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15.3. 云平台语音SDK

15.3.1. Baidu AipSpeech

		
pip install baidu-aip		
		
			
		
		
		
			

15.3.2. Google Cloud Speech API

使用谷歌产品先要会使用科学上网,你懂得!

			
import speech_recognition as sr
 
r = sr.Recognizer()
with sr.Microphone() as source:
    print("Say something!")
    audio = r.listen(source)
try:
    text = r.recognize_google(audio)
    print("You said: " + text)
except sr.UnknownValueError:
    print("Google Speech Recognition could not understand audio")
except sr.RequestError as e:
    print("Could not request results from Google Speech Recognition service" + format(e))			
			
			

指定默认语言

			
text = r.recognize_google(audio, language='zh-CN', show_all= True)	
text = r.recognize_google(audio_data, language=”es-ES”)	
			
			

15.3.3. IBM Speech to Text

使用IBM的服务需要一个云账号 IBM Cloud ,如你你没有请先注册一个账号,然后创建 Speech To Text 服务。

测试 Speech to Text 是否正常工作

			
neo@MacBook-Pro-Neo ~/workspace/python/speech % wget https://watson-developer-cloud.github.io/doc-tutorial-downloads/speech-to-text/audio-file.flac	

neo@MacBook-Pro-Neo ~/workspace/python/speech % curl -X POST -u "apikey:eXuTdDOg_l7Ljp5bV8NpFsswVq58ebf2Kr-K5dpp5SZK" \
--header "Content-Type: audio/flac" \
--data-binary audio-file.flac \
"https://api.au-syd.speech-to-text.watson.cloud.ibm.com/instances/8a7df79c-c8fe-4e31-8000-c44bbd025b22/v1/recognize"
			
			

			
#!/usr/bin/env python3

import speech_recognition as sr
import ssl

ssl._create_default_https_context = ssl._create_unverified_context

# obtain path to "english.wav" in the same folder as this script
from os import path
# AUDIO_FILE = path.join(path.dirname(path.realpath(__file__)), "english.wav")
# AUDIO_FILE = path.join(path.dirname(path.realpath(__file__)), "french.aiff")
AUDIO_FILE = path.join(path.dirname(path.realpath(__file__)), "chinese.flac")
print(AUDIO_FILE)

# use the audio file as the audio source
r = sr.Recognizer()
with sr.AudioFile(AUDIO_FILE) as source:
    audio = r.record(source)  # read the entire audio file


try:
    print("IBM Speech to Text thinks you said " + r.recognize_ibm(audio, username="netkiller@msn.com", password="******"))
except sr.UnknownValueError:
    print("IBM Speech to Text could not understand audio")
except sr.RequestError as e:
    print("Could not request results from IBM Speech to Text service; {0}".format(e))