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基于有色噪声的DSP语音增强实现 被引量:1

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摘要 文章提出了基于多带谱减法改进的增强系统,并在TI公司的浮点处理器TMS320C6713上实现。改进的多带谱减法将信号频谱非线性的分成4个互不重叠的频带,每个频带分别做不同系数的谱减运算,因此能很好的滤除有色噪声。工程实现证明此设计能有效的抑制色噪声和音乐噪声,即便在低信噪比环境也能有较好增强效果。
出处 《甘肃科技》 2007年第9期27-30,共4页 Gansu Science and Technology
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