1. A speech recognition terminal device capable of communicating with a predetermined speech recognition device that carries out speech recognition, the speech recognition terminal device comprising: a speech acquisition device that acquires a speech command spoken by a user; a request device that requests the speech recognition device to carry out the speech recognition of the speech command acquired by the speech acquisition device; a determination device that determines a content of a filler word for filling a waiting time until a result of the speech recognition of the speech command requested from the request device is obtained from the speech recognition device, a filler speaking device that outputs the content of the filler word, which is determined by the determination device, as speech information during the waiting time; a response device that, when the result of the speech recognition is acquired from the speech recognition device, executes a process of responding to the user based on the acquired result of the speech recognition, and a sub-recognition device that recognizes a spoken content of the speech command acquired by the speech acquisition device, wherein the determination device creates the content of the filler word containing at least part of the spoken content of the speech command acquired by the speech acquisition device, and the determination device creates the filler word by applying at least part of the spoken content of the speech command recognized by the sub-recognition device to a template of preset filler word.