Using sound and video to provide communication By Natalie Stacey.

Using sound and video to Using sound and video to provide communicationprovide communication

By Natalie StaceyBy Natalie Stacey

OverviewOverview

The History of Communication.Using sound and video in multimedia.The use of Communications in sound and video.Live Communications audio / video / both.Who benefits from video conferencing.

1821 – First microphone made

1835 – Morse code invented

1843 – Long distance electric telegraph line

1876 – Telephone invented

1902 – First radio signal across the Atlantic Ocean

1906 – Electronic Amplifier invented

1979 – First cellular phone communication network in Japan

1985 – Cellular phones in cars become wide-spread

1990’s – Cellular phones become wide-spread

1994 – Internet is born, allowing live sound “calls”

Communicating with sound – The historyCommunicating with sound – The history

Communicating with Video Communicating with Video – – The historyThe history

1910 – First talking motion picture

1927 – First television broadcast and release of first film

1956 – Video recorder made

1970 – Fibre optics patented

1979 – “Video disk” invented

1984 – Portable camcorder invented

1994 – Internet is born, allowing live video “calls”

2003 – “Three” network allowing video and sound communication with cellular phones.

Communicating in a video-conference Communicating in a video-conference – – The history The history

1956 – Picture phone invented.1973 – ARPAnet experiment with voice and video1991 – Web Cam invented and first audio/video conference

TODAY – More and more businesses use video conferencingon a daily basis, over the Internet, video and audio conferencing is as popular and common as text-based communications andMobile phones now use video as a way of communicating.

Using Sound and Video in MultimediaUsing Sound and Video in Multimedia

The use of sound and video allows the audience to take in the information easier – the eye receives information quicker than the ear!

When using video and narration, never make narration the primary device, your audience will get bored!

If you use clips of animations, videos etc, you must either keep them short, or at least make sure that they are interesting throughout.

Streaming audio file formatsStreaming audio file formats

There are many type of live streaming digital audio file formats, here are a few of the most common ones;

- Real Audio - .ram

- Live Audio - .la

- Liquid Audio - .lqt

- Stream works - .mpa

- Shockwave Audio - .swa

- NetShow Audio - .asf

For live communications over the internet, .RAM is commonly used, as this is compatible with both Windows and Macintosh operating systems.

The use of streaming audioThe use of streaming audio

- Internet radio (example, see below)

- News broadcasts

- Live updates or announcements on specific websites.

http://www.snakenetmetalradio.com/tunein.asp - clicking this link will open the streaming file in the player you select before hand

Streaming video file formatsStreaming video file formats

There are many type of live streaming digital video file formats, here are a few of the most common ones;

- Windows media - .wma- RealMedia - .ram- Quicktime - .qt- MPEG4 - .mpg- DIVX - .divTop three are most common as they are compatible

with both OS’s and can stream audio & video

Video-conferencing onlineVideo-conferencing online

A video conference is a live connection between two or more people in separate locations, usually involving audio, video and text.

Microsoft introduced the first software specifically for video-conferencing called Windows NetMeeting which came with Windows 2000.

Features;

See who you are talking to through web cam

Options for web cam and microphone allowed

Zoom in and out allowed over NetMeeting

Whiteboard

Who benefits?Who benefits?

Businesses have meetings via video conferencing

- Saving money, and time.

People can learn via video conferencing if they are unable to attend classes.

Socially, people can also see people who they haven’t for a long time.

Picture source: Microsoft NetMeeting

What Are Some Advantages Of Video What Are Some Advantages Of Video Conferencing?Conferencing?  

Better Planning Opportunities:  Planning ahead is priority in web conferencing. This preparation time allows for high returns

Interaction With Experts:  People can get fast information from experts in real time

Cultural Difference:  Web Conferencing Software allows people to meet many different types of people.

Better Retention:  Web Conferencing for learning purposes is just another way to learn instead of using a textbook

Example of software for videoconferencing Example of software for videoconferencing on a business levelon a business level

Using Infinite video conferencing software, businesses can easily have a video conference over the Internet.

Pictures source: Infinite Conferencing

Example of software for video conferencing Example of software for video conferencing on a business levelon a business level

The benefit that KDDI haveover Infinite, is that it is compatible with all operating systems

Pictures source: KDDI software

Using Microsoft MSN messengerUsing Microsoft MSN messenger

The feature for a video conference only allows up to two people view each other’s web cam as shown below.

This feature is extremely easy (providing you have a web cam) to activate with one button click and only takes a few minutes to connect.

Pictures source: MSN Messenger

Without sound or video as a form of communication

- Those with difficulties would suffer

- Businessmen / women would still have to travel long distances to attend a meeting and waste time and money in doing so.

- People who cannot learn in a classroom, would suffer.

Thank you all for listening!

BibliographyBibliography

- http://www.microsoft.com/windows/netmeeting/

- http://www.about.com

- http://www.kddi.com

- http://myhome.hanafos.com/~soonjp/vchx.html

- http://www.snakenetmetalradio.com

- “Designing effective multimedia Presentations” - Peter Faraday and Alistair Sutcliffe - Electronic Publications, 1997