代码搜索：语音降噪
找到约 2,424 项符合「语音降噪」的源代码
代码结果 2,424
www.eeworm.com/read/374047/9422790
m voicedatacodebookexisting.m
%建立与码本对应的码本语音库voicedatacodebook
load('codebook','cw');
load('lpcdata','c');
load('voicedata','v');
d=disteu(cw,c);
[m,ind]=min(d,[],2);
k=ind(1)-1;
p=k*240;
vcw=v(p+1:p+240);
for i=2:512
www.eeworm.com/read/360651/10082949
m pre_process.m
function o=Pre_Process(speech)
%speech－－－输入完整语音
global x1 x2 y1 y2;
b=[0.46363718 -0.92724705 0.46363718];
a=[1 -1.9059465 0.9114024];
o=filter(b,a,speech);
for i=1:2
o(i)=b(1)*speech(i
www.eeworm.com/read/164601/10100380
txt waveletthresholddenoise.txt
clear
x=wavread('s5.wav'); %语音信号数据格式转换
s=x(1:16384);
subplot(311);
plot(s);
n=randn(size(s)); %生成白噪声
sn=200*s+n; %信号染噪
subplot(312);
plot(sn)
[c,l]=waved
www.eeworm.com/read/161995/10348475
m f7_4.m
%读入语音文件
fin=fopen('DR4_MLJH0_SX334.ADC','r');
x=fread(fin,'short');
fclose(fin);
%时域波形
figure(1);
plot(x,'LineWidth',2);
xlabel('时间 t');
ylabel('幅值 A');
%计算短时能量
N=length(x);
%%短时窗长
L=200
www.eeworm.com/read/161995/10348480
m f7_6.m
%读入语音信号
load gabor;
t=0:337;
%采样频率
fs=1000;
%绘制时域波形
figure(1);
plot(t,gabor,'LineWidth',2);
xlabel('时间 t');
ylabel('幅值 A');
%计算功率谱
nfft=10240;
dsp=abs(fft(gabor,nfft));
%绘制功率谱图
figure(2)
www.eeworm.com/read/425287/10365535
m f7_4.m
%读入语音文件
fin=fopen('DR4_MLJH0_SX334.ADC','r');
x=fread(fin,'short');
fclose(fin);
%时域波形
figure(1);
plot(x,'LineWidth',2);
xlabel('时间 t');
ylabel('幅值 A');
%计算短时能量
N=length(x);
%%短时窗长
L=200
www.eeworm.com/read/425287/10365543
m f7_6.m
%读入语音信号
load gabor;
t=0:337;
%采样频率
fs=1000;
%绘制时域波形
figure(1);
plot(t,gabor,'LineWidth',2);
xlabel('时间 t');
ylabel('幅值 A');
%计算功率谱
nfft=10240;
dsp=abs(fft(gabor,nfft));
%绘制功率谱图
figure(2)
www.eeworm.com/read/160248/10550358
m f7_4.m
%读入语音文件
fin=fopen('DR4_MLJH0_SX334.ADC','r');
x=fread(fin,'short');
fclose(fin);
%时域波形
figure(1);
plot(x,'LineWidth',2);
xlabel('时间 t');
ylabel('幅值 A');
%计算短时能量
N=length(x);
%%短时窗长
L=200
www.eeworm.com/read/160248/10550372
m f7_6.m
%读入语音信号
load gabor;
t=0:337;
%采样频率
fs=1000;
%绘制时域波形
figure(1);
plot(t,gabor,'LineWidth',2);
xlabel('时间 t');
ylabel('幅值 A');
%计算功率谱
nfft=10240;
dsp=abs(fft(gabor,nfft));
%绘制功率谱图
figure(2)
www.eeworm.com/read/278132/10566328
m pre_process.m
function o=Pre_Process(speech)
%speech－－－输入完整语音
global x1 x2 y1 y2;
b=[0.46363718 -0.92724705 0.46363718];
a=[1 -1.9059465 0.9114024];
o=filter(b,a,speech);
for i=1:2
o(i)=b(1)*speech(i