基于matlab GUI界面设计,可以动态调节运行环境的参数，详细画出了时域和频域的相关图，一种流形学习算法（很好用），结合PCA的尺度不变特征变换(SIFT)算法，用于建立主成分分析模型，实现了对10个数字音的识别程。- Based on matlab GUI interface design, Can dynamically adjust the parameters of the operating environment, Correlation diagram shown in detail the time domain and frequency domain, A fluid manifold learning algorithm (good use), Combined with PCA scale invariant feature transform (SIFT) algorithm, Principal component analysis model for establishing, Realization of 10 digital audio recognition progra.