基于树莓派的语音对话机器人

第一部分代码

arecord -D "plughw:1" -f S16_LE -r 16000 -d 3 /home/pi/Desktop/voice.wav

第二部分代码

# coding: utf-8
import sys 
import json 
import urllib2 
import base64 
import requests
reload(sys) 
sys.setdefaultencoding(“utf-8”)
def get_access_token(): 
url = “https://openapi.baidu.com/oauth/2.0/token” 
body = { 
“grant_type”:”client_credentials”, 
“client_id” :”此处填写自己的client_id”, 
“client_secret”:”此处填写自己的client_secret”, 
}
r = requests.post(url,data=body,verify=True)
respond = json.loads(r.text)
return respond["access_token"]
def yuyinshibie_api(audio_data,token): 
speech_data = base64.b64encode(audio_data).decode(“utf-8”) 
speech_length = len(audio_data) 
post_data = { 
“format” : “wav”, 
“rate” : 16000, 
“channel” : 1, 
“cuid” : “B8-27-EB-BA-24-14”, 
“token” : token, 
“speech” : speech_data, 
“len” : speech_length 
}
url = "http://vop.baidu.com/server_api"
json_data = json.dumps(post_data).encode("utf-8")
json_length = len(json_data)
#print(json_data)

req = urllib2.Request(url, data=json_data)
req.add_header("Content-Type", "application/json")
req.add_header("Content-Length", json_length)

#print("asr start request\n")
resp = urllib2.urlopen(req)
#print("asr finish request\n")
resp = resp.read()
resp_data = json.loads(resp.decode("utf-8"))
if resp_data["err_no"] == 0:
   return resp_data["result"]
else:
    print(resp_data)
    return None
def asr_main(filename,tok): 
try: 
f = open(filename, “rb”) 
audio_data = f.read() 
f.close() 
resp = yuyinshibie_api(audio_data,tok) 
return resp[0] 
except Exception,e: 
print “e:”,e 
return “识别失败”.encode(“utf-8”)

第三部分代码

# coding: utf-8

import requests
import json
import sys
reload(sys)
sys.setdefaultencoding("utf-8")


def Tuling(words):
    Tuling_API_KEY = "此处填写自己的Turling KEY"

    body = {"key":Tuling_API_KEY,"info":words.encode("utf-8")}

    url = "http://www.tuling123.com/openapi/api"
    r = requests.post(url,data=body,verify=True)

    if r:
        date = json.loads(r.text)
        print date["text"]
        return date["text"]
    else:
        return None

 第四部分代码

# coding: utf-8
import sys 
import urllib2 
import json 
import os 
import yuyinshibie
reload(sys) 
sys.setdefaultencoding(“utf-8”)
def yuyinhecheng_api(tok,tex): 
cuid = “B8-27-EB-BA-24-14” 
spd = “4” 
url = “http://tsn.baidu.com/text2audio?tex=“+tex+”&lan=zh&cuid=”+cuid+”&ctp=1&tok=”+tok+”&per=3” 
#print url 
#response = requests.get(url) 
#date = response.read() 
return url
def tts_main(filename,words,tok): 
voice_date = yuyinhecheng_api(tok,words)
f = open(filename,"wb")
f.write(voice_date)
f.close()

第五部分代码

# coding: utf-8

import os
import time
import yuyinhecheng
import Turling
import yuyinshibie


tok = yuyinshibie.get_access_token()

switch = True
while switch:
    os.system('sudo arecord -D "plughw:1" -f S16_LE -r 16000 -d 3 /home/pi/Desktop/voice.wav')
    time.sleep(0.5)
    info = yuyinshibie.asr_main("/home/pi/Desktop/voice.wav",tok)
    if '关闭'.encode("utf-8") in info:
        while True:
            os.system('sudo arecord -D "plughw:1" -f S16_LE -r 16000 -d 10 /home/pi/Desktop/voice.wav')
            time.sleep(10)

            info = yuyinshibie.asr_main("/home/pi/Desktop/voice.wav",tok)
            if '开启'.encode("utf-8") in info:
                break

        url = "http://tsn.baidu.com/text2audio?tex=开启成功&lan=zh&cuid=B8-27-EB-BA-24-14&ctp=1&tok="+tok+"&per=3"
        os.system('mpg123 "%s"'%url)


    elif '暂停'.encode("utf-8") in info:
        url = "http://tsn.baidu.com/text2audio?tex=开始暂停&lan=zh&cuid=B8-27-EB-BA-24-14&ctp=1&tok="+tok+"&per=3"
        os.system('mpg123 "%s"'%url)
        time.sleep(10)

        url = "http://tsn.baidu.com/text2audio?tex=暂停结束&lan=zh&cuid=B8-27-EB-BA-24-14&ctp=1&tok="+tok+"&per=3"
        os.system('mpg123 "%s"'%url)
        continue


    else:
        tex = Turling.Tuling(info)
        url = yuyinhecheng.yuyinhecheng_api(tok,tex)
        os.system('mpg123 "%s"'%url)
        time.sleep(0.5)