增强长者电话语音功能

2020 4th International Conference on Computer, Communication and Signal Processing (ICCCSP) Pub Date : 2020-09-28 DOI:10.1109/ICCCSP49186.2020.9315269

R. Emani, P. Telagathoti, P. N

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引用次数: 0

摘要

任何通信系统性能的限制因素之一是带宽。在电话系统中，业务话音频率范围为300至3400hz，称为窄带(NB)。这种NB导致语音质量和可理解性显著下降，特别是对老年人而言。语音带宽扩展(SBE)技术用于提高NB信号的质量和清晰度。在SBE方法中，关于丢失的语音频率分量的附加数据与NB信号一起传输。在接收端利用传输丢失的语音频率分量重构出质量更好的宽带信号。本文探讨了SBE提高老年人NB信号质量和可理解性的能力。通过主观聆听和客观测试，重申了老年人NB语音质量和可理解性的提高。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Telephony Speech Enhancement for Elderly People

One of the limiting factors of performance of any communication system is bandwidth. In telephone systems, the operational voice frequency ranges from 300 to 3400 Hz and is called Narrow Band (NB). This NB causes remarkable depreciation of speech in terms of quality and intelligibility, specifically for elderly persons. Speech Bandwidth Extension (SBE) technique is used to increase the quality and intelligibility of NB signal. In SBE method, additional data about the lost speech frequency components is transmitted along with NB signal. A better-quality Wide Band (WB) signal is reconstructed at the receiver end using the transmitted missing speech frequency components. This paper explores the ability of SBE to enhance the quality and intelligibility of NB signal for elderly persons. The enhancement in the quality and intelligibility of NB speech for elderly persons is reasserted by subjective listening and objective tests.

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2020 4th International Conference on Computer, Communication and Signal Processing (ICCCSP)

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