Sine wave tone generator from 20 Hz to 20 kHz Why do we need a tone generator: - Testing headphones, speakers, amplifiers ... - Musical Instrument Tuning. - Removing water from speakers of the phone. - Hearing tests for children and adults. * * Pay attention to sound frequencies from the range of human speech. Reflex: turns his head towards the sound source. When moving the source of sound and perception by the ear of a given frequency - the head turns toward the source. The sound source can be located in front (with eyes closed) or behind the interlocutor.
