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Simple MFCC extractor and an speech recognition algorithm (Dynamic Time Warping)
你好,最近在研究你写的这个项目,因为也是初学者,所以很多地方也不明白。先是把工程搭建起来,直接用同一个单词,两个不同人念的wav文件进行比较,结果比较出来的分值是1000+了,所以就很奇怪。但是看到工程里有些参数设置,也不知道具体怎么调整,我的音频文件是:wav格式。 16K采样率, 16位深。单声道。 如果可以的话,希望能加我QQ(124042540)指点一下,想把这个项目代码用在项目中
在main.cpp里将每帧采样数调整为400后输出的mfcc数组都显示nan
不知是否是算法问题还是存在溢出?
DTW那个步骤,为什么循环的长度只有5?
1
In the body of the addOrderDifference
function you have defined
vector<vector<float>> addOrderDifference(vector<vector<float> > mfccs){
// ...
}
This causes an error when compiling the project:
Following code solves it ( By adding WaveFunction:: to name of function)
vector<vector<float>> WaveFunction::addOrderDifference(vector<vector<float> > mfccs){
// Code
}
2
in main.c change the first line
#include"wavefunction.h"
to
#include"WaveFunction.h"
Thats all.
clone到本地,启动“g++ main.cpp -o output -lstdc++”报错如下:
/tmp/ccjS9i7I.o:在函数‘main’中:
main.cpp:(.text+0x45):对‘WaveFunction::WaveFunction(int, int)’未定义的引用
main.cpp:(.text+0x8a):对‘WaveFunction::getMFCCs(std::__cxx11::basic_string<char, std::char_traits, std::allocator >)’未定义的引用
main.cpp:(.text+0xe0):对‘WaveFunction::getMFCCs(std::__cxx11::basic_string<char, std::char_traits, std::allocator >)’未定义的引用
main.cpp:(.text+0x131):对‘WaveFunction::addOrderDifference(std::vector<std::vector<float, std::allocator >, std::allocator<std::vector<float, std::allocator > > >)’未定义的引用
main.cpp:(.text+0x1a1):对‘WaveFunction::addOrderDifference(std::vector<std::vector<float, std::allocator >, std::allocator<std::vector<float, std::allocator > > >)’未定义的引用
main.cpp:(.text+0x21e):对‘WaveFunction::ComputeDTW(std::vector<std::vector<float, std::allocator >, std::allocator<std::vector<float, std::allocator > > >, std::vector<std::vector<float, std::allocator >, std::allocator<std::vector<float, std::allocator > > >)’未定义的引用
collect2: error: ld returned 1 exit status
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