• __init__() : recognizer.recognizer , voice_cmd_vel.voice_cmd_vel
• application_message() : recognizer.recognizer
• asr_partial_result() : recognizer.recognizer
• asr_result() : recognizer.recognizer
• cleanup() : voice_cmd_vel.voice_cmd_vel
• final_result() : recognizer.recognizer
• partial_result() : recognizer.recognizer
• shutdown() : recognizer.recognizer
• speechCb() : voice_cmd_vel.voice_cmd_vel
• start() : recognizer.recognizer
• stop() : recognizer.recognizer