计算单词发音的准确性

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import web
import sys
import os
import numpy as np
import fastdtw
from scikits.audiolab import wavread
import scikits.talkbox
from scikits.talkbox import features
from scikits.talkbox.features import mfcc

urls = (
    '/demo','hello','/calcmfcc','calcmfcc','/calcdist','calcdist','/addtemplate','addtemplate',)

db = web.database(dbn='mysql',user='root',pw='root',db='audiotemplate')


def str2list(sstr,spliter):
    arr=sstr.split(spliter)
    b=[]
    for s in arr:
        if(s!=''):
            b.append(int(s))
    return b
        
def mydist(a,b):
    i_dist=0
    for i in range(0,len(a)):
        i_dist=i_dist+abs(a[i]-b[i])
    return i_dist/len(a)
    
def mfcc2str(llist):
    re=''
    for i in llist:
        temp=''
        for j in i:
            temp=temp+str(j)+'@'
        re=re+temp+'#'
    return re
    
def str2mfcc(sstr):
    temp=sstr.split('#')
    temp.pop()
    re=[]
    for lstr in temp:
        llist=[]
        arr=lstr.split('@')
        arr.pop()
        for elem in arr:
            llist.append(float(elem))
        re.append(llist)
    return re 
    
def data2mfcc(sstr):
    data=str2list(sstr,',')
    temp=mfcc(data)[0]
    return mfcc2str(temp)
    
def dist(str1,str2):
    mf1=str2mfcc(str1)
    np1=np.array(mf1)
    mf2=str2mfcc(str2)
    np2=np.array(mf2)
    re=fastdtw.fastdtw(np1,np2,1,mydist)[0]
    return re
        

class hello:
    def GET(self,name):
        return name

class calcmfcc:
    def POST(self):
        data=web.data()               
        return data2mfcc(data)
        
class calcdist:
    def POST(self):
        form=web.input(name="a",data="")
        name=form.name
        mf=data2mfcc(form.data)
        temps=db.query('select * from template where name="' + name + '"')
        mindist=999999
        for temp in temps:            
            mindist=min(mindist,dist(mf,temp.mfcc_text))
        return mindist
        
class addtemplate:
    def POST(self):
        form=web.input(name="a",data="")
        mf=data2mfcc(form.data)
        db.insert('template',name=form.name,mfcc_text=mf)
        return "ok"
        

if __name__ == "__main__":
    app = web.application(urls,globals())
    app.run()

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