python 上传百度语音识别+文字返回结果

时间：2025-05-09 15:04:43

1文字生成语音

#!/usr/bin/python3

import urllib.request

import requests#导入requests库

import urllib

import json

import base64

class BaiduRest:

    def __init__(self, cu_id, api_key, api_secert):

        # token认证的url

        self.token_url = "https://openapi.baidu.com/oauth/2.0/token?grant_type=client_credentials&client_id=%s&client_secret=%s"

        # 语音合成的resturl

        self.getvoice_url = "http://tsn.baidu.com/text2audio?tex=%s&lan=zh&cuid=%s&ctp=1&tok=%s"

        # 语音识别的resturl

        self.upvoice_url = 'http://vop.baidu.com/server_api'

        self.cu_id = cu_id

        self.getToken(api_key, api_secert)

        return

    def getToken(self, api_key, api_secert):

        # 1.获取token

        token_url = self.token_url % (api_key,api_secert)

        r_str = requests.get(token_url).text

        token_data = json.loads(r_str)

        self.token_str = token_data['access_token']

        pass

    def getVoice(self, text, filename):

        # 2. 向Rest接口提交数据

        get_url = self.getvoice_url % (urllib.parse.quote(text), self.cu_id, self.token_str)

        voice_data = urllib.request.urlopen(get_url).read()

        # 3.处理返回数据

        voice_fp = open(filename,'wb+')

        voice_fp.write(voice_data)

        voice_fp.close()

        pass

    def getText(self, filename):

        # 2. 向Rest接口提交数据

        data = {}

        # 语音的一些参数

        data['format'] = 'wav'

        data['rate'] = 8000

        data['channel'] = 1

        data['cuid'] = self.cu_id

        data['token'] = self.token_str

        wav_fp = open(filename,'rb')

        voice_data = wav_fp.read()

        data['len'] = len(voice_data)

        data['speech'] = base64.b64encode(voice_data).decode('utf-8')

        post_data = json.dumps(data)

       # data=bytes(post_data,encoding="utf-8")

        url=self.upvoice_url+post_data

        r_data = requests.get(url).text

        # 3.处理返回数据

        return json.loads(r_data)['result']

if __name__ == "__main__":

    # 我的api_key,供大家测试用，在实际工程中请换成自己申请的应用的key和secert

    api_key = "SrhYKqzl3SE1URnAEuZ0FKdT"

    api_secert = "hGqeCkaMPb0ELMqtRGc2VjWdmjo7T89d"

    # 初始化

    bdr = BaiduRest("test_python", api_key, api_secert)

    # 将字符串语音合成并保存为out.mp3

    bdr.getVoice("你好北京邮电大学!我是瑶瑶", "out.mp3")

    # 识别test.wav语音内容并显示

    print(bdr.getText("1.wav"))

　　

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