A sound reproducing apparatus includes a speaker, a microphone, and at least one processor. The at least one processor performs a process that includes hear-through processing and noise cancellation processing. The process also includes a storage task and a reading task. When detecting an occurrence of the trigger, the reading task reads control information of the event information of which execution is instructed by the trigger. The reading task also executes the hear-through processing and the noise cancellation processing in the signal processing task.