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Web Video Basics
Web Video Basics
Web Video Basics
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Презентация на тему: «Web Video Basics». Автор: Carol. Файл: «Web Video Basics.ppt». Размер zip-архива: 272 КБ.

Web Video Basics

содержание презентации «Web Video Basics.ppt»
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1 Web Video Basics

Web Video Basics

Carol Doggett

President/Owner

Preparing Your Videos for Today’s On-line World

2 Web Video Basics

Web Video Basics

Web video is no longer an option for businesses today. It’s expected. By 2013 it’s estimated 90% of internet usage will be video based.*

*Stat compiled by ClickStreamTV

3 Web Video Basics

Web Video Basics

Content Creation Distribution

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Web Video Basics

Two categories of video formats acquisition or source – what comes out of your camera; raw video used to make your project; higher resolution and larger file size sharing formats – formats meant for your finalized video that you distribute

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Web Video Basics

Common Acquisition formats

DV DVCPRO MPEG AVCHD HDV DVCPRO HD HD XDCAM HD

6 Web Video Basics

Web Video Basics

Common Sharing formats .wmv .mov .flv .mp4

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Web Video Basics

Before you make your video consider: Who is your audience What is your objective How will the video be viewed? - tradeshow - laptop/computer - DVD (standard or HD) - online/website - mobile devices - all of the above

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Web Video Basics

Before you make your video consider: Who will produce/create the video? Professional video production In-house production

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Web Video Basics

Tools for Content Creation In-house Production (minimum requirements): Camera with external mic input External microphone Tripod Editing software (compatible with camera format) Encoding and compression software

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Web Video Basics

www.webvideouniversity.com/podcast

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Web Video Basics

Once you’ve made your video, now what?

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Web Video Basics

To play a video on the web or your computer, it has to be compressed, or made smaller. Compression is always a balance between file size and image quality.

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Web Video Basics

Preparing content for distribution

Where will it be viewed? - tradeshow - laptop/computer - DVD (standard or HD) - online/website - mobile devices - all of the above

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Web Video Basics

Preparing content for distribution

Evaluate which format will work best based on: - Size of the file - Resolution and overall appearance - Compatibility of the file

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Web Video Basics

Common video file formats: .avi – an early form of video file, usually too big for a web sharing file .wmv – Windows Media Video, a Microsoft format highly compressed, good for small sharing files but image can look poor

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Web Video Basics

Common video file formats: .mov – QuickTime Movie file by Apple can be used as both source video and sharing file, but can be a bit large for sharing without major compression .flv – Flash video format is extremely common as a sharing file due to its small size and good look (but is slowly being replaced by HTML5/MPEG4)

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Web Video Basics

Common video file formats: MPEG 2 – Video file used in a DVD Video that plays in a home DVD player . Too big for web sharing file and incompatible with video editing systems (without conversion software like MPEG Streamclip)

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Web Video Basics

Common video file formats: MPEG 4 – .mp4 with H.264 codec is today’s universal standard for video files on the web. Recommended by YouTube, it is small in size with acceptable quality.

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Common video file formats for mobile devices: 3GPP – .3gp most common mobile format Flash Lite -- .FLV Flash for mobile devices MPEG-4 -- .mp4

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Web Video Basics

What size should your web video be? This is determined by aspect ratio: the ratio of width to height in a video Standard Definition - 4:3 aspect ratio width divided by 4 = height divided by 3 High Definition - 16:9 aspect ratio width divided by 16 = height divided by 9

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Size is measured in pixels Examples: Standard Definition : 640x480 pixels 640 divided by 4 = 160 480 divided by 3 = 160 High Definition: 1280x720 pixels 1280 divided by 16 = 80 720 divided by 9 = 80

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Common sizes (in pixels) for web videos Standard Definition : 640x480 480x360 320x240 High Definition: 640x360 480x270 320x180

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Images share same height

4:3 ratio 480x360 pixels

16:9 ratio 640x360 pixels

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Web Video Basics

Images share same width

16:9 ratio 320x180 pixels

4:3 ratio 320x240 pixels

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Web Video Basics

Encoding and conversion software: Free software - Media Coder - MPEG Streamclip - Windows Media Encoder - Any Video Converter Proprietary software - Sorenson Squeeze - Roxio - Compressor - QuickTime Pro - Telestream Episode

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Web Video Basics

Time to upload your video. But where will it live and where will it play?

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Web Video Basics

Video can “live” on: Your server or FTP Video Sharing Website (Hosting Service) Media Management Service/Online Video Platform

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Web Video Basics

Video needs a player: Embedded on your site Link to a hosting service, i.e. YouTube Channel Download file

www.vrabuffalo.com www.wendtcorp.com/auto-shredders

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Web Video Basics

Video Sharing Websites (Hosting Service) Blib.tv Flickr QIK (for mobile video) http://qik.com/ Viddler http://www.viddler.com/profile/vra Video Rebel Vimeo Yahoo! Video YouTube

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Web Video Basics

Media Management Software/Online Video Platforms Kaltura www.kaltura.com Brightcove http://www.barnesandnoble.com/bn-studio thePlatform Limelight Ooyala Kyte Magnify KickApps Sorenson 360 RealGravity

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Web Video Basics

Summary: Web video is expected Content Creation & Distribution Encode and size video for best delivery Video needs a place to live Video needs a player to view Tag videos for search-ability Manage your video assets Make use of analytics Consider monetizing your efforts

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Thank you.

716.833.5150 www.vrabuffalo.com

Preparing Your Videos for Today’s On-line World

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Web Video Basics

Basic terms to know: Encode/Render– exporting a video in a format that will become useable on the web Bit Rate – Indicates video & audio quality. The higher the number, the better the quality. Sample Rate – Indicates audio quality

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Basic terms to know: Aspect Ratio – Ratio of width to height in a video: SD 4:3, HD 16:9 Codec – the “programming language” used to encode or make a video Flash – multimedia platform used to make videos and video players

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Web Video Basics

Basic terms to know: HTML5 – language for building web pages iOS – portable Apple devices, i.e. iPhone, iPad Embed Code – makes videos play in video players, on a web page Flash Fallback – video players that allow videos to play on iOS devices and devices that support Flash

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Web Video Basics

Basic terms to know: Progressive Download – video that is simultaneously played as video is downloaded to your computer/device Streaming – only the exact portion of the video you are watching is delivered to your computer device

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Web Video Basics

Basic terms to know: Bandwidth – a rate of data transfer, bit rate or throughput, measured in bits per second (bps)

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