实时语音识别

https://aiapi.jdcloud.com/jdai/cc_rt_asr

POST

python
# 注意：
# audiofile：待识别的音频文件，默认测试音频文件为16k_audio.wav
# packagelen：音频切分长度

#coding=utf-8
import requests
import json
import sys
import uuid
import hashlib
from urllib.parse import urlencode
import sys
import importlib
importlib.reload(sys)

url = 'https://aiapi.jd.com/jdai/rt_asr'

encode = {
    'channel':1,
    'format':'wav',
    'sample_rate':16000,
    'punc_end_process':-1,
    'post_process':-1
}

Property = {
    'platform':'Linux&Centos&7.3',
    'version':'0.0.0.1',
    'encode':encode
}

query = {
    'appkey':'your appkey',
    'timestamp':'',
    'sign':''
    }

audiofile = '16k_audio.wav'
secretkey = 'your secretkey'

def test_single(audiofile, packagelen):
    query['timestamp'],query['sign'] = sign(secretkey)
    url_query = '?'.join([url, urlencode(query)])
    headers = {
        'Content-Type':'application/octet-stream',
        'Domain':'general',
        'Application-Id':'123456789',
        'Request-Id':str(uuid.uuid1()),
        'Sequence-Id':str(-1),
        'Asr-Protocol':str(1),
        'Net-State':str(2),
        'Applicator':str(1),
        'Property':json.dumps(Property)
    }
    seq = 1
    with open(audiofile, 'rb') as f:
        while True:
            body=f.read(int(packagelen))
            if not body or len(body) < int(packagelen):
                headers['Sequence-Id'] = str(-seq)
            else:
                headers['Sequence-Id'] = str(seq)
            print headers
            r = requests.post(url, headers=headers, data=body)
            seq += 1
            if not body:
                break
    print r.text

def sign(secretkey):
    m = hashlib.md5()
    nowTime = int(time.time() * 1000)
    before = secretkey + str(nowTime)
    m.update(before.encode('utf8'))
    return str(nowTime), m.hexdigest()

if __name__ == '__main__':
    audiofile = sys.argv[1] if len(sys.argv) > 2 else audiofile
    packagelen = sys.argv[2] if len(sys.argv) > 2 else packagelen
    test_single(audiofile, packagelen)

Json
{
    "code": "10000",
    "charge": false,
    "remainTimes": 4998,
    "remainSeconds": -1,
    "msg": "查询成功",
    "result": {
        "request_id": "56a847e6-84c0-4c01-bf4b-d566f2d2dd11",
        "status": 0,
        "index": -1,
        "message": "",
        "content": [
            {
                 "text": "你好 京东",
                    "start_time": 1690,
                    "end_time": 3938

            }
        ]
    }
}