Speech bandwidth extension using transform-domain data hiding

被引：0
|
作者：
Phaneendra Kurada
Sailaja Maruvada
Koteswara Rao Sanagapallea
机构：
[1] JNTU Kakinada,Department of Electronics and Communication Engineering
[2] KL University,Department of Electronics and Communication Engineering
来源：
International Journal of Speech Technology | 2019年 / 22卷
关键词：
Telephone networks; Bandwidth extension of narrowband speech; Transform-domain data hiding; Spectral envelope; Speech enhancement;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new transform-domain speech bandwidth extension algorithm is proposed to transmit the information about the missing speech frequencies over a hidden channel, i.e., the related spectral envelope and gain parameters are hidden within the narrowband speech signal using fast Fourier transform-based data hiding technique. The hidden information is recovered reliably at the receiving end to produce a wideband signal of much higher quality. Obtained results confirm that the excellent reconstructed wideband (RWB) signal quality of the proposed algorithm over the traditional methods.
引用
收藏
页码：305 / 312
页数：7
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