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High-performance, ultra-low-power DSP

21st February 2013


SiTel Semiconductor today announced how its collaboration with Target Compiler Technologies led to the creation of customised audio DSPs for its SC14452 Green VoIP processor.

The DSPs combine extreme energy efficiency with high processing performance, enabling industry-leading audio quality and power consumption. Key components of the SC14452 that won a 2009 Frost and Sullivan Green Excellence Award, the DSPs were developed using Target’s IP Designer retargetable tool suite.
 
Target’s tools allowed SiTel to develop application-specific Gen2DSPs including a C-compiler, which means customers can program the DSPs themselves.

The DSPs operate at low frequency to minimise energy consumption, yet provide high processing power. The SC14552 features two of these DSPs, which together deliver 160 MIPS. At the same time, they help minimise power consumption, enabling in-call power figures below 600mW.
 
With these powerful DSPs on-board, the SC14452 delivers outstanding sound quality for crystal clear communications. It can support four concurrent IP connections, independent of the codec chosen. Currently supported codecs include G.711, G.729, G.722, G.726, iLBC and MP3.

Highly integrated, this VoIP solution reduces the overall system bill of materials (BoM) for enterprise VoIP desktop phones and IP-DECT base stations. It features integrated DECT, CAT-iq, DECT 6.0 and KDECT support and a dedicated cryptography engine for complete call confidentially.
 
For more information, visit www.sitelsemi.com.
 









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