搜索资源列表
计算声音信号的总声压级
- 计算声音信号的总声压级,1/3/倍频程声压级,总响度,特性响度,尖锐度,Calculation of the total sound pressure level of the voice signal, 1/3/octave sound pressure level, the total loudness, loudness characteristics, acute severe
chenxu
- (1)录制一段语音信号,完成对信号的采样,画出信号的时域波形和频谱图,确定信号的频谱范围; (2)给信号叠加噪声(噪声类型分为如下几种:a白噪声;b单频噪色(正弦干扰);c多频噪声(多正弦干扰);d其它干扰。),画出受噪声干扰的信号时域波形和频谱图; (3)采用窗函数法设计FIR低通滤波器,画出滤波器的频响特性图; (4)用所设计的滤波器对受噪声影响的信号进行滤波,画出滤波后语音信号的时域波形图和频谱图; (5)对滤波前后的信号进行对比,分析信号的变化;回放语音信号,并与原始语音信号对比
yuyinchuli
- 在matlab平台利用GUI界面实现录音,播放。并对语音信号进行频谱分析,特定人语音识别,混响,混频等基础功能。(On the MATLAB platform, the GUI interface is used to record and play. And the speech signal spectrum analysis, specific speech recognition, reverberation, mixing and other basic functions.)