An audio signal generation device (20) includes: an acquirer (210) configured to acquire biological information of a human subject； an audio signal generator (245) configured to generate an audio signal based on at least one of a plurality of pieces of sound information； and a switching cycle decider (241) configured to decide a switching cycle, such that first sound information switches to second sound information at a cycle that is in accordance with the biological information, the first sound information and the second sound information being included in the plurality of sound information pieces, and the audio signal generator (245) generates an audio signal based on the second sound information, at the switching cycle decided by the switching cycle decider (241).
