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# A speach transcriber using the google speech recognizer and then dsplaying it on the lcd of a raspberry pi
from rpi_lcd import LCD
import RPi.GPIO as GPIO
import speech_recognition as sr
from time import sleep
import sounddevice
import os
r = sr.Recognizer()
lcd = LCD()
mic = sr.Microphone()
beepPin = 17
allow = False
def stream():
print("starting live steam")
# starting the motion live stream
os.system('motion')
# Listening to the user's voice and putting it into a variable
def listen_voice():
global audio
with mic as source:
r.adjust_for_ambient_noise(source)
audio = r.listen(source)
return audio
# Transcribing the audio to text and printing it out
# Using the google speech recognizer
# Google speech recognizer does require a internet connection
def recognize_speech(audio):
error = "400"
r_error = "401"
try:
words = r.recognize_google(audio)
lcd.text(words, 1)
print(f"Printing on screen: {words}")
password = "linux"
while allow == False:
if words == password:
allow = True
print("That's the password!!!")
stream()
except sr.UnknownValueError:
lcd.text(error, 1)
print(error)
except sr.RequestError:
lcd.text(r_error, 1)
print(r_error)
def setup():
print("clearing the lcd screen")
lcd.clear()
print("setting up the system")
GPIO.setmode(GPIO.BCM)
GPIO.setup(beepPin, GPIO.OUT, initial=GPIO.HIGH)
def main():
while True:
audio = listen_voice()
recognize_speech(audio)
GPIO.output(beepPin,GPIO.HIGH)
sleep(0.5)
GPIO.output(beepPin,GPIO.LOW)
def destroy():
lcd.clear()
if __name__ == '__main__':
# Clearing the lcd before starting the program
print("setting up the alarm")
setup()
try:
main()
except KeyboardInterrupt:
destroy()
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