SPIRIT Goes Mobile with Latest Acoustic Echo Cancellation Software

6/25/2003 - SPIRIT (www.spiritdsp.com), the biggest eXpressDSP software house in Europe (source: Texas Instruments 2001 processor sales data), has broadened its advanced Acoustic Echo cancellation product portfolio with Mobile Acoustic Echo Cancellation software solution designed to seamlessly work in mobile devices. The software is a highly integrated solution with such features as echo cancellation, noise cancellation and narrow signal protection.

Mobile Acoustic Echo cancellation software by SPIRIT is focused on the mobile telephony devices, embracing cellular phones, hands-free mobile sets, car-kits and smart-phone devices.

Wireless mobile echo presents new challenges beyond telephony and Internet telephony issues that have been successfully overcome by SPIRIT's echo suppressing technology.

People are going increasingly mobile, using small, portable devices to communicate, and are looking for improved quality of their communication. Requirements to sound clarity make acoustic echo cancellation more critical than ever as one of fundamental factors influencing communication quality.

Not less important is growing tendency to avoid the harmful microwave influence of mobile phone closely pressed to the head, which leads to broad use of hands-free devices and high demand for echo free speech quality.

Dramatic improvement in sound quality is achieved through a combination of techniques including:

The software is distinguished by such features as: True full-duplex speakerphone operation, More than -42dB total echo rejection, Fast convergence, Dynamic adaptation to changing conditions such as noise, speech levels, or delay.

"Now that wireless communication is rapidly growing, we observe the high demand by mobile users for products that solve the problem of poor voice quality caused by echoes and harsh noise environments. Consumers have higher expectations for communication quality and modern feature-rich communication devices are driving demand for quality speakerphone operation," said Andrew Sviridenko, SPIRIT's CEO.

"In today's wireless arena, voice quality has become the key to retaining customers. Striving to meet high requirements for voice quality within our broad DSP telecom product line, SPIRIT readily offers mobile chip providers and cellular phone manufacturers an opportunity to comply with strong customer needs by utilizing SPIRIT's Acoustic Echo Cancellation."

SPIRIT's Acoustic Echo cancellation software has a proven track record, being integrated in the leading European videophone and e-mailer products.

A working version of Mobile Acoustic Echo Cancellation software by SPIRIT is offered in two modifications, written as fixed-point DSP code, and is readily ported to multiple DSP or RISC architectures, such as Texas Instruments C54x, C55x, ARM7/9/strong ARM/xscale/Calm16.

SPIRIT (www.spiritdsp.com) is a prominent supplier of high-quality DSP software products, including VoIP, FoIP, speaker ID, speech processing, telephony, GPS, MP3, video compression, and more. SPIRIT's flexible licensing model includes cost efficient product customization to specific clients' needs. SPIRIT communication software works within hardware solutions from clients including Atmel, Furuno, JRC, NEC, Nortel Networks, Panasonic, Samsung, Siemens, Tadiran, Texas Instruments, and Toshiba among others. Since 2001, Texas Instruments is shipping SPIRIT's software bundled with TI C54CST processor.

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