أرسل هذا في رسالة قصيرة: Insonified experimental area showing Sound Pressure Levels (RMS) (dB re 1 µPa) recorded at (<i>a</i>) 7 cm, (<i>b</i>) 13.5 cm, and (<i>c</i>) 20 cm water depth for (<i>i</i>) 170 Hz (sinewave) tonal treatment; and 120–3000 Hz broadband masking noise recorded (<i>ii</i>) across the broadband noise frequency range, and (<i>iii</i>) within the 1/3^rd octave band.