• angular_increment : voice_nav.voice_cmd_vel
• angular_speed : voice_nav.voice_cmd_vel
• cmd_vel_pub : voice_nav.voice_cmd_vel
• keywords_to_command : voice_nav.voice_cmd_vel
• linear_increment : voice_nav.voice_cmd_vel
• max_angular_speed : voice_nav.voice_cmd_vel
• max_speed : voice_nav.voice_cmd_vel
• msg : voice_nav.voice_cmd_vel
• paused : voice_nav.voice_cmd_vel
• rate : voice_nav.voice_cmd_vel
• soundhandle : talkback.TalkBack
• speed : voice_nav.voice_cmd_vel
• voice : talkback.TalkBack
• wavepath : talkback.TalkBack