• 　　Plot the noisy speech signal both in time-domain and frequency-domain.

• 　　进行含噪语音信号的时频分析

• 　　Design a proper filter to remove noise from the speech signal.

• 　　设计合适滤波器进行去噪

• 　　Plot the clean signal both in time-domain and frequency-domain.

• 　　进行去噪后信号的时频分析

• 　　Design a Reverberator using 4 Comb filters and 2 All-pass filters, as shown in the following Figure, to generate reverberated and reflected sound with the capability of passing it through an equalizer.

• 　　设计一个混响器（用四个梳状滤波器和两个全通滤波器（下图所示））来产生回声（通过一个均衡器（用于调整频率的补偿和衰减））

-• 　　Plot the noisy speech signal both in time-domain and frequency-domain.

• 　　进行含噪语音信号的时频分析

• 　　Design a proper filter to remove noise from the speech signal.

• 　　设计合适滤波器进行去噪

• 　　Plot the clean signal both in time-domain and frequency-domain.

• 　　进行去噪后信号的时频分析

• 　　Design a Reverberator using 4 Comb filters and 2 All-pass filters, as shown in the following Figure, to generate reverberated and reflected sound with the capability of passing it through an equalizer.　

• 　　设计一个混响器（用四个梳状滤波器和两个全通滤波器（下图所示））来产生回声（通过一个均衡器（用于调整频率的补偿和衰减））