We have many Sound ic, Integrated Circuit,ICs ,voice ic, sound chip, music ics, duration time ranges from10 to 340 seconds. ... user selectable in ranges from 10 to 340 seconds,depanding on the specific device. The sampling frequency of each device can ... cooker, rice cooker, electric pressure cookers, air conditioner and so on).* Intercom, Building intercom, video door phone, door bell, MIDI, system ...