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TMS320C55X Drives the Future Of Internet Audio Players
The first portable Internet audio players were introduced only a year and a half ago, and already second-generation players have hit the street. TI's industry-leading programmable low-power TMS320C5000„ platform of digital signal processors (DSPs) enable this exciting new market because they can be upgraded to support any audio format and the ultra-low power dissipation extends battery life for significantly longer playback time.
Today, TI TMS320C5410? DSPs power more Internet audio players than any other chip, 30 to date, including the RCA Lyra and players from Sanyo, e.Digital, Kobelco and IJAM. The ultra power-efficient TMS320C55x? DSP core marks another milestone in Internet audio player development, with 10 times longer playback time on one set of AA batteries and more player features such as playback of music videos, news broadcasts and TV shows.
More Battery Life. No Extra Charge.
The C55x core will be the heart of the industry's most power-efficient DSPs. Internet audio players using TI DSP can reap a tenfold increase in operating time -- even over players using its predecessor, TI's C54x DSP, the current industry MIPS-per-watt leader. Depending on the player, two AA batteries will operate C55x-powered players for up to 200 hours, compared with up to 20 hours on today's players.
The primary focus of the C5000 DSP platform is to minimize power consumption, while maintaining or increasing performance. The result is a device that delivers the most channels per MIPS, per watt of consumed power, and per square inch of board space of any DSP.
Audio Standards En Masse
The current storm of Internet audio standards can create confusion among consumers. Since the first MP3 audio files were placed on the Internet a few years ago, interest in what many call the future of music distribution has grown exponentially, as has the number of competing music formats - MP3, RealSystem G2©, Dolby© Digital, EPAC?, Windows Media Audio©, QDesign Music? and more.
Fortunately, consumers won't have to sort out the formats, thanks to TI's DSPs, which can be programmed to accommodate music in any format, not just at the factory, but in the consumer's shirt pocket. The audio standards will either be encoded in the program material, reside in the player or be downloaded from the Internet. Regardless of the delivery methods, any player based on the TI's C55x DSPs (or any C5000 DSP) will be able to handle any audio standard.
DSP Development: A Universal Need For Speed
The fast pace of Internet audio technology advancement requires OEMs to get to market as fast as possible. TI's eXpressDSP? Real-Time Software Technology is a key ingredient in the DSP development environment that enables OEMS to be competitive in this quickly-changing and growing market. eXpressDSP gives designers a choice of standard software components, such as complex DSP algorithms, that can be reused over different product platforms, actually reducing product development time by more than 50 percent. eXpressDSP includes four main components - Code Composer Studio, DSP/BIOS, eXpressDSP Algorithm Standard and a broad network of third-party DSP developers.
DSP for the Future of Internet Audio
It may be years before the Internet audio community pares down standards to a manageable number, but consumers and manufacturers won't need to wait that long to confidently buy or build a player. Thanks to the programmability and minimal power consumption of TI's C55x DSPs, Internet audio players will transparently smooth out the standards maze for consumers, while making hours of continuous audiophile-quality listening possible from a player the size of a pack of playing cards.
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Trademarks
RealSystem G2 is a registered trademark of RealNetworks.
Dolby Digital is a registered trademark of Dolby Laboratories.
EPAC is a trademark of Lucent Technologies.
Windows Media Audio is a registered trademark of Microsoft Corp.
QDesign Music is a trademark of QDesign Corp.
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