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Audio and Video in

E-Content Development

Ashish Kumar AwadhiyaAsst. Director, Inter University Consortium (IUC), IGNOU,

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Multimedia

Multi- Several Media- Tool, Mediator

http://www.slideshare.net/salina2309/the-role-of-multimedia-in-education

Communicating in various

modes

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Multimedia DefinitionMultimedia combines five basic types of media into the learning environment:

•Text, • Graphics• Sound• Video and • Animation

Thus providing a powerful new tool for education.

http://encyclopedia.jrank.org/articles/pages/6821/Multimedia-in-Education.html

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DEFINITIONS Audio: It means "of sound" or "of the

reproduction of sound". Video: The recording, reproducing, or

broadcasting of moving visual images

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SIGNIFICANCE OF AUDIO & VISUAL Capture & Sustain interest Contribute to learning & retention Audio is a medium to reach people with

a visual disability as well

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ADVANTAGES Control to learners

Individualisation Self pace Selective reading

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OBJECTIVES Audio work involves the

Scripting Recording, Manipulation and Reproduction of sound waves

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SCOPE Preparation of Audio & Video

components using Audacity Any Video Converter Any Audio Converter Mobile Recording Device/ Digital Camera

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Exelearn.orgSupporting file formats

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AUDACITY http://audacity.sourceforge.net/ Audacity is a free, easy-to-use Recorder and Editor Cut, copy, splice or mix sounds

together. Change the speed or pitch of a

recording. And more! installation…….. LAME MP3

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HTTP://AUDACITY.SOURCEFORGE.NET/

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HEADPHONE SETTINGS

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AUDACITY HOME PAGE

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EXERCISE 1 Record Save as aup Export to mp3 Insert into eXeLearn

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EXERCISE 2 Skip to start Skip to end Play from in between Loop Play Record Timer record Append Record Basic Editing

Lets have an exercise

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EXERCISE: 3 Amplify Pitch Change Speed Fade in Fade out Trim & Silence Change Tempo

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Audio: Audacity (http://audacity.sourceforge.net/)

Any Audio Converter (http://www.any-audio-converter.com/

Video: Any Video Converter (http://www.any-video-converter.com/products/for_video_free/

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Any Audio Converter

Any Audio Converter is a free, easy-to-use

Convert between various Audio formats

Extract Audio from Video Downloads YouTube and convert to

MP3

http://www.any-audio-converter.com/

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Any Video Converter

Any Video Converter is a free, easy-to-use

Convert all videos to MP4, MP3, etc. for various media players

http://www.any-video-converter.com/