Python Snippets

speech_to_text.py

#   # A Python program to convert speech to text


# Pakages to install:                       
#           pip install SpeechRecognition
#           pip install pipwin
#           pipwin install pyaudio


import speech_recognition as sr

#   initialize a recognizer object
#   this object will record the audio and recognize the language of the audio, i.e, english, russian, chinese, etc.
r = sr.Recognizer()

#   initialize the Microphone object as the source of audio file
with sr.Microphone() as source:
    print("Please speak anything :")
    #   calling the recognizer object to listen the audio from the source
    #   you can also pass your google cloud speech API key through the key parameter(key="YOUR_GOOGLE_CLOUD_SPPECH_API_KEY")
    audio = r.listen(source)
    try:
        #   now the audio will be recognized by google cloud speech API and converted to text   
        text = r.recognize_google(audio)
        print(text)
    except :
        print("Sorry ! Speech Recognition failed !")

text_to_speech.py

# A Python program to convert text to speech


# Packages to install:
#               pip install gtts
#               pip install pydub
#               pip install ffmpeg-python

from gtts import gTTS
from pydub import AudioSegment
from pydub.playback import play
import time, os

def tts(text, lang):
    
    #   gTTS object that will create the audio file of the given text
    TextAudio = gTTS(text = text, lang=lang)
    
    #   filepath to save the audio file in the desired directory
    filePath = './tmp/audio.mp3'
    TextAudio.save(filePath)

    #   playback of the audio and removal on exit
    audio = AudioSegment.from_mp3(filePath)
    print('Playing...')
    play(audio)
    os.remove(filePath)

if __name__ == "__main__":
    tts('India is a beautiful country', 'en')
    tts('India ek sundar desh hai', 'hi')

translate.py

#   A Python program to translate text in different languages


#  Packages to install:
#               pip install googletrans

from googletrans import Translator

def translate(text, lang):
    #   an instance of Translator object
    translator = Translator(service_urls=['translate.google.com', 'translate.google.co.in'])
    #   Translate text from source language to destination language
    trans = translator.translate(text = text, dest = lang)
    #   to check if the user is passing a list of strings
    if isinstance(trans, list):
        for translations in trans:
            if translations.pronunciation == None:
                print(translations.text, '\n')
            else:
                print(translations.text, '->', translations.pronunciation, '\n')
    else:
        if trans.pronunciation == None:
            print(trans.text, '\n')
        else:
            print(trans.text, '->', trans.pronunciation, '\n')

if __name__ == "__main__":
    #   My favourite quote by El profesor from Money Heist
    translate( 'When someone is in love, they look through rose-tinted glasses. Everything is wonderful. They transform into a soft teddy bear that is smiling all the time.', 'es')
    #   Breaking down that quote into list
    translate(['When someone is in love', 'they look through rose-tinted glasses', 'Everything is wonderful.', 'They transform into a soft teddy bear that is smiling all the time.'], 'es')

    #   some other translation examples
    translate('I am a young man', 'es')
    translate('この文章は日本語で書かれました。', 'en')
    translate('안녕하세요.', 'ja')