Generate a frequency, meditate, play with sound, or relax with white noise Oscillator: ★ Generate a tone with a given frequency. ★ Choose type of wave: Sine, Square, Sawtooth or Triangle. ★ Test your hearing. ★ The sound generator can simulate a dog whistle to help you train your dog by generating very high pitch sounds. ★ You may try to use this as a mosquito repellent app (anti mosquito), but be aware that several scientific studies have found that ultrasounds are not an effective solution to