基于Python编写一个语音合成系统

pip install websocket-client
pip install playsound

class play:
  def __init__(self): #初始化函数
  def play_sound(self):#播放音频函数
  def select_vcn(self,*arg):#选择下拉框设置发音人
  def xfyun_tts(self):#进行语音合成

def __init__(self):
        self.APP_ID = 'xxx'   #请填上自己的appid
        self.API_KEY = 'xxx'  #请填上自己的appkey
        self.SECRET_KEY = 'xxx' #请填上自己的appsecret

        self.root=tk.Tk() #初始化窗口
        self.root.title("语音合成系统") #窗口名称
        self.root.geometry("600x550") #设置窗口大小
        self.root.resizable(0,0)
        #self.root.resizable(width=True,height=True)#设置窗口是否可变,宽不可变,高可变,默认为True
        self.lb=tk.Label(self.root,text='请选择语音发音人')#标签
        self.tt=tk.Text(self.root,width=77,height=30) #多行文本框
        self.cb=ttk.Combobox(self.root, width=12)  #下拉列表框
        #设置下拉列表框的内容   
        self.cb['values']=("甜美女声-小燕","亲切男声-许久","知性女声-小萍", "可爱童声-许小宝","亲切女声-小婧")
        self.cb.current(0)    #将当前选择状态置为0,也就是第一项
        self.cb.bind("<<ComboboxSelected>>", self.select_vcn)
        self.tk_tts_file=tk.Label(self.root,text='生成文件名')
        self.b1=tk.Button(self.root, text='进行语音合成', width=10,height=1,command=self.xfyun_tts) #按钮
        self.tk_play=tk.Button(self.root, text='播放', width=10,height=1,command=self.play_sound) #按钮
        #各个组件的位置
        self.tk_tts_file.place(x=30,y=500)
        self.b1.place(x=300,y=500)
        self.tk_play.place(x=400,y=500)
        self.lb.place(x=30,y=30)
        self.cb.place(x=154,y=30)

        self.tt.place(x=30,y=60)
        self.root.mainloop()

def select_vcn(self,*arg):
        if self.cb.get()=='甜美女声-小燕':
            self.vcn="xiaoyan"
        elif self.cb.get()=='亲切男声-许久':
            self.vcn="aisjiuxu"
        elif self.cb.get()=='知性女声-小萍':
            self.vcn="aisxping"
        elif self.cb.get()=='可爱童声-许小宝':
            self.vcn="aisbabyxu"
        elif self.cb.get()=='亲切女声-小婧':
            self.vcn="aisjinger"

        print(self.vcn)

# -*- coding:utf-8 -*-
#
#   author: iflytek
#
#  本demo测试时运行的环境为：windows + python3.7
#  本demo测试成功运行时所安装的第三方库及其版本如下：
#   cffi==1.12.3
#   gevent==1.4.0
#   greenlet==0.4.15
#   pycparser==2.19
#   six==1.12.0
#   WEBSocket==0.2.1
#   websocket-client==0.56.0
#   合成小语种需要传输小语种文本、使用小语种发音人vcn、tte=unicode以及修改文本编码方式
#  错误码链接：https://www.xfyun.cn/document/error-code （code返回错误码时必看）
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
import websocket
import datetime
import hashlib
import base64
import hMac
import JSON
from urllib.parse import urlencode
import time
import ssl
from wsgiref.handlers import fORMat_date_time
from datetime import datetime
from time import mktime
import _thread as thread
import os
import wave


STATUS_FIRST_FRAME = 0  # 第一帧的标识
STATUS_CONTINUE_FRAME = 1  # 中间帧标识
STATUS_LAST_FRAME = 2  # 最后一帧的标识

PCM_PATH = "./demo.pcm"

class Ws_Param(object):
    # 初始化
    def __init__(self):
        pass
    def set_tts_params(self, text, vcn):
            if text != "":
                self.Text = text
            if vcn != "":
                self.vcn = vcn
                # 业务参数(business)，更多个性化参数可在官网查看
                self.BusinessArgs = {"bgs":1,"aue": "raw", "auf": "audio/L16;rate=16000", "vcn": self.vcn, "tte": "utf8"}
            #使用小语种须使用以下方式，此处的unicode指的是 utf16小端的编码方式，即"UTF-16LE"”
            #self.Data = {"status": 2, "text": str(base64.b64encode(self.Text.encode('utf-16')), "UTF8")}
            self.Data = {"status": 2, "text": str(base64.b64encode(self.Text.encode('utf-8')), "UTF8")}

    def set_params(self, appid, apiSecret, apiKey):
        if appid != "":
            self.APPID = appid
            # 公共参数(common)
            self.CommonArgs = {"app_id": self.APPID}
        
        if apiKey != "":
            self.APIKey = apiKey
        
        if apiSecret != "":
            self.APISecret = apiSecret

    # 生成url
    def create_url(self):
        url = 'wss://tts-api.xfyun.cn/v2/tts'
        # 生成RFC1123格式的时间戳
        now = datetime.now()
        date = format_date_time(mktime(now.timetuple()))

        # 拼接字符串
        signature_origin = "host: " + "ws-api.xfyun.cn" + "\n"
        signature_origin += "date: " + date + "\n"
        signature_origin += "GET " + "/v2/tts " + "Http/1.1"
        # 进行hmac-sha256进行加密
        signature_sha = hmac.new(self.APISecret.encode('utf-8'), signature_origin.encode('utf-8'),
                                 digestmod=hashlib.sha256).digest()
        signature_sha = base64.b64encode(signature_sha).decode(encoding='utf-8')

        authorization_origin = "api_key=\"%s\", alGorithm=\"%s\", headers=\"%s\", signature=\"%s\"" % (
            self.APIKey, "hmac-sha256", "host date request-line", signature_sha)
        authorization = base64.b64encode(authorization_origin.encode('utf-8')).decode(encoding='utf-8')
        # 将请求的鉴权参数组合为字典
        v = {
            "authorization": authorization,
            "date": date,
            "host": "ws-api.xfyun.cn"
        }
 
        url = url + '?' + urlencode(v)
 
        return url

def on_message(ws, message):
    try:
        #print(message)
        try:
            message =json.loads(message)
        except Exception as e:
            print("111",e)

        code = message["code"]
        sid = message["sid"]
        audio = message["data"]["audio"]
        audio = base64.b64decode(audio)
        status = message["data"]["status"]
        print(code, sid, status)
        if status == 2:
            print("ws is closed")
            ws.close()
        if code != 0:
            errMsg = message["message"]
            print("sid:%s call error:%s code is:%s" % (sid, errMsg, code))
        else:
            with open(PCM_PATH, 'ab') as f:
                f.write(audio)

    except Exception as e:
        print("receive msg,but parse exception:", e)

# 收到websocket错误的处理
def on_error(ws, error):
    print("### error:", error)


# 收到websocket关闭的处理
def on_close(ws):
    print("### closed ###")


# 收到websocket连接建立的处理
def on_open(ws):
    def run(*args):
        d = {"common": wsParam.CommonArgs,
             "business": wsParam.BusinessArgs,
             "data": wsParam.Data,
             }
        d = json.dumps(d)
        print("------>开始发送文本数据")
        ws.send(d)
        if os.path.exists(PCM_PATH):
            os.remove(PCM_PATH)

    thread.start_new_thread(run, ())


def text2pcm(appid, apiSecret, apiKey, text, vcn, fname):
    wsParam.set_params(appid, apiSecret, apiKey)
    wsParam.set_tts_params(text, vcn)
    websocket.enableTrace(False)
    wsUrl = wsParam.create_url()
    ws = websocket.WebSocketApp(wsUrl, on_message=on_message, on_error=on_error, on_close=on_close)
    ws.on_open = on_open
    ws.run_forever(sslopt={"cert_reqs": ssl.CERT_NONE})

    pcm2wav(PCM_PATH, fname)

def pcm2wav(fname, dstname):
    with open(fname, 'rb') as pcmfile:
        pcmdata = pcmfile.read()
        print(len(pcmdata))
    with wave.open(dstname, "wb") as wavfile:
        wavfile.setparams((1, 2, 16000, 0, 'NONE', 'NONE'))
        wavfile.writeframes(pcmdata)

wsParam = Ws_Param()