目标：
1.学习使用百度AI开放平台进行语音识别与语音合成
百度AI有两种开发方式：REST, SDK; 本文使用的是REST api+python进行开发
文档地址：/docs#/ASR-Guide/top
2.将学到的内容：JSON数据，HTTP API调用，base64文件编码与解码
3.生成exe格式可执行文件
pyinstaller -F xxx.py 参考文档 /qq_35203425/article/details/78568141
4.python-Tkinter图形界面开发
问题点：
1.界面上的模块不会随窗口放大产生变化
2.未添加异常捕获
界面：
代码：
from tkinter import *from tkinter import ttkfrom tkinter.filedialog import askopenfilename,askdirectoryimport jsonimport requestsimport base64from urllib.parse import urlencode,quote_plusimport osclass Audio():def __init__(self):#参数初始化化# self.width,self.height,self.xoffset,self.yoffset=800,400,350,200 #定义窗口大小self.myWindow = Tk()self.path = StringVar()#搜索路径变量self.path1=StringVar() #保存路径变量self.audio_formats = StringVar() #定义音频识别格式self.API_Key = 'AN6TAou6hNd5UEMxBGxUFXGC' #百度AI秘钥self.Secret_Key = 'rTb6zkjVWEnuXoEVyv6cSaiblzNfxP6l'self.url_1 = '/oauth/2.0/token?grant_type=' \'client_credentials&client_id=AN6TAou6hNd5UEMxBGxUFXGC&client_secret=rTb6zkjVWEnuXoEVyv6cSaiblzNfxP6l& 'self.url_2='/server_api'self.url_3 = '/text2audio'def selectPath(self):# 路径搜索self.name = askopenfilename()self.path.set(self.name)def savepath(self):self.name1=askdirectory()self.path1.set(self.name1)def audio_recognition(self):#语言识别模块audio_path=self.path.get()audio_formats=self.audio_formats.get()if len(audio_path) == 0 or len(audio_formats) == 0:self.text.insert(INSERT, '未选定识别文件')else:response = requests.get(url=self.url_1)self.token = response.json()['access_token']# 打开文件with open(audio_path,'rb') as f:audio=f.read()# 识别文件length = len(audio)speech = base64.b64encode(audio)speech = str(speech, 'utf-8')params = {"format": audio_formats,"rate": 16000,"channel": '1',"token": self.token,"cuid": 'D8-F2-CA-06-B4-59','len': length,"speech": speech}post_data = json.dumps(params, sort_keys=False)text = requests.post(self.url_2, post_data.encode('utf-8'))# 输出文件内容if text.json()['err_msg']=='success.':self.text.insert(INSERT,text.json()[ 'result'])else:self.text.insert(INSERT,text.json()['err_msg']+text.json()['err_no'])def audi_composite(self):#语言合成模块response = requests.get(url=self.url_1)token = response.json()['access_token']string=self.text1.get(1.0,2.0)tex = quote_plus(string)params = {'tok': token, 'tex': tex, 'per': 1, 'spd': 5, 'pit': 5, 'vol': 5, 'aue': 3,'cuid': 'D8-F2-CA-06-B4-59','lan': 'zh', 'ctp': 1}data = urlencode(params)audio = requests.post(self.url_3, data.encode('utf-8'))if len(self.path1.get())!=0:path=os.path.join(self.path1.get(),'audio.mp3')with open(path, 'wb') as f:f.write(audio.content)def interface(self):# 制作界面self.myWindow.title('语音演示程序') # 修改窗口标题self.myWindow.geometry("800x400+350+200") # 修改窗口大小 width*height+xoffset+yoffset# 创建两个标签容器frm_l = LabelFrame(self.myWindow, text='语言识别', width=380, height=380)frm_l.grid(row=0, column=0, ipadx=20, ipady=10, padx=10, pady=10)frm_r = LabelFrame(self.myWindow, text='语言合成', width=380, height=380)frm_r.grid(row=0, column=1, padx=10, pady=10)entry1 = Entry(frm_l, textvariable=self.path, width=35).grid(row=0, column=0, rowspan=2, columnspan=4, sticky='EW', pady=5, padx=5)button1 = Button(frm_l, text='选择文件', command=self.selectPath, width=10, height=1).grid(row=0, column=4, sticky='EW',pady=5, padx=5)label_1 = Label(frm_l, text="音频格式").grid(row=2, column=0, sticky='EW', pady=5, padx=5)com = bobox(frm_l, textvariable=self.audio_formats, value=['PCM', 'WAV', 'AMR'], width=10, height=1)com.current(0)com.grid(row=2, column=1, sticky='EW', pady=5, padx=5)button2 = Button(frm_l, text='开始识别', command=self.audio_recognition, width=10, height=1).grid(row=2, column=4,sticky='EW', pady=5,padx=5)label_2 = Label(frm_l, text='识别结果').grid(row=4, column=0, sticky='EW', pady=5, padx=5)self.text = Text(frm_l, width=40, height=15)self.text.grid(row=5, column=0, rowspan=2, columnspan=5, sticky='EW', pady=5, padx=5)# 语音合成模块self.text1 = Text(frm_r, width=50, height=19)self.text1.grid(row=0, column=0, rowspan=2, columnspan=4, sticky='EW', pady=5, padx=5)entry1 = Entry(frm_r, textvariable=self.path1).grid(row=2, column=0, rowspan=1, columnspan=3,sticky='EW', pady=5, padx=5)button4=Button(frm_r, text='保存路径',command=self.savepath, width=10, height=1).grid(row=2, column=3, sticky='EW',pady=5, padx=5)button3 = Button(frm_r, text='开始合成',command=self.audi_composite, width=10, height=1)button3.grid(row=3, column=3, sticky='EW', pady=5, padx=5)# 启动主窗口的消息循环self.myWindow.mainloop()if __name__ == '__main__':audio=Audio()audio.interface()
