独立向量分析（IVA）是对独立成分分析（ICA）算法的一种扩展，将ICA中的单变量成分扩展为多维变量成分，可有效避免卷积盲源分离过程中的排序模糊性问题。-Independent vector analysis (IVA), a multivariate extension of independent component analysis, tackles the convolutedly mixed blind source separation (BSS) problem in a wa

it is very important for stft

语音分离工具包，做各种语音处理，stft都会用的到(Voice separation kit, do a variety of voice processing, STFT will be used to)