代码搜索：音频信号频率计
找到约 10,000 项符合「音频信号频率计」的源代码
代码结果 10,000
www.eeworm.com/read/27266/981940
频率计
www.eeworm.com/read/28525/1000149
频率计
www.eeworm.com/read/483424/6606290
caj 无感知音频信号数字水印技术.caj
www.eeworm.com/read/483424/6606306
caj 数字音频信号的水印嵌入算法.caj
www.eeworm.com/read/228876/14358669
caj 无感知音频信号数字水印技术.caj
www.eeworm.com/read/228876/14358704
caj 数字音频信号的水印嵌入算法.caj
www.eeworm.com/read/37289/900945
m 音频信号噪声经典处理方法实现1.m
[x,fs,nbit]=wavread('Test.wav');%读取Test音频文件
sound(x,fs)
N=length(x);
n=1:N;
c=0.1*sin(2*pi*1000*n./fs);
x1=x'+c;%将正弦波加载于原音频文件
sound(x1,fs);
subplot(2,2,1);stem(n,x);
xlabel('采样点');
ylabel('模拟
www.eeworm.com/read/37289/900946
m 音频信号噪声经典处理方法实现3.m
function [b,a] = un_buttap(N,Omegac);
% b=Ha(s)分子多项式系数
% a=Ha(s)分母多项式系数
% N=巴特沃兹模拟原型滤波器的阶次
% OmegaC=截止频率弧度/秒
[z0,p0,k0] =buttap(N);
p=p0*Omegac;
k=k0*Omegac^N;
B=real(poly(
www.eeworm.com/read/37289/900948
m 音频信号噪声经典处理方法实现2.m
function [b,a] = p_butt(Omegap,Omegas,Rp,As);
% b=Ha(s)分子多项式系数
% a=Ha(s)分母多项式系数
% Omegap = 通带截止频率弧度/秒；Wp>0
% Omegas = 阻带截止频率弧度/秒；Ws>Wp>0
% Rp = 通带纹波 + dB；(Rp>0)
% As = 阻带衰减 + dB；(As>0)
if Ome
www.eeworm.com/read/236015/14035917