Disclosed are a speech recognition apparatus for speech recognition, and a method therefor. A speech recognition method for speech recognition includes detecting an event during a first spoken utterance, transmitting a suspension request signal requesting suspension of signal processing for the first spoken utterance at the point in time when the event is detected, and waiting for recognition of a second spoken utterance. According to the present disclosure, by canceling an erroneously spoken utterance through 5G network service and AI algorithm, a speech recognition process can proceed rapidly.