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REDUCING AN EFFECT OF AMBIENT NOISE WITHIN AN AUDITORY PROSTHESIS SYSTEM
REDUCING AN EFFECT OF AMBIENT NOISE WITHIN AN AUDITORY PROSTHESIS SYSTEM
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机译：在听觉假体系统中减少环境噪声的影响
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摘要
An exemplary method of reducing an effect of ambient noise within an auditory prosthesis system includes dividing an audio signal presented to an auditory prosthesis patient into a plurality of analysis channels each containing a frequency domain signal representative of a distinct frequency portion of the audio signal, determining a signal-to-noise ratio and a noise reduction gain parameter based on the signal-to-noise ratio for each of the frequency domain signals, applying noise reduction to the frequency domain signals in accordance with the determined noise reduction gain parameters to generate a noise reduced frequency domain signal corresponding to each of the analysis channels, and generating one or more stimulation parameters based on the noise reduced frequency domain signals and in accordance with at least one of a current steering stimulation strategy and an N-of-M stimulation strategy. Corresponding methods and systems are also disclosed.
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