US Patent 9698999 Natural language control of secondary device

Natural language controlled devices may be configured to activate command recognition in response to one or more wake words. Techniques are provided to enable a voice controlled system to detect or receive an indication of a secondary device available to be controlled. The voice controlled system communicates with the secondary device to obtain information related to the secondary device. The voice controlled system may output of an audio query requesting audio input data related to controlling the secondary device from a user and generate, based on the requested audio input data, recognition data utilized to recognize of at least part of one or more commands to issue one or more controls to the secondary device.