A Raspberry Pie based Speech Conversation Robot

The example in this paper shares the raspberry pie-based voice dialog robot for your reference, as follows

Part 1 Code

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

Part 2 Code

# 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 "  : "Fill in your own here client_id " , 
 " client_secret " : "Fill in your own here 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  "Identify Failed" .encode( " utf-8 " )

Part 3 Codes

# coding: utf-8
 
import requests
import json
import sys
reload(sys)
sys.setdefaultencoding("utf-8")
 
 
def Tuling(words):
  Tuling_API_KEY = " Fill in your own here 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

Part 4 Codes

# 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()

Part 5 Code

# 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 ' Close '.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 ' open '.encode("utf-8") in info:
        break
 
    url = "http://tsn.baidu.com/text2audio?tex= Open Successfully &lan=zh&cuid=B8-27-EB-BA-24-14&ctp=1&tok="+tok+"&per=3"
    os.system('mpg123 "%s"'%url)
 
 
  elif ' suspend '.encode("utf-8") in info:
    url = "http://tsn.baidu.com/text2audio?tex= Start Pause &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= Pause End &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)