Files
teleoperation/script/speech.py
2019-01-30 17:37:26 +01:00

82 lines
2.2 KiB
Python
Executable File

#! /usr/bin/env python
import os
import rospy
import actionlib
from naoqi import ALProxy, ALModule, ALBroker
speech_broker = None
almem = None
sas = actionlib.SimpleActionServer()
def request_speech(goal):
recognized = ''
if not speech_detector.start_speech(goal):
sas.publish_feedback(False)
return
while not sas.is_preempt_requested() and not speech_detector.have_word():
rospy.Rate(10).sleep()
speech_detector.stop_speech(goal)
if speech_detector.have_word():
recognized = speech_detector.get_recognized_and_erase()
sas.publish_feedback(True)
sas.set_succeeded(recognized)
class SpeechDetectorModule(ALModule):
def __init__(self, name):
ALModule.__init__(self, name)
self.recognized = None
self.subid = 'teleoperation_speech'
self.asr = ALProxy('ALSpeechRecognition')
self.asr.setLanguage('English')
self.stop_speech()
def start_speech(self, voc):
if self.running:
return False
# self.stop_speech()
self.asr.setVocabulary(voc, False)
self.asr.subscribe(self.subid)
self.asr.pause(False)
self.running = True
return True
def have_word(self):
return self.recognized is not None
def get_recognized_and_erase(self):
result = self.recognized
self.recognized = None
return result
def stop_speech(self):
self.asr.pause(True)
self.asr.unsubscribe(self.subid)
self.running = False
def on_word_recognized(self, *_args):
rospy.loginfo(almem.getData('WordRecognized'))
if __name__ == '__main__':
rospy.init_node('speech')
speech_broker = ALBroker('speech_broker', '0.0.0.0', 0,
os.environ['NAO_IP'], 9559)
speech_detector = SpeechDetectorModule('speech_detector')
almem = ALProxy('ALMemory')
almem.subscribeToEvent("WordRecognized",
"speech_detector",
"on_word_recognized")
speech_detector.start_speech(['start', 'stop', 'pause'])
while not rospy.is_shutdown():
rospy.Rate(4).sleep()
speech_detector.stop_speech()
speech_broker.shutdown()