Feeds

Gigabit audio to run on Ethernet

But who wants hundreds of simultaneous sound channels?

Mobile application security vulnerability report

Cirrus Logic is developing Gigabit Ethernet audio chips, with the aim of sending hundreds of uncompressed audio streams over the wire at the same time.

The chips will supercharge the company's existing CobraNet audio networking technology, and enable heavyweight audio users to aggregate as many as 600 or 700 professional-grade sound channels onto a single connection.

"The current generation uses 100Mbit/s switched Ethernet, and allows 64 channels in and out of each network node - many facilities now want bigger networks though," said CobraNet marketeer Steve Bassett.

He added that sites for Gigabit audio networks could include theme parks, where each ride or attraction can have many different audio channels to add sound effects, theatres with many on-stage microphones to cater for, and residential or office buildings distributing incoming audio to media players.

"The Gigabit generation also supports a 192kHz sample rate at 32 bits per channel for professional audio," he said.

Cirrus Logic co-developed its Gigabit audio technology with a number of partners, including QSC, which makes professional-grade audio equipment, and Gibson Guitar, which has a big interest in digital audio and recently announced a digital HD audio version of its classic Les Paul electric guitar.

"Gibson is a strategic development partner, it has a long musical history and created its MaGIC technology [a low-latency digital audio protocol for Ethernet] several years ago for use in studios," Bassett said. "CobraNet was more for commercial audio distribution, but with the Gigabit generation we are converging the two protocols."

CobraNet runs over standard Ethernet alongside other protocols, and synchronises the nodes on the network so that audio packets can be transferred accurately without buffering, according to Bassett.

He said that moving to Gigabit Ethernet required Cirrus Logic to develop new audio modules and chips capable of decoding the CobraNet protocol ten times faster than before. OEMs will get reference designs from Cirrus Logic in the coming months, with the first Gig-capable audio products expected late this year or early in 2008. ®

Bridging the IT gap between rising business demands and ageing tools

More from The Register

next story
THUD! WD plonks down SIX TERABYTE 'consumer NAS' fatboy
Now that's a LOT of porn or pirated movies. Or, you know, other consumer stuff
EU's top data cops to meet Google, Microsoft et al over 'right to be forgotten'
Plan to hammer out 'coherent' guidelines. Good luck chaps!
US judge: YES, cops or feds so can slurp an ENTIRE Gmail account
Crooks don't have folders labelled 'drug records', opines NY beak
Manic malware Mayhem spreads through Linux, FreeBSD web servers
And how Google could cripple infection rate in a second
FLAPE – the next BIG THING in storage
Find cold data with flash, transmit it from tape
Seagate chances ARM with NAS boxes for the SOHO crowd
There's an Atom-powered offering, too
prev story

Whitepapers

Reducing security risks from open source software
Follow a few strategies and your organization can gain the full benefits of open source and the cloud without compromising the security of your applications.
Consolidation: The Foundation for IT Business Transformation
In this whitepaper learn how effective consolidation of IT and business resources can enable multiple, meaningful business benefits.
Application security programs and practises
Follow a few strategies and your organization can gain the full benefits of open source and the cloud without compromising the security of your applications.
Boost IT visibility and business value
How building a great service catalog relieves pressure points and demonstrates the value of IT service management.
Consolidation: the foundation for IT and business transformation
In this whitepaper learn how effective consolidation of IT and business resources can enable multiple, meaningful business benefits.