Internet Broadcasting Basics
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Sound on your computer
- In Feb. 1993, the average computer had fewer than 4 MBs
of RAM, less than 200 MB hard drive, processor speed at less than 66 Mhz
- Few people had ever seen a Web page or a CD-ROM
- Dominant OS was text-based DOS
Sound on your computer
- Today
- Listen to and record favorite CDs
- Download compressed digital audio files from WWW
- PC can compose documents by voice
- Teleconference
- transmit audio across internet
- Etc.
Evolution
- The first personal computers that made sound came out
in the late 1970s and early 80s
- Tone generators and 2 inch speakers
- Alerts
- Game developers tried to work around limitations by manipulating
electrical frequency that activate tone generators
Evolution
- Sound cards became popular in mid-80s
- 8-bit cards
- FM synthesis
From Revolution to Reality
- By early 1990s, sound cards had begun to improve
on shortcomings
- 16-bit sound
- Wavetable synthesis
- More realistic sound production
- 16 bit card + Wavetable synthesis = CD quality
From Revolution to Reality
- Problem was that the average PC didnt have big
enough hard drives
- Sound cards required more built in memory
- Not enough RAM for Wavetable synthesis
- Computers not sold with external speakers, CD-ROM Drives,
microphones or sound cards
- Software not designed to take advantage of audio capabilities
From Revolution to Reality
- Time Passed
- Computer technology advanced
- Hard drive capacity
- Faster, more powerful chips
- Price of memory decreased
- By 1996, new computers equipped with audio features
Beginnings of
Internet Broadcasting
Progressive Networks
- 1993, formers Microsoft manager, Rob Glaser, founded
Progressive Networks
- Progressive developed RealAudio
- Buffering Technology
- Streaming vs. downloading
- Now RealNetworks
Broadcast.com and the Aggregators
- Two Indiana U. alumni in Dallas wanted to listen to Hoosier
BB
- Used RealAudio to rebroadcast games
- Started Broadcast.com
- Gathered contracts & rights to rebroadcast radio
stations & sports venues via Web
- Now - Yahoo Broadcast!
- Aggregators
Beginnings of Personal Radio
- Justin Frankel used upstart MP3 technology to develop
Winamp
- Real focused on proprietary RealAudio Format
- Winamp and others chose MP3 which many flocked to from
1996-1998
- SHOUTcast (MP3 streaming) more conducive to the personal
broadcaster
- Real is now giving away a twenty-five-user version of
Basic RealServer
FUTURE OF BROADCASTING?
Traditional Broadcasting?
- How will terrestrial radio be affected?
- Portable internet devices
- Increasing quality and selection on the internet
- DAR (digital audio radio)
- Video/TV Services
Future of Broadcasting?
- Traditional broadcasting - to an audience based in a
specific geographic region
- Internet broadcasting goes global the second it is started
Future of Broadcasting?
- Traditional broadcasting overseen by FCC and other governmental
agencies
- There is minimal regulatory control over Internet broadcasting
- Copyright laws are primary regulatory issue
Future of Broadcasting?
- Traditional broadcasting targets a much broader audience
- Internet Broadcasting is much more about one-to-one communications
and can provide extremely narrow formats
Future of Broadcasting?
- Internet broadcasting tends to combine itself with other
media and communications found on the Web
- Web pages, graphics chat, e-mail, instant messaging
- Same technology that enables your broadcast, enables
many other forms of communication.
Future of Broadcasting?
- Traditional broadcasting requires a license and large
capital investment in equipment and rights fees.
- Anyone can start Internet Broadcasting as long as he
or she has a computer, a connection to the internet & the right software.
Conventional Broadcasters
- Radio stations say their local flavor gives them a leg
up on the internet-only competition
- Power of on-air promotion as a significant competitive
advantage
Internet Broadcasters
- Not the constraining scheduled content programming
- Modular and on demand
Internet Radio status
- More than 1,500 terrestrial radio stations are streaming
their signals
- Some syndicated programs wont allow Internet
Broadcast
- For many stations, streaming produces minimal revenue
initially
- Good first step toward an integrated broadcast/webcast
- Web presence that can be tied to promotions
To Webcast or Not to Webcast
- Expand audience beyond drive time listening
- Take local brand and make it global
- Draw listeners to your site and keep them
- Create additional ad inventory with Internet only advertisement
insertions
To Webcast or Not to Webcast
- Generate e-commerce revenue
- Interact with online listeners
- Create new niche formats
- Re-purpose content you already own
Times are changing
- Revenue restriction lessened
- FCC Licenses, finite ad inventory space
- Interactive technologies allow listeners to drive programming
- Statistics
- Hits, visitors, audience size, how long each stayed,
participants, e-mail addresses, company names. Etc.
Internet Broadcasting
- Entirely new content types and formats will be enabled
because of its relatively inexpensive nature and capability to reach even
smaller communities of interest.
- What type of station?
- Available streaming servers
- Wide or narrow audience
- Extended or Set period of time