logging in or signing up STELLITE RADIO meetujain Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 3730 Category: Education License: All Rights Reserved Like it (11) Dislike it (1) Added: April 11, 2010 This Presentation is Public Favorites: 2 Presentation Description No description available. Comments Posting comment... By: sheshu123t (2 month(s) ago) please send this ppt to my mail Saving..... Post Reply Close Saving..... Edit Comment Close By: GovardhanMCA (3 month(s) ago) plz send me MICROSOFT surface ppt Saving..... Post Reply Close Saving..... Edit Comment Close By: GovardhanMCA (3 month(s) ago) pls senfd me penpc Saving..... Post Reply Close Saving..... Edit Comment Close By: anameeka (3 month(s) ago) sir plz send this ppt on my email account,,, borkar.anameeka1@gmail.com Saving..... Post Reply Close Saving..... Edit Comment Close By: whizkidin (9 month(s) ago) A good comparision of Satellite Radio Companies. One of them is now Ex and other two are merged. So basically now only one of them exists. Saving..... Post Reply Close Saving..... Edit Comment Close loading.... See all Premium member Presentation Transcript Slide 1: SATELLITE RADIO Slide 2: CONTENTS DEFINITION RADIO COMPANIES RADIO VS SATELLITE RADIO PROS & CONS CONCLUSION Slide 3: A satellite radio or subscription radio (SR) is a digital radio signal that is broadcast by a communications satellite, which covers a much wider geographical range than terrestrial radio signals..Radio services are usually provided by commercial ventures and are subscription-based. Providers usually carry a variety of news, weather, sports, and music channels, with the music channels generally being commercial-free. Satellite radio is often regarded as one of the biggest improvements in broadcasting since the introduction of the FM band. SATELLITE RADIO Slide 4: The history of satellite radio dates back to 1992. Till around this time, radio services were provided by commercial ventures. They were largely subscription-based and subject to the clarity permitted by proprietary signals and specialized hardware. Most earlier providers of radio frequencies did cover news and weather updates, reports from the world of sports and music as well as stock market readings. However, most of the time broadcasts were subject to weather conditions and proximity to structural obstructions. But, all this changed with the advent and commercial use of the satellite radio. The use of orbiting satellites to refine sound quality and frequencies slowly replaced the redundant Digital Audio Broadcasting and HD Radio. HISTORY Slide 5: Satellite radio uses the 2.3 GHz S band in North America and generally shares the 1.4 GHz L band with local Digital Audio Broadcasting (DAB) stations. Two or three are usually sufficient to provide coverage for an entire continent. Local repeaters enable signals to be available even if the view of the satellite is blocked. Major tunnels can also have repeaters. Each receiver has an Electronic Serial Number (ESN) Radio ID to identify it. Satellite radio also transmits program-associated data, with the artist and title of each song and possibly the name of the channel. SYSTEM DESIGN Slide 6: The 1worldspace digital satellite signal means no fading, noise or interference. The system delivers high quality digital sound in a coverage area of 14 million square kilometers. 1worldspace uses its two satellites, AfriStar and AsiaStar, Each satellite has three beams and each beam is able to send up to 80 channels directly to portable satellite radios. No other option provides the variety of programming that 1worldspace offers. Also, each 1worldspace satellite radio is equipped with a data port that transforms it into a wireless modem able to download data to personal computers at rates of up to 128kbps. Thus, the 1worldspace satellite radio can also broadcast multimedia content. 1worldspace Slide 7: WorldSpace Corporation was founded in 1990 by Noah A. Samara, Chairman and CEO. He founded the company with a vision to provide digital satellite audio, data, and multimedia services primarily to the emerging markets of Africa and Asia. To implement this vision, WorldSpace conceived and built the first ever satellite radio infrastructure in the world. In the past 12 years the company has built three satellites and launched two to provide audio, data, and multimedia broadcasting coverage to Africa, Asia, The Middle East .WorldSpace created the initial proprietary technology and programming infrastructure that both WorldSpace Satellite Radio and XM Satellite Radio HISTORY Slide 8: The 1worldspace system comprises three major components: the space segment, the ground segment, and the user segment. The space segment refers to the company-owned satellites that broadcast the signals over a large percentage of the eastern hemisphere. The ground segment refers to the operating and broadcasting centers. The user segment refers to the user-owned devices in which the signal is received. Space segment 1worldspace operates a family of satellites known as Afristar. This family includes two geostationary orbit satellites, one currently in outer space and a second not yet launched. Ground segment Back on the ground, each satellite is supported by three major components: the Regional Operations Center (ROC); Telemetry, Command and Ranging (TCR) Stations; and Communications System Monitoring (CSM) Stations. Each component plays a major role in ensuring the best possible digital signal is received throughout the 1worldspace System. 1worldspace SYSTEM Slide 9: User Segment Users must purchase a receiver compatible with the L-Band frequency in order to access the system. The radio receiver processes, decodes and descrambles the signals to allow users to receive programming content. Each receiver is individually addressable via a unique identifier that can be used to unlock specially coded audio or multimedia signals. This capability provides the flexibility to deliver free, subscription or premium services to consumers. Slide 10: Sirius Satellite Radio is a satellite radio (SDARS) service operating in the United States and Canada, owned by Sirius XM Radio. Music streams on Sirius carry a wide variety of genres, broadcasting 24 hours daily, commercial-free, and uncensored. Sirius channels are identified by Arbitron with the label "SR“. The name is derived from Sirius, sometimes referred to as the Dog Star, the brightest star in the night-time sky, and was developed by the company's founder David Margolese. SIRIUS Slide 11: The Sirius signal is separated into three carriers, one each for the two satellites, and the third for the terrestrial repeater network where available. Sirius receivers decode all three 4 GHz carrier signals at once to achieve signal diversity. Receiver technology At the heart of a Sirius receiver is a custom application specific integrated circuit (ASIC) chip called the Baseband Integrated Circuit, which is produced by STMicroelectronics. Every baseband has a unique Electronic Serial Number (or Sirius ID). Another major section of a Sirius receiver is the tuner. The tuner is also a custom ASIC. The tuner connects to the antenna, and receives the incoming satellite and terrestrial signals at 2.315 GHz and down converts them to intermediate frequency signals at around 75 MHz. TECHNOLOGY Slide 12: Satellite Technology Sirius' satellites are named Radiosat launched by Sweden. Currently, its three satellites fly in geosynchronous highly elliptical orbit in a 24-hour orbital period. The elliptical path of its satellite constellation ensures that each satellite spends about 16 hours a day over the continental United States, with at least one satellite over the country at all times. The orbit allows the satellites to broadcast from directly overhead the continental United States, avoiding the problem of large buildings or objects blocking the signal and requiring a much smaller terrestrial repeater network than does network XM. Slide 13: XM Satellite Radio (XM) is one of two satellite radio (SDARS) services in the United States and Canada, operated by Sirius XM Radio. It provides pay-for-service radio, analogous to cable television. Its service includes 73 different music channels, 39 news, sports, talk and entertainment channels, 21 regional traffic and weather channels and 23 play-by-play sports channels. . The channels originate from XM's broadcast center, the world's largest all-digital studio complex in Washington, DC. These satellites transmit the signal across the entire continental United States. Each satellite provides 18kw of total power making them the two most powerful commercial satellites ever built, providing coast-to-coast coverage. XM SATELLITE RADIO Slide 14: TECHNOLOGY XM provides digital programming directly from two high-powered satellites in geostationary orbit above the equator in addition to a network of ground-based repeaters. The combination of two satellites and a ground-based repeater network is designed to provide gap-free coverage anywhere within the contiguous U.S., the southern tip of Alaska, and in the southern part of Canada. The XM radio signal is broadcast on 6 separate radio carriers within the 12.5 MHz allocation. The data on each carrier is encoded using time-delayed and error-correction schemes to enhance availability. Effectively the total radio spectrum used for content is a little over 4 MHz. Slide 15: RADIO VS SATELLITE RADIO Cost: AM and FM (terrestrial) radio are both free of charge, so long as you have a radio. You simply turn the radio on and tune it. Satellite radio, on the other hand, requires a monthly subscription fee that varies, depending on which service you choose and how many stations you want to receive. This cost difference is probably the biggest advantage terrestrial radio has over satellite radio. Programming: The biggest advantage satellite radio has is the extent of its content. When you simply turn on your AM/FM stereo, your entertainment options are restricted to the stations you can receive. With fewer choices, you may be stuck with an insufficient number of options. Satellite radio, on the other hand, features more than 200 channels that are narrowly focused to all kinds of interests. Slide 16: Reception: Depending on your location, you may only be able to receive a couple dozen stations when listening to terrestrial radio. Satellite radio delivers good reception practically anywhere in the United States and Canada. You can drive from New York to Los Angeles and never change the station once. Portability: At the moment, AM and FM radio have a big advantage over satellite radio: It is very easy to switch on your portable radio and listen to some tunes or a talk show. Reception of satellite radio requires a much more complicated antenna, so portable satellite radio units cost far more than portable terrestrial radios. Slide 17: Freedom of Expression: The Federal Communications Commission regulates the content of terrestrial-based broadcasts, which is why you do not hear naughty words on broadcast TV or radio. Satellite radio, however, is free to broadcast whatever it likes, giving adults the opportunity to enjoy mature content. Although some could say that hearing objectionable words on the radio is a bad thing, the satellite-radio listener has the freedom to change or block the channels he does not like. Slide 18: PROS & CONS PROS One of the great advantages of satellite radio is the fact that the programs are not interrupted by commercials. Another great thing about satellite radio is the absence of static. Satellite radio tuners receive, along with the actual radio programs, an influx of metadata that consists of information regarding song title, artist, radio program and radio channel. All satellite radio programs are uncensored. Slide 19: CONS Subscription Fee. Receiver Purchase Signal Interruptions Signal Limitations Non-Local Mature Content Slide 20: CONCLUSION We think you’ll fall in love with the entertainment variety you will find in satellite radio. Never has radio been this diverse, in terms of music, the entertainment you enjoy and the sports coverage you get. The coast-to-coast coverage area also makes it an indispensable part of any long road trip you take, especially when you consider that there are channels that do nothing but continuously update traffic and weather conditions in certain cities around the country. And, of course, never having your music interrupted by commercials is awfully nice. Slide 21: Any Questions?? 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STELLITE RADIO meetujain Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 3730 Category: Education License: All Rights Reserved Like it (11) Dislike it (1) Added: April 11, 2010 This Presentation is Public Favorites: 2 Presentation Description No description available. Comments Posting comment... By: sheshu123t (2 month(s) ago) please send this ppt to my mail Saving..... Post Reply Close Saving..... Edit Comment Close By: GovardhanMCA (3 month(s) ago) plz send me MICROSOFT surface ppt Saving..... Post Reply Close Saving..... Edit Comment Close By: GovardhanMCA (3 month(s) ago) pls senfd me penpc Saving..... Post Reply Close Saving..... Edit Comment Close By: anameeka (3 month(s) ago) sir plz send this ppt on my email account,,, borkar.anameeka1@gmail.com Saving..... Post Reply Close Saving..... Edit Comment Close By: whizkidin (9 month(s) ago) A good comparision of Satellite Radio Companies. One of them is now Ex and other two are merged. So basically now only one of them exists. Saving..... Post Reply Close Saving..... Edit Comment Close loading.... See all Premium member Presentation Transcript Slide 1: SATELLITE RADIO Slide 2: CONTENTS DEFINITION RADIO COMPANIES RADIO VS SATELLITE RADIO PROS & CONS CONCLUSION Slide 3: A satellite radio or subscription radio (SR) is a digital radio signal that is broadcast by a communications satellite, which covers a much wider geographical range than terrestrial radio signals..Radio services are usually provided by commercial ventures and are subscription-based. Providers usually carry a variety of news, weather, sports, and music channels, with the music channels generally being commercial-free. Satellite radio is often regarded as one of the biggest improvements in broadcasting since the introduction of the FM band. SATELLITE RADIO Slide 4: The history of satellite radio dates back to 1992. Till around this time, radio services were provided by commercial ventures. They were largely subscription-based and subject to the clarity permitted by proprietary signals and specialized hardware. Most earlier providers of radio frequencies did cover news and weather updates, reports from the world of sports and music as well as stock market readings. However, most of the time broadcasts were subject to weather conditions and proximity to structural obstructions. But, all this changed with the advent and commercial use of the satellite radio. The use of orbiting satellites to refine sound quality and frequencies slowly replaced the redundant Digital Audio Broadcasting and HD Radio. HISTORY Slide 5: Satellite radio uses the 2.3 GHz S band in North America and generally shares the 1.4 GHz L band with local Digital Audio Broadcasting (DAB) stations. Two or three are usually sufficient to provide coverage for an entire continent. Local repeaters enable signals to be available even if the view of the satellite is blocked. Major tunnels can also have repeaters. Each receiver has an Electronic Serial Number (ESN) Radio ID to identify it. Satellite radio also transmits program-associated data, with the artist and title of each song and possibly the name of the channel. SYSTEM DESIGN Slide 6: The 1worldspace digital satellite signal means no fading, noise or interference. The system delivers high quality digital sound in a coverage area of 14 million square kilometers. 1worldspace uses its two satellites, AfriStar and AsiaStar, Each satellite has three beams and each beam is able to send up to 80 channels directly to portable satellite radios. No other option provides the variety of programming that 1worldspace offers. Also, each 1worldspace satellite radio is equipped with a data port that transforms it into a wireless modem able to download data to personal computers at rates of up to 128kbps. Thus, the 1worldspace satellite radio can also broadcast multimedia content. 1worldspace Slide 7: WorldSpace Corporation was founded in 1990 by Noah A. Samara, Chairman and CEO. He founded the company with a vision to provide digital satellite audio, data, and multimedia services primarily to the emerging markets of Africa and Asia. To implement this vision, WorldSpace conceived and built the first ever satellite radio infrastructure in the world. In the past 12 years the company has built three satellites and launched two to provide audio, data, and multimedia broadcasting coverage to Africa, Asia, The Middle East .WorldSpace created the initial proprietary technology and programming infrastructure that both WorldSpace Satellite Radio and XM Satellite Radio HISTORY Slide 8: The 1worldspace system comprises three major components: the space segment, the ground segment, and the user segment. The space segment refers to the company-owned satellites that broadcast the signals over a large percentage of the eastern hemisphere. The ground segment refers to the operating and broadcasting centers. The user segment refers to the user-owned devices in which the signal is received. Space segment 1worldspace operates a family of satellites known as Afristar. This family includes two geostationary orbit satellites, one currently in outer space and a second not yet launched. Ground segment Back on the ground, each satellite is supported by three major components: the Regional Operations Center (ROC); Telemetry, Command and Ranging (TCR) Stations; and Communications System Monitoring (CSM) Stations. Each component plays a major role in ensuring the best possible digital signal is received throughout the 1worldspace System. 1worldspace SYSTEM Slide 9: User Segment Users must purchase a receiver compatible with the L-Band frequency in order to access the system. The radio receiver processes, decodes and descrambles the signals to allow users to receive programming content. Each receiver is individually addressable via a unique identifier that can be used to unlock specially coded audio or multimedia signals. This capability provides the flexibility to deliver free, subscription or premium services to consumers. Slide 10: Sirius Satellite Radio is a satellite radio (SDARS) service operating in the United States and Canada, owned by Sirius XM Radio. Music streams on Sirius carry a wide variety of genres, broadcasting 24 hours daily, commercial-free, and uncensored. Sirius channels are identified by Arbitron with the label "SR“. The name is derived from Sirius, sometimes referred to as the Dog Star, the brightest star in the night-time sky, and was developed by the company's founder David Margolese. SIRIUS Slide 11: The Sirius signal is separated into three carriers, one each for the two satellites, and the third for the terrestrial repeater network where available. Sirius receivers decode all three 4 GHz carrier signals at once to achieve signal diversity. Receiver technology At the heart of a Sirius receiver is a custom application specific integrated circuit (ASIC) chip called the Baseband Integrated Circuit, which is produced by STMicroelectronics. Every baseband has a unique Electronic Serial Number (or Sirius ID). Another major section of a Sirius receiver is the tuner. The tuner is also a custom ASIC. The tuner connects to the antenna, and receives the incoming satellite and terrestrial signals at 2.315 GHz and down converts them to intermediate frequency signals at around 75 MHz. TECHNOLOGY Slide 12: Satellite Technology Sirius' satellites are named Radiosat launched by Sweden. Currently, its three satellites fly in geosynchronous highly elliptical orbit in a 24-hour orbital period. The elliptical path of its satellite constellation ensures that each satellite spends about 16 hours a day over the continental United States, with at least one satellite over the country at all times. The orbit allows the satellites to broadcast from directly overhead the continental United States, avoiding the problem of large buildings or objects blocking the signal and requiring a much smaller terrestrial repeater network than does network XM. Slide 13: XM Satellite Radio (XM) is one of two satellite radio (SDARS) services in the United States and Canada, operated by Sirius XM Radio. It provides pay-for-service radio, analogous to cable television. Its service includes 73 different music channels, 39 news, sports, talk and entertainment channels, 21 regional traffic and weather channels and 23 play-by-play sports channels. . The channels originate from XM's broadcast center, the world's largest all-digital studio complex in Washington, DC. These satellites transmit the signal across the entire continental United States. Each satellite provides 18kw of total power making them the two most powerful commercial satellites ever built, providing coast-to-coast coverage. XM SATELLITE RADIO Slide 14: TECHNOLOGY XM provides digital programming directly from two high-powered satellites in geostationary orbit above the equator in addition to a network of ground-based repeaters. The combination of two satellites and a ground-based repeater network is designed to provide gap-free coverage anywhere within the contiguous U.S., the southern tip of Alaska, and in the southern part of Canada. The XM radio signal is broadcast on 6 separate radio carriers within the 12.5 MHz allocation. The data on each carrier is encoded using time-delayed and error-correction schemes to enhance availability. Effectively the total radio spectrum used for content is a little over 4 MHz. Slide 15: RADIO VS SATELLITE RADIO Cost: AM and FM (terrestrial) radio are both free of charge, so long as you have a radio. You simply turn the radio on and tune it. Satellite radio, on the other hand, requires a monthly subscription fee that varies, depending on which service you choose and how many stations you want to receive. This cost difference is probably the biggest advantage terrestrial radio has over satellite radio. Programming: The biggest advantage satellite radio has is the extent of its content. When you simply turn on your AM/FM stereo, your entertainment options are restricted to the stations you can receive. With fewer choices, you may be stuck with an insufficient number of options. Satellite radio, on the other hand, features more than 200 channels that are narrowly focused to all kinds of interests. Slide 16: Reception: Depending on your location, you may only be able to receive a couple dozen stations when listening to terrestrial radio. Satellite radio delivers good reception practically anywhere in the United States and Canada. You can drive from New York to Los Angeles and never change the station once. Portability: At the moment, AM and FM radio have a big advantage over satellite radio: It is very easy to switch on your portable radio and listen to some tunes or a talk show. Reception of satellite radio requires a much more complicated antenna, so portable satellite radio units cost far more than portable terrestrial radios. Slide 17: Freedom of Expression: The Federal Communications Commission regulates the content of terrestrial-based broadcasts, which is why you do not hear naughty words on broadcast TV or radio. Satellite radio, however, is free to broadcast whatever it likes, giving adults the opportunity to enjoy mature content. Although some could say that hearing objectionable words on the radio is a bad thing, the satellite-radio listener has the freedom to change or block the channels he does not like. Slide 18: PROS & CONS PROS One of the great advantages of satellite radio is the fact that the programs are not interrupted by commercials. Another great thing about satellite radio is the absence of static. Satellite radio tuners receive, along with the actual radio programs, an influx of metadata that consists of information regarding song title, artist, radio program and radio channel. All satellite radio programs are uncensored. Slide 19: CONS Subscription Fee. Receiver Purchase Signal Interruptions Signal Limitations Non-Local Mature Content Slide 20: CONCLUSION We think you’ll fall in love with the entertainment variety you will find in satellite radio. Never has radio been this diverse, in terms of music, the entertainment you enjoy and the sports coverage you get. The coast-to-coast coverage area also makes it an indispensable part of any long road trip you take, especially when you consider that there are channels that do nothing but continuously update traffic and weather conditions in certain cities around the country. And, of course, never having your music interrupted by commercials is awfully nice. Slide 21: Any Questions??