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10/24/2007 8:08:20 AM
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admin
Posts 372
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Dynamic Hearing PTY Ltd. has selected the AMI Semiconductor Ezairo 5900 series of ICs and packaged hybrids for use with Dynamic Hearing's latest suite of high-end sound-processing algorithms. The algorithms in the Hearing Aid Designer suite are combined within a framework that streamlines and reduces the development process, creating high-featured, differentiated products quickly. The patented ultra-low-delay signal processing of the Hearing Aid Designer operates over a 12-kHz bandwidth to render superior sound quality. In addition, the suite can process multiple advanced algorithms simultaneously, such as adaptive feedback management, automatic adaptive directional microphone processing, and noise reduction.
The Ezario 5900 series' highly flexible and integrated system architecture enhances the hearing Aid Designer's high performance and superior sound quality. The Ezario 5900 devices feature a 24-bit precision open programmable DSP core combined with the highly reconfigurable HEAR accelerator engine. This unique dual-core architecture allows Dynamic Hearing algorithms to run with an optimal balance between performance and power consumption. The Ezairo 5900 models include all necessary on-chip peripheral blocks to directly interface with transducers, battery, and controls.
FOR MORE INFORMATION
Visit http://www.amis.com and http://www.dynamichearing.com
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12/2/2009 11:49:58 PM
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pramod bhabad
Posts 432
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The systems-level design of a hearing aid depends on modeling and verifying ... time-base and power-management circuitry — and was bonded to the main IC. ... Finally, because the instrument used a series of complex algorithms such as .... With help from Real-time Workshop and xPC Target,
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12/13/2009 8:54:56 AM
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pramod bhabad
Posts 432
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Through the use of DSP chips and multiple microphones, hearing aids now offer the possibility of performing signal-to-noise enhancement. Evaluating different algorithms before they are instantiated on a hearing aid is essential. However, commercially available tests of hearing in noise do not allow for speech perception evaluation with a variety of signals, noise types, signal and noise locations, and reverberation.
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