声音识别——提取MFCC特征C程序，包含了mel域三角滤波器的设计等内容-The voice recognition- extract MFCC feature C program, including the mel domain triangle filter design

AD9833 is the firmware of the microcontroller to generate signals such as sine, triangle and rectangle

利用matlab实现三角波的生成及频谱分析。-Matlab triangle wave generation and spectrum analysis.

基于DTW算法实现的语音识别程序，可以识别数字0 9，以及“正弦波，方波，三角波”，并将波形识别结果装入TXT文件中！-DTW algorithm based on speech recognition program that can recognize digits 0 to 9, and sine, square, triangle, and waveform recognition result is loaded into a TXT file!