使用python实现百度语音识别和图灵对话-创新互联
这篇文章运用简单易懂的例子给大家介绍使用python实现百度语音识别和图灵对话，内容非常详细，感兴趣的小伙伴们可以参考借鉴，希望对大家能有所帮助。
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https://github.com/Dongvdong/python_Smartvoice
- 上电后，只要周围声音超过 2000，开始录音5S
- 录音上传百度识别，并返回结果文字输出
- 继续等待，周围声音是否超过2000，没有就等待。
- 点用电脑API语音交互
代码如下
# -*- coding: utf-8 -*-
# 树莓派
from pyaudio import PyAudio, paInt16
import numpy as np
from datetime import datetime
import wave
import time
import requests#导入requests库
import urllib, urllib.request, pycurl
import base64
import json
import os
import sys
from imp import reload
# 调用电脑API生成语音交互
import speech
import win32api
import os
import sys
import time
import win32con
reload(sys)
#sys.setdefaultencoding( "utf-8" )
#一些全局变量
save_count = 0
save_buffer = []
t = 0
sum = 0
time_flag = 0
flag_num = 0
filename = ''
duihua = '1'
def getHtml(url):
html= requests.get(url)
# html.encoding = 'utf-8'#防止中文乱码
return html.text
def get_token():
apiKey = "AxXDYEN27Ks9XHocsGmCEdPm"
secretKey = "61cd52759f4d704d91c155a22ff7183d"
auth_url = "https://openapi.baidu.com/oauth/2.0/token?grant_type=client_credentials&client_id=" + apiKey + "&client_secret=" + secretKey;
res = requests.get(auth_url)
#res.encoding = 'utf-8'#防止中文乱码
#print (res.text)
return json.loads(res.text)['access_token']
def dump_res(buf):#输出百度语音识别的结果
global duihua
#print ("字符串类型")
#print (buf)
a = eval(buf)
#print (type(a))
if a['err_msg']=='success.':
#print (a['result'][0]）#终于搞定了，在这里可以输出，返回的语句
duihua = a['result'][0]
print ("我："+duihua)
def use_cloud(token):#进行合成
fp = wave.open(filename, 'rb')
nf = fp.getnframes()
f_len = nf * 2
audio_data = fp.readframes(nf)
cuid = "9120612" #产品id
srv_url = 'http://vop.baidu.com/server_api' + '?cuid=' + cuid + '&token=' + token
http_header = [
'Content-Type: audio/pcm; rate=8000',
'Content-Length: %d' % f_len
]
c = pycurl.Curl()
c.setopt(pycurl.URL, str(srv_url)) #curl doesn't support unicode
#c.setopt(c.RETURNTRANSFER, 1)
c.setopt(c.HTTPHEADER, http_header) #must be list, not dict
c.setopt(c.POST, 1)
c.setopt(c.CONNECTTIMEOUT, 30)
c.setopt(c.TIMEOUT, 30)
c.setopt(c.WRITEFUNCTION, dump_res)
c.setopt(c.POSTFIELDS, audio_data)
c.setopt(c.POSTFIELDSIZE, f_len)
c.perform() #pycurl.perform() has no return val
# 将data中的数据保存到名为filename的WAV文件中
def save_wave_file(filename, data):
wf = wave.open(filename, 'wb')
wf.setnchannels(1)
wf.setsampwidth(2)
wf.setframerate(SAMPLING_RATE)
wf.writeframes(b"".join(data))
wf.close()
NUM_SAMPLES = 2000 # pyAudio内部缓存的块的大小
SAMPLING_RATE = 8000 # 取样频率
LEVEL = 1500 # 声音保存的阈值
COUNT_NUM = 20 # NUM_SAMPLES个取样之内出现COUNT_NUM个大于LEVEL的取样则记录声音
SAVE_LENGTH = 8 # 声音记录的最小长度：SAVE_LENGTH * NUM_SAMPLES 个取样
exception_on_overflow=False
# 开启声音输入ｐｙａｕｄｉｏ对象
pa = PyAudio()
stream = pa.open(format=paInt16, channels=1, rate=SAMPLING_RATE, input=True,
frames_per_buffer=NUM_SAMPLES)
token = get_token()#获取ｔｏｋｅｎ
key = '35ff2856b55e4a7f9eeb86e3437e23fe'
api = 'http://www.tuling123.com/openapi/api?key=' + key + '&info='
while(True):
# 读入NUM_SAMPLES个取样
string_audio_data = stream.read(NUM_SAMPLES,False);
# 将读入的数据转换为数组
audio_data = np.fromstring(string_audio_data, dtype=np.short)
# 计算大于LEVEL的取样的个数
large_sample_count = np.sum( audio_data > LEVEL )
temp = np.max(audio_data)
if temp > 2000 and t == 0:
t = 1#开启录音
print ("---------主人我在听你说！（5S）----------")
begin = time.time()
# print (temp)
if t:
#print (np.max(audio_data))
if np.max(audio_data)<1000:
sum += 1
# print (sum)
end = time.time()
if end-begin>5:
time_flag = 1
# print ("五秒到了，准备结束")
# 如果个数大于COUNT_NUM，则至少保存SAVE_LENGTH个块
if large_sample_count > COUNT_NUM:
save_count = SAVE_LENGTH
else:
save_count -= 1
if save_count < 0:
save_count = 0
if save_count > 0:
# 将要保存的数据存放到save_buffer中
save_buffer.append(string_audio_data )
else:
# 将save_buffer中的数据写入WAV文件，WAV文件的文件名是保存的时刻
#if time_flag:
if len(save_buffer) > 0 or time_flag:
#filename = datetime.now().strftime("%Y-%m-%d_%H_%M_%S") + ".wav"#原本是用时间做名字
filename = str(flag_num)+".wav"
flag_num += 1
save_wave_file(filename, save_buffer)
save_buffer = []
t = 0
sum =0
time_flag = 0
# print (filename, "保存成功正在进行语音识别")
use_cloud(token)
# print (duihua)
info = duihua
duihua = ""
request = api + str(info)
response = getHtml(request)
# print ( "-----1-----")
dic_json = json.loads(response)
a = dic_json['text']
unicodestring = a
# 将Unicode转化为普通Python字符串："encode"
utf8string = unicodestring.encode("utf-8")
print ("科塔娜："+str(a))
# 电脑说话
speech.say(str(a))
url = "http://tsn.baidu.com/text2audio?tex="+dic_json['text']+"&lan=zh&per=0&pit=1&spd=7&cuid=7519663&ctp=1&tok=25.41bf315625c68b3e947c49b90788532d.315360000.1798261651.282335-9120612"
os.system('mpg123 "%s"'%(url)) 新闻标题：使用python实现百度语音识别和图灵对话-创新互联
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