可编程数字助听器的微电子核心

Proceedings of 1997 Workshop on Applications of Signal Processing to Audio and Acoustics Pub Date : 1997-10-19 DOI:10.1109/ASPAA.1997.625577

J. A. Hidalgo, J. C. Tejero, A. Daza, O. Oballe, A. Gago

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引用次数: 1

摘要

我们介绍了一种数字助听器的核心，它可以补偿感觉神经受损听众的语音信号，以提高他们的可理解性。所实现的技术是基于语音的数字分析/合成:我们将输入信号分成短时间块，然后根据受试者在每个频段的动态范围，在声音的正弦模型中进行多波段分析、非线性放大和合成。该系统实时工作，仅使用1/spl mu/ ES2技术的一个ASIC实现，包括3个容量为2432位的RAM存储器和一个16/spl倍/16乘法器。模具尺寸为30.59 mm/sup 2/。

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A microelectronic core for a programmable digital hearing aid

We introduce a core for a digital hearing aid that compensates the signal spoken in sensorineural impaired listeners with object of improving their intelligibility. The technique implemented is based on a digital analysis/synthesis of speech: we divided the input signal into short time blocks then we make a multiband analysis, non-linear amplification and synthesis based in a sinusoidal model of the voice, according to the subject's dynamic range in each band. The system works in real time and has been implemented with only one ASIC in 1/spl mu/ ES2 technology including 3 RAM memories with a capacity of 2432 bits and one 16/spl times/16 multiplier. The size of the die is 30.59 mm/sup 2/.

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Proceedings of 1997 Workshop on Applications of Signal Processing to Audio and Acoustics

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