Decibel / Intensity Problem, How do I approach it? ASAP.!! I have a question, I dont know how to approach it.. I couldnt find a way.. 1.Suppose that the sound level of a conversation is Initially at an angry 70 dB and then drops to a soothing 50 dB. Assuming that the frequency of the sound is 500 Hz, determine, a. Initial and final sound intensities b. Initial and final sound wave amplitude.? Can anyone help me please..