def listen_wake_word():
global snowboy
snowboy = snowboydecoder.HotwordDetector(
"snowboy/examples/Python/resources/models/snowboy.umdl",
sensitivity=0.5)
print("starting thread snowboy")
snowboy.start(detected_callback=wakeword_detected, sleep_time=0.25)
def main(sensitivty_level):
header = "*******TEST WITH {} SENSITIVITY*******\n".format(
sensitivty_level)
record_result(header)
print(header)
start_info = "Test starts at {}\n".format(datetime.datetime.now().time())
print(start_info)
record_result(start_info)
global detector
detector = snowboydecoder_arecord.HotwordDetector(
"snowboy.pmdl", sensitivity=sensitivty_level)
detect_hotword()
end_info = "Test finishes at {}\n".format(datetime.datetime.now().time())
print(end_info)
record_result(end_info)
false_detections_info = "There were {} false detections\n".format(
false_detections)
print(false_detections_info)
record_result(false_detections_info)
interrupted = True
def interrupt_callback():
global interrupted
return interrupted
def myCallback():
print("OH my GOD!!!")
if __name__ == "__main__":
model = "heyneo.pmdl"
# capture SIGINT signal, e.g., Ctrl+C
signal.signal(signal.SIGINT, signal_handler)
detector = snowboydecoder_arecord.HotwordDetector(model, sensitivity=0.5)
print('Listening... Press Ctrl+C to exit')
# main loop
detector.start(
detected_callback=
myCallback, #detected_callback=snowboydecoder_arecord.play_audio_file,
interrupt_check=interrupt_callback,
sleep_time=0.03)
detector.terminate()
# return the hotword for current security setting
def get_hotword_set():
# connection to database which stores all security information
with sqlite3.connect(security_db) as connection:
cursor = connection.cursor()
cursor.execute("SELECT * FROM security")
# return the universal or personal model depending on settings
hotword_file = cursor.fetchall()[0][1]
print(hotword_file)
return "/home/pi/2019-ca400-randlea2/src/" + hotword_file
# get current hotword set from security table
detector = snowboydecoder_arecord.HotwordDetector(get_hotword_set(),
sensitivity=0.45)
def detected():
# hotword has been detected, start recording command keywords
detector.terminate()
subprocess.call(
["/home/pi/2019-ca400-randlea2/src/suspend_sound_services.sh"])
snowboydecoder_arecord.play_audio_file()
command_recogniser.query_user()
print("hotword detected")
def detect_hotword():
global detector
signal.signal(signal.SIGINT, signal_handler)
def signal_handler(signal, frame):
global interrupted
interrupted = True
def interrupt_callback():
global interrupted
return interrupted
if len(sys.argv) == 1:
logger.info('Error: need to specify ini file')
logger.info('Usage: python {0} [your ini file]'.format(__file__))
sys.exit(-1)
# capture SIGINT signal, e.g., Ctrl+C
signal.signal(signal.SIGINT, signal_handler)
detector = snowboydecoder_arecord.HotwordDetector(config.get(
'snowboy', 'model'),
sensitivity=[0.8, 0.8],
audio_gain=2.0)
logger.info('Listening... Press Ctrl+C to exit')
# main loop
detector.start(detected_callback=detectedCallback,
interrupt_check=interrupt_callback,
sleep_time=0.03)
detector.terminate()