A Polish advertiser takes advantage of presbycusis* an age related hearing loss that prevents suffering adults from hearing certain frequency ranges. In this “childproof commercial”, the producer used an 18,000 Hz sound effect to supposedly annoy younger listeners thereby keeping them away from getting the message.
CYFRA is a leading Polish digital TV provider. Their job was to tell people about their parental control system.
Advertising agency decided to create a commercial for adults and adults only. They took advantage of the scientific fact that people loose their ability to hear high frequency sounds when getting older. According to experts 18,000 Hz can be heard only by people under 21 years of age.