安装阿里云的依赖
bash
git clone https://github.com/aliyun/alibabacloud-nls-python-sdk.git
bash
cd alibabacloud-nls-python-sdk/
bash
python -m pip install -r requirements.txt
bash
python -m pip install .准备pcm的文件
https://support.huaweicloud.com/sdkreference-sis/sis_05_0039.html
准备调用的token和appId
准备代码
bash
import time
import threading
import nls
URL = "wss://nls-gateway-cn-shanghai.aliyuncs.com/ws/v1"
TOKEN = "016ca1620aff421da8fac81b9fb52dc5" # 参考https://help.aliyun.com/document_detail/450255.html获取token
APPKEY = "ahS8ZDaimkpWALHi" # 获取Appkey请前往控制台：https://nls-portal.console.aliyun.com/applist
# 以下代码会根据音频文件内容反复进行实时语音识别（文件转写）
class TestSt:
def __init__(self, tid, test_file):
self.__th = threading.Thread(target=self.__test_run)
self.__id = tid
self.__test_file = test_file
def loadfile(self, filename):
with open(filename, "rb") as f:
self.__data = f.read()
def start(self):
self.loadfile(self.__test_file)
self.__th.start()
def test_on_sentence_begin(self, message, *args):
print("test_on_sentence_begin:{}".format(message))
def test_on_sentence_end(self, message, *args):
print("test_on_sentence_end:{}".format(message))
def test_on_start(self, message, *args):
print("test_on_start:{}".format(message))
def test_on_error(self, message, *args):
print("on_error args=>{}".format(args))
def test_on_close(self, *args):
print("on_close: args=>{}".format(args))
def test_on_result_chg(self, message, *args):
print("test_on_chg:{}".format(message))
def test_on_completed(self, message, *args):
print("on_completed:args=>{} message=>{}".format(args, message))
def __test_run(self):
print("thread:{} start..".format(self.__id))
sr = nls.NlsSpeechTranscriber(
url=URL,
token=TOKEN,
appkey=APPKEY,
on_sentence_begin=self.test_on_sentence_begin,
on_sentence_end=self.test_on_sentence_end,
on_start=self.test_on_start,
on_result_changed=self.test_on_result_chg,
on_completed=self.test_on_completed,
on_error=self.test_on_error,
on_close=self.test_on_close,
callback_args=[self.__id]
)
print("{}: session start".format(self.__id))
r = sr.start(aformat="pcm",
enable_intermediate_result=True,
enable_punctuation_prediction=True,
enable_inverse_text_normalization=True)
self.__slices = zip(*(iter(self.__data),) * 640)
for i in self.__slices:
sr.send_audio(bytes(i))
time.sleep(0.01)
sr.ctrl(ex={"test": "tttt"})
time.sleep(1)
r = sr.stop()
print("{}: sr stopped:{}".format(self.__id, r))
time.sleep(1)
def multiruntest(num=500):
for i in range(0, num):
name = "thread" + str(i)
t = TestSt(name, "16k16bit.pcm")
t.start()
if __name__ == "__main__":
nls.enableTrace(False)
multiruntest(1)测试
bash
thread0: session start
test_on_start:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionStarted","status":20000000,"message_id":"a87ccd06ee51400b84e15ce4f0c01067","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."}}
test_on_sentence_begin:{"header":{"namespace":"SpeechTranscriber","name":"SentenceBegin","status":20000000,"message_id":"a7e06dc6e92a4afdabe17a2d9c5f3884","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":0}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"64671fca85a040bb8bd163c92d289dc9","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":360,"result":"为手","confidence":0.591,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"21b9241e5ae64b618e3983071b74a166","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":360,"result":"为手。","confidence":0.874,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"325cfaaad31841e4bd4118e8d0edff43","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":1200,"result":"华为致力于","confidence":0.863,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"ea3368f7172c43a9a601e5c7e249da2e","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":1680,"result":"华为致力于把","confidence":0.868,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"be1797391197403797fdaaf472768d1d","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":2160,"result":"华为致力于把数字","confidence":0.872,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"fb2b2283f8944346a064d07d13c35aff","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":2640,"result":"华为致力于把数字世界带","confidence":0.866,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"98116e180f8b4411a691535a5a025920","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":3120,"result":"华为致力于把数字世界带入每个","confidence":0.872,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"3796787124094db4a8fe25e3fcdf624c","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":3600,"result":"华为致力于把数字世界带入每个人每","confidence":0.87,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"23cd2f31e4c64d55b8c06d13caa5e6b7","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":4080,"result":"华为致力于把数字世界带入每个人每个家","confidence":0.872,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"3fe3e290cc1c489eadc1d7fad01c83ec","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":4560,"result":"华为致力于把数字世界带入每个人、每个家庭、每个","confidence":0.875,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"64c836342f7a4b3ab448c9d2cf9cc100","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":5120,"result":"华为致力于把数字世界带入每个人、每个家庭、每个组","confidence":0.875,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"0023c5a3a635458bbd642a12c0a7fa8d","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":5520,"result":"华为致力于把数字世界带入每个人、每个家庭、每个组织构建","confidence":0.878,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"90e4697a2e1746139215f7d72fb02192","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":6000,"result":"华为致力于把数字世界带入每个人、每个家庭、每个组织，构建万物","confidence":0.879,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"8d9acdbf79d14d608c90e77dc53e0fc4","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":6480,"result":"华为致力于把数字世界带入每个人、每个家庭、每个组织，构建万物互联的","confidence":0.88,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_chg:{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionResultChanged","status":20000000,"message_id":"9ce6e97a33c541d1927b610a5e23f687","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":7000,"result":"华为致力于把数字世界带入每个人、每个家庭、每个组织，构建万物互联的智能世","confidence":0.877,"words":[],"status":0,"fixed_result":"","unfixed_result":""}}
test_on_sentence_end:{"header":{"namespace":"SpeechTranscriber","name":"SentenceEnd","status":20000000,"message_id":"ad378437552e418f90168ff2bd0d6d94","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."},"payload":{"index":1,"time":7000,"result":"华为致力于把数字世界带入每个人、每个家庭、每个组织，构建万物互联的智能世界。","confidence":0.879,"words":[],"status":0,"gender":"","begin_time":0,"fixed_result":"","unfixed_result":"","stash_result":{"sentenceId":2,"beginTime":7000,"text":"","fixedText":"","unfixedText":"","currentTime":7000,"words":[]},"audio_extra_info":"","sentence_id":"593ac4db6b33408db5927eef442a1b4e","gender_score":0.0}}
on_completed:args=>('thread0',) message=>{"header":{"namespace":"SpeechTranscriber","name":"TranscriptionCompleted","status":20000000,"message_id":"0900e28af582436b8655cf1165c2a49e","task_id":"041494fd76a84b6baa96d58676c8a8fd","status_text":"Gateway:SUCCESS:Success."}}
thread0: sr stopped:None
on_close: args=>('thread0',)