The human ear responds more to frequencies between 500 Hz and 8 kHz and is less sensitive to very low-pitch or high-pitch noises. The frequency weightings used in sound level meters are often related to the response of the human ear, to ensure that the meter is measuring pretty much what you actually hear. It is extremely important that sound level measurements are made using the correct frequency weighting - usually A-weighting.
'Bonanza,' 'Trapper John, M.D.' star Pernell Roberts dies. Pernell Roberts portrayed Dr. John McIntyre on Trapper John, M.D..
This happened with Bonanza. Pernell Roberts was the best actor on the series, and Adam Cartwright lent a sense of rationality and calm to the frenetics of Ben, Hoss, and Little Joe.He was so subtle, yet stole each and every scene he was in. He was like cool water to a fever.ernell Roberts was the best actor on the series, and Adam Cartwright lent a sense of rationality and calm to the frenetics of Ben, Hoss, and Little Joe.