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Comrex Adds AAC-ELD to Access

It said the algorithm combines the best aspects of low-delay audio coding with Spectral Band Replication to reduce bit rate.

(click thumbnail)Comrex signed with Fraunhofer IIS to license the new AAC-ELD (Enhanced Low Delay) coding algorithm for use with its Access line of audio codecs.

It said the algorithm combines the best aspects of low-delay audio coding with Spectral Band Replication to reduce bit rate.

“This combination creates a coding algorithm that is uniquely suited to real-time audio transmission over IP circuits,” Technical Director Hartnett said in the announcement.

“Combined with BRIC Technology on Access, using AAC-ELD allows full-fidelity, high-quality audio transmission at a data rate that easily fits into satellite and 3G wireless upload channels.”

One-way Access transmission delay using AAC-ELD is an “easily managed 50 milliseconds,” he said.

The algorithm is offered as part of the AAC Option package for Access codecs and is free to current owners of that option. It is available now for rack systems and is planned for Access Portable.

Booth: Comrex N2125, Fraunhofer SL7424

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