Don’t worry about other scales for now - the "C" scale is the best match for the way we hear. Don’t worry, these gadgets are not expensive or difficult to use.Īlthough unit-by-unit differences exist, here’s a brief overview of the calibration process:ġ) Set your SPL meter to "C" weighting. Although most owner’s manuals state that you can do this by ear, we recommend that you use a sound pressure level meter (SPL meter) for real accuracy. After you’ve done this, you can use the master volume control to change overall system level without affecting critical channel-to-channel relationships.Īfter you’ve placed all the speakers in your surround system you’ll need to calibrate the system by adjusting each channel’s level (or "trim") control individually. In other words, a well-designed surround sound system will let you compensate for different speaker placements and differing speaker efficiencies. That’s why all surround systems give you some way of adjusting relative levels for each channel individually so that they all sound equally loud at your ears.
#DECIBLE MEETER MOVIE#
Level balancing (using your Denon’s built-in test tone generator) makes sure that your system is precisely calibrated to match the acoustical properties of your room, just as technicians do when they’re installing a high quality sound system in a movie theater.Īfter you’ve calibrated your system, any difference in inter-channel levels will be totally controlled by the audio signal from the software you’re playing, and not influenced by some room-specific or system-specific artifact.
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