All Topics  
Internet radio

 

   Email Print
   Bookmark   Link






 

Internet radio



 
 
Internet radio (also known as web radio, net radio, streaming radio and e-radio) is an audio broadcasting
Broadcasting

Broadcasting is distribution of Sound and/or video Signalling s which transmit programs to an audience. The audience may be the general public or a relatively large sub-audience, such as children or young adults....
 service transmitted via the Internet
Internet

The Internet is a global network of interconnected computers, enabling users to share information along multiple channels. Typically, a computer that connects to the Internet can access information from a vast array of available server and other computers by moving information from them to the computer's local memory....
. Broadcasting on the Internet is usually referred to as webcasting since it is not transmitted broadly through wireless means. Internet radio involves a streaming medium
Streaming media

Streaming media is multimedia that is constantly received by, and normally presented to, an End-user while it is being delivered by a streaming provider ....
 that presents listeners with a continuous "stream" of audio over which they have no control, much like traditional broadcast media; in this respect, it is distinct from "on-demand" file serving.






Discussion
Ask a question about 'Internet radio'
Start a new discussion about 'Internet radio'
Answer questions from other users
Full Discussion Forum



Encyclopedia


Internet radio (also known as web radio, net radio, streaming radio and e-radio) is an audio broadcasting
Broadcasting

Broadcasting is distribution of Sound and/or video Signalling s which transmit programs to an audience. The audience may be the general public or a relatively large sub-audience, such as children or young adults....
 service transmitted via the Internet
Internet

The Internet is a global network of interconnected computers, enabling users to share information along multiple channels. Typically, a computer that connects to the Internet can access information from a vast array of available server and other computers by moving information from them to the computer's local memory....
. Broadcasting on the Internet is usually referred to as webcasting since it is not transmitted broadly through wireless means. Internet radio involves a streaming medium
Streaming media

Streaming media is multimedia that is constantly received by, and normally presented to, an End-user while it is being delivered by a streaming provider ....
 that presents listeners with a continuous "stream" of audio over which they have no control, much like traditional broadcast media; in this respect, it is distinct from "on-demand" file serving. Internet radio is also distinct from podcasting, which involves downloading rather than streaming. Many Internet radio "stations" are associated with a corresponding traditional (or "terrestrial") radio
Radio

Radio is the transmission of signals, by modulation of electromagnetic radiation with frequency below those of visible light.Electromagnetic radiation radio propagation by means of oscillating electromagnetic fields that pass through the air and the vacuum of space....
 station or radio network
Radio network

A radio network is a network system which distributes radio programming to multiple radio station simultaneously, or slightly delayed, for the purpose of extending total coverage beyond the limits of a single broadcast signal....
. Internet-only radio stations are independent of such associations.

Internet radio services are usually accessible from anywhere in the world—for example, one could listen to an Australia
Australia

Australia, officially the Commonwealth of Australia, is a country in the southern hemisphere comprising the Australia of the world's smallest continent, the major island of Tasmania, and numerous list of islands of Australia in the Indian Ocean and Pacific Oceans....
n station from Europe
Europe

Europe is, conventionally, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally divided from Asia to its east by the water divide of the Ural Mountains, the Ural , the Caspian Sea, and by the Caucasus Mountains to the southeast....
 or America. Some major networks like Clear Channel in the US and Chrysalis in the UK restrict listening to in country because of music licensing and advertising concerns. Internet radio remains popular among expatriate
Expatriate

An expatriate is a person temporarily or permanently Residency in a country and culture other than that of the person's upbringing or legal residence....
s and listeners with interests that are often not adequately served by local radio stations (such as progressive rock
Progressive rock

Progressive rock is a form of rock music that evolved in the late 1960s and early 1970s as part of a "mostly British attempt to elevate rock music to new levels of artistic credibility." The term "art rock" is often used interchangeably with "progressive rock", but while there are crossovers between the two genres, they are not identical....
, ambient music
Ambient music

Ambient music is a musical genre that focuses on the timbre characteristics of sounds, particularly organised or performed to evoke an "atmospheric", "visual" or "unobtrusive" quality....
, folk music
Folk music

Folk music can have a number of different meanings, including:* Traditional music: The original meaning of the term "folk music" was synonymous with the term "Traditional music", also often including World Music and Roots music; the term "Traditional music" was given its more specific meaning to distinguish it from the other definition...
, classical music
Classical music

Classical music is a broad term that usually refers to mainstream music produced in, or rooted in the traditions of Western art history Religious music and secular music, encompassing a broad period from roughly the 9th century to present times....
, and stand-up comedy
Stand-up comedy

Stand-up comedy is a style of comedy where the performer speaks directly to the audience, with the absence of the theatrical "fourth wall". A person who performs stand-up comedy is known as a stand-up comic, stand-up comedian or more informally stand up....
). Internet radio services offer news, sports, talk, and various genres of music—every format that is available on traditional radio stations.

Internet radio technology


Streaming

The most common way to distribute Internet radio is via streaming
Streaming media

Streaming media is multimedia that is constantly received by, and normally presented to, an End-user while it is being delivered by a streaming provider ....
 technology using a lossy
Lossy data compression

A lossy compression method is one where data compression and then decompressing it retrieves data that may well be different from the original, but is close enough to be useful in some way....
 audio codec
Audio codec

An audio codec is a hardware device or a computer program that data compression digital audio data according to a given audio file format or streaming media....
. Popular streaming audio formats include MP3
MP3

MPEG-1 Audio Layer 3, more commonly referred to as MP3, is a digital audio Encoder format using a form of lossy data compression. It is a common audio format for consumer audio storage, as well as a de facto standard encoding for the transfer and playback of music on digital audio players....
, Ogg Vorbis
Vorbis

Vorbis is a free software and open source software, Lossy compression audio codec project headed by the Xiph.Org Foundation and intended to serve as a replacement for MP3....
, Windows Media Audio
Windows Media Audio

Windows Media Audio is an audio data compression technology developed by Microsoft. The name can be used to refer to its audio file format or its audio codecs....
, RealAudio
RealAudio

RealAudio is a Proprietary format audio format developed by RealNetworks. It uses a variety of audio codecs, ranging from low-bitrate formats that can be used over dialup modems, to high-fidelity formats for music....
 and HE-AAC
HE-AAC

High-Efficiency Advanced Audio Coding is a lossy data compression scheme for digital audio. It is an extension of Low Complexity Advanced Audio Coding optimized for low-bitrate applications such as streaming audio....
 (sometimes called aacPlus). The bit
Bit

A bit is a binary numeral system numerical digit, taking a value of either 0 or 1. Binary digits are a basic unit of information Computer data storage and transmission in digital computing and digital information theory....
s are "streamed" (transported) over the network in TCP
Transmission Control Protocol

The Transmission Control Protocol is one of the core protocols of the Internet Protocol Suite. TCP is so central that the entire suite is often referred to as "TCP/IP"....
 or UDP
User Datagram Protocol

The User Datagram Protocol is one of the core members of the Internet Protocol Suite, the set of network protocols used for the Internet. With UDP, computer applications can send messages, sometimes known as datagram, to other hosts on an Internet Protocol network without requiring prior communications to set up special transmission cha...
 packets, then reassembled and played within seconds. (The delay is referred to as lag
Lag

In computing and especially computer networks, lag is a term used where the computer freezes and then continues some time later when an action is performed, for example clicking a mouse button....
 time.)

History


Early history

In 1993, Carl Malamud
Carl Malamud

Carl Malamud is a technologist, author, and public domain advocate, currently known for his foundation public.resource.org. He was the founder of the Internet Multicasting Service....
 launched Internet Talk Radio which was the "first computer-radio talk show, each week interviewing a computer expert." This was Internet radio only insofar as it was conceptually a radio show on the Internet. As late as 1995, Internet Talk Radio was not available via multicast
Multicast

Multicast is a Computer networking addressing method for the delivery of information to a group of destinations simultaneously using the most efficient strategy to deliver the messages over each link of the network only once, creating copies only when the links to the multiple destinations split....
 streaming; it was distributed "as audio files that computer users fetch one by one." However Malamud was among the foremost proponents of multicasting technology. In late 1994, his Internet Multicasting Service was set to launch RTFM, a multicast Internet radio news station. In January 1995, RTFM's news programming was expanded to include "live audio feeds from the House and Senate floors."

A November 1994 Rolling Stones concert was the "first major cyberspace multicast concert." Mick Jagger opened the concert by saying, "I wanna say a special welcome to everyone that's, uh, climbed into the Internet tonight and, uh, has got into the M-bone. And I hope it doesn't all collapse."

On November 7, 1994, WXYC
WXYC

WXYC is a radio station broadcasting a college radio format. Licensed to Chapel Hill, North Carolina, USA, the station is run by students of the University of North Carolina at Chapel Hill....
 (89.3 FM
Frequency modulation

In telecommunications, frequency modulation conveys information over a carrier wave by varying its frequency . In analog signal applications, the instantaneous frequency of the carrier is directly proportional to the instantaneous value of the input signal....
 Chapel Hill
Chapel Hill, North Carolina

Chapel Hill is a town in Orange County, North Carolina, North Carolina, United States and the home of the University of North Carolina at Chapel Hill , the oldest state-supported university in the U.S....
, NC
North Carolina

North Carolina is a U.S. state located on the Atlantic Seaboard in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north....
 USA
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
) became the first traditional radio station to announce broadcasting on the Internet. WXYC used an FM radio connected to a system at SunSite, later known as Ibiblio
Ibiblio

ibiblio is a "collection of collections," and hosts a diverse range of publicly available information and open source software, including software, music, literature, art, history, science, politics, and cultural studies....
, running Cornell's CU-SeeMe
CU-SeeMe

CU-SeeMe is an Internet video-conferencing client. CU-SeeMe can make point to point video calls without a server or make multi-point calls through server software first called a "reflector" and later called a "conference server" or MCU....
 software. WXYC had begun test broadcasts and bandwidth testing as early as August, 1994. WREK
WREK

WREK is the List of radio stations in Georgia staffed by the students of the Georgia Institute of Technology. It is located at 91.1 Megahertz and on channel 17 on the Georgia Tech cable TV network, GTCN....
 (91.1 FM, Atlanta, GA
Georgia (U.S. state)

Georgia is a U.S. state in the United States and was one of the original Thirteen Colonies that revolted against United Kingdom rule in the American Revolution....
 USA) started streaming on the same day using their own custom software called CyberRadio1. However, unlike WXYC, this was WREK's beta launch and the stream was not advertised until a later date.

In 1995, Progressive Networks released RealAudio as a free download. Time magazine said that RealAudio took "advantage of the latest advances in digital compression" and delivered "AM radio-quality sound in so-called real time." Eventually, "companies such as Nullsoft...and Microsoft" released streaming audio players "as free downloads". As the software audio players became available, "many Web-based radio stations began springing up."

Internet radio attracted significant media and investor attention in the late 1990s. In 1998, the initial public stock offering for Broadcast.com
Broadcast.com

Broadcast.com was a web radio company founded as "AudioNet" in September 1995 by Chris Jaeb. Todd Wagner and Mark Cuban later led the organization to hugely capitalize on the dot-com bubble and be sold to Yahoo.com....
 set a record at the time for the largest jump in price in stock offerings in the United States. The offering price was US$18 and the company's shares opened at US$68 on the first day of trading. The company was losing money at the time and indicated in a prospectus filed with the Securities Exchange Commission that they expected the losses to continue indefinitely. Yahoo! purchased Broadcast.com on July 20, 1999 for US$5.7 billion.

US royalty controversy

In October 1998, the US Congress passed the Digital Millennium Copyright Act
Digital Millennium Copyright Act

The Digital Millennium Copyright Act is a United States copyright law that implements two 1996 treaties of the World Intellectual Property Organization ....
 (DMCA). One result of the DMCA is that performance royalties are to be paid for satellite radio
Satellite radio

A satellite radio or subscription radio is a digital radio signal that is broadcast by a communications satellite, which covers a much wider geographical range than terrestrial radio signals....
 and Internet radio broadcasts in addition to publishing royalties. In contrast, traditional radio broadcasters pay only publishing royalties and no performance royalties.

A rancorous dispute ensued over how performance royalties should be assessed for Internet broadcasters. Some observers said that royalty rates that were being proposed were overly burdensome and intended to disadvantage independent Internet-only stations—that "while Internet giants like AOL may be able to afford the new rates, many smaller Internet radio stations will have to shut down." The Digital Media Association (DiMA) said that even large companies, like Yahoo! Music, might fail due to the proposed rates. Some observers said that some U.S.-based Internet broadcasts might be moved to foreign jurisdictions where US royalties do not apply.

Many of these critics organized SaveNetRadio.org, "a coalition of listeners, artists, labels and webcasters" that opposed the proposed royalty rates. To focus attention on the consequences of the impending rate hike, many US Internet broadcasters participated in a "Day of Silence" on June 26, 2007. On that day, they shut off their audio streams or streamed ambient sound, sometimes interspersed with brief public service announcement
Public service announcement

A public service announcement or community service announcement is a non-commercial advertising broadcast on radio or television, ostensibly for the public interest....
s. Notable participants included Rhapsody
Rhapsody (online music service)

Rhapsody is an online music store run by RealNetworks. Launched in December 2001, Rhapsody was the first music service to offer streaming on-demand access to nearly its entire library of digital music....
, Live365
Live365

Live365 is an Internet radio network where members can create their own online radio station or listen to other Live365 broadcasters' online stations....
, MTV
MTV

MTV is an United States cable television network based in Media of New York City. Launched on August 1, 1981, the original purpose of the channel was to play music videos guided by on-air hosts known as VJ ....
, Pandora
Pandora (music service)

Pandora is an automated recommender system and Internet radio service created by the Music Genome Project. Users enter a song or artist that they enjoy, and the service responds by playing selections that are musically similar....
, and SHOUTcast
SHOUTcast

SHOUTcast is a server for streaming media developed by Nullsoft. It allows digital audio content, primarily in MP3 or HE-AAC format, to be broadcast to and from media player software, enabling hobbyists and professionals to create Internet radio networks....
. Some others that did not participate, like Last.FM
Last.fm

Last.fm is a United Kingdom-based Internet radio and music community website, founded in 2002. It claims over 21 million active users based in more than 200 countries....
, stated that they did not want to punish their listeners for the station's problems.

SoundExchange, representing supporters of the increase in royalty rates, pointed out the fact that the rates were flat from 1998 through 2005 (see above), without even being increased to reflect cost-of-living increases. They also point to the fact that CBS recently purchased Last.FM for 280 million dollars, and if internet radio is to build businesses from the product of recordings, the performers and owners of those recordings should receive fair compensation. Opponents argued that the purchase price paid for Last.FM reflected that it was primarily a social network service
Social network service

A social network service focuses on building online communities of people who share interests and/or activities, or who are interested in exploring the interests and activities of others....
 that included a radio service.

On May 1, 2007, SoundExchange
SoundExchange

SoundExchange is a non-profit performance rights organization that collects royalties on the behalf of sound recording copyright owners and featured artists for non-interactive digital transmissions, including satellite radio and Internet radio....
 came to an agreement with certain large webcasters regarding the minimum fees that were modified by the determination of the Copyright Royalty Board. While the CRB decision imposed a $500 per station or channel minimum fee for all webcasters, certain webcasters represented through DiMA negotiated a $50,000 "cap" on those fees with SoundExchange. However, DiMA and SoundExchange continue to negotiate over the per song, per listener fees.

SoundExchange has also offered alternative rates and terms to certain eligible small webcasters, that allows them to calculate their royalties as a percentage of their revenue or expenses, instead of at a per performance rate. To be eligible, a webcaster had to have revenues of less than $1.25 million dollars a year and stream less than 5 million "listener hours" a month (or an average of 6830 concurrent listeners). These restrictions would disqualify independent webcasters like AccuRadio, DI.FM, Club977 and others from participating in the offer, and therefore many small commercial webcasters continue to negotiate a settlement with SoundExchange.

An August 16, 2008 Washington Post article reported that although Pandora was "one of the nation's most popular Web radio services, with about 1 million listeners daily...the burgeoning company may be on the verge of collapse" due to the structuring of performance royalty payment for webcasters. "Traditional radio, by contrast, pays no such fee. Satellite radio pays a fee but at a less onerous rate, at least by some measures." The article indicated that "other Web radio outfits" may be "doom[ed]" for the same reasons.

On September 30, 2008, the United States Congress
United States Congress

The United States Congress is the Bicameralism legislature of the Federal government of the United States of the United States of America, consisting of two houses, the United States Senate and the United States House of Representatives....
 passed "a bill that would put into effect any changes to the royalty rate to which [record labels and web casters] agree while lawmakers are out of session." Although royalty rates are expected to decrease, many webcasters nevertheless predict difficulties generating sufficient revenue to cover their royalty payments.

In January 2009, the US Copyright Royalty Board announced that "it will apply royalties to streaming net services based on revenue."

Popularity

In 2003, revenue from "online streaming music radio" was US$49 million. By 2006, that figure rose to US$500 million.

A February 21, 2007 "survey of 3,000 Americans released by consultancy Bridge Ratings & Research" found that "[a]s much as 19% of U.S. consumers 12 and older listen to Web-based radio stations." In other words, there were "some 57 million weekly listeners of Internet radio programs. More people listen to online radio than to satellite radio, high-definition radio, podcasts, or cell-phone-based radio combined."

An April 2008 survey showed that, in the US, more than one in seven persons aged 25-54 years old listen to online radio each week. In 2008, 13 percent of the American population listened to the radio online, compared with 11 percent in 2007.

See also


  • Comparison of streaming media systems
    Comparison of streaming media systems

    GeneralThe following tables compare general and technical information for a number of streaming media systems both audio and video. Please see the individual systems' articles for further information....
  • Community radio
    Community radio

    Community radio is a type of radio service that caters to the interests of a certain area, broadcasting material that is popular to a local audience but is overlooked by more powerful broadcast groups....
  • Electronic commerce
    Electronic commerce

    Electronic commerce, commonly known as e-commerce or eCommerce, consists of the buying and selling of product s or Service s over electronic systems such as the Internet and other computer networks....
  • Internet Radio Audience Measurement
    Internet Radio Audience Measurement

    Internet radio audience measurement is any method used to determine the number of people listening to an List of Internet stations broadcast. This information is usually obtained from the broadcaster's audio streaming server....
  • Internet radio device
    Internet radio device

    An Internet radio device or network music player is a hardware device that autonomously receives and plays audio from Internet radio stations....
  • Internet television
    Internet television

    Internet television is television service distributed via the Internet....
  • Internet stations, list
    List of Internet stations

    This is a list of Wikipedia articles on Internet streaming media resources....


  • Radio music ripping
    Radio music ripping

    The term ripping can also apply to radio. New software and techniques now makes it possible to extract the songs played on the radio and digitally save them on separate audio tracks....
  • Simulcast
    Simulcast

    Simulcast is a portmanteau of "simultaneous broadcast", and refers to programs or events Broadcasting across more than one Mass media, or more than one service on the same medium, at the same time....
  • streaming media systems, list
    List of streaming media systems

    This is a list of streaming media systems with articles* Broadwave Allows you to create your own broadcast from pre-recorded or live audio* Campcaster Open source radio station management, live broadcast and remote automation...
  • Streamium
    Streamium

    Streamium is a line of IP-enabled entertainment products by Dutch electronics multi-national Philips Consumer Electronics. Streamium products allow users to consume digital entertainment and multimedia content --whether stored on their desktop computers or delivered through Internet-based services-- on their home cinema and/or audio sets....
     for a history of Philips' Internet radio capable CE-devices

Further reading

  • (2006)