In-Vehicle Radio Performance And Technology
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In-Vehicle Radio Performance And Technology
Drivers have had a long love affair with their car audio systems. A smooth ride and even smoother tunes are an impeccable combination. Gone are the days of static and fadeout car audio systems. Today’s vehicles are being designed by techsavvy automotive engineers for HD and satellite capabilities. Advanced reception systems reduce interference and provide bestquality signals. Indeed technology is helping improve radio performance inside newmodel vehicles.
HD Radio Broadcasting
One of the most significant advancements in radio broadcasting since the introduction of FM stereo is HD radio technology which provides dramatically higherquality digital audio than its analog predecessor. Many radio stations are upgrading their broadcast technology with some offering HD2 multicast channels. According to iBiquity Digital Corporation a developer of this technology the HD radio receiver makes AM sound like FM and FM sound like CDs.
The wireless data feature enables drivers to receive information such as titles artists weather and traffic alerts by broadcasting directly to the receiver’s display screen. In addition FM HD radio stations are beginning to multicast with streaming audio and onscreen data simultaneously. For instance a station can run a channel of music and one of news or run three completely different music formats in three different languages.
HD radio technology features include:
*FM multicasting ability to broadcast multiple *Staticfree crystalclear reception
*Variety of data services including textbased information scrolled across the receiver display
*Ability to sort through reflected signals reducing static hisses pops and fades
*Digital broadcasts in the same frequencies as analog broadcasts
*Reception is free with no subscription costs
XM Satellite Radio and Sirius Satellite Radio
Whether it’s a drive to work and back or across the country and back satellite radio provides a seamless audio experience. XM Satellite Radio and Sirius Satellite Radio both launched their services at the beginning of the 21st century. Also called digital radio satellite radio features uninterrupted near CDquality music beamed to a vehicle’s radio from space. As a result users don’t drive out of a channel’s range.
Developed for vehicles compatible with both XM Satellite Radio and Sirius Satellite Radio a total satellite radio systems format features a receiver a user interface and an antenna. Receivers can be integrated into the radio or remotely located and allow channel name artist and song title to be displayed so listeners know what is playing. A wide variety of listening options include commercialfree or limitedcommercial Rock Jazz Classical News Sports and Talk stations.
Reception Systems
Delivering multifaceted reception capabilities in a small space today’s reception systems are nothing like the antenna one remembers on their grandparent’s vehicle. Offering better performance than a single antenna diversity reception systems deliver uninterrupted audio by selecting the bestquality FM signal from available antennas or combining multiple signals. With reduced multipath interference and improved fringe area reception drivers experience superior audio and visuals.
Small and selfcontained multiple antenna reception systems are designed to be integrated into the vehicle’s roof module. Systems combine AM/FM cell phone GPS and satellite reception functionality in a diminutive package. Vehicle manufacturers have the ability to choose various levels of product content and the systems are adaptable to US European and Asian frequency requirements. With a simplified vehicle assembly process and improved serviceability hidden antenna systems may be an attractive choice for manufacturers and service providers. These hidden antenna systems eliminate wind noise vibration and lost or stolen masts.
Delivering highperformance television reception in vehicles the FubaTM Mobile TV World Tuner uses patented ScanDivTM scanning diversity technology to select the best audio and video signals from the system’s antennas to provide passengers with highquality audio and inhome TV quality. Designed for global markets the multistandard receiver is compatible with NTSC PAL and SECAM signals as well as DVBT and ISDBT digital reception. Adaptable to local markets the system is also compatible with many rearseat entertainment systems.
About the writer:nbsp;nbsp;Mike Trudel Freelance Writer.Delphi Corp. is poised to apply its expertise and knowhow to provide vehicle manufacturers and consumers with invehicle entertainment and connectivity. To learn more about Delphi Corp. please visit www.Delphi.com/4Innovation or www.Delphi.com/4Connected.
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