going to buy functionality you won’t use, or will result in a lighter tripod able to hold a heavier camera.More expensive does not necessarily equal better!Miller are Australian.
- Editing softwareOften referred to as NLE or “Non Linear Editors”Your choice of software will be dictated to some extent by OS – some are only available for MacOS, or Windows.For beginners, good basic tools are Windows Live Movie Maker, and iMovie.Windows Live Movie Maker is free for Windows users, and iMovie comes free on most Macs, or is relatively low cost. iMovie is also available for iPads and iPhones.Basic tools are good in that they let you do basic editing, compressing and titling of videos, but can be restrictive.The next step up would be something like Adobe Premiere Elements or Sony Vegas, which are relatively low cost.Professional tools are Apple’s Final Cut Pro, Adobe Premiere Pro and Avid Media Composer.
- Computer requirements will depends on:your personal preferencewhat format your video camera records inSystem requirements for your chosen editing programAVCHD requires more processing power.Faster processors mean shorter rendering times.Suggested 2GB RAM per processor core, 4GB bare minimum.More RAM equals faster performance and often better stability.Make sure you have enough data storage – high definition videos take up a lot of space! Multiple drives will give you higher performance when rendering.64-bit processors and operating systemDual core processors minimumYou may want to consider dual or triple screens – you will need to make sure your computer can handle thisSlower, older computers may become completely unusable while rendering a video for final display
- External audio recordersUseful if your camera doesn’t have an audio input, or the audio input doesn’t suit your microphone (e.g. no XLR)Requires syncing audio as part of the editing processHard drives and data storageRAID is a stack of hard drives connected together to form one diskHigher performanceCan be configured to offer data protectionLightingUseful if shooting indoorsBlimpOffers wind protectionUseful if shooting outdoorsBoomUsed for directing shotgun microphones at the speaker
- People don’t really think about it, but YouTube is now the world’s second biggest search engine, behind Google, and is the world’s third biggest web site.This has significant SEO implicationsThird biggest web site, behind Google and Facebook.Vimeo is for less commercial purposes, more indi film makers. More of a community, but less traffic.
- After this show live demo of two YouTube profiles to show the difference:http://youtube.com/bigkevracerhttp://youtube.com/boscharchttp://www.youtube.com/worldfoodprogram
- Call Ben for Google+ Hangout
- TrainingLife coaches