With a high-contrast TFT-LCD color display, the handheld RION NA-28 sound-level meter and real-time analyzer simultaneously measures and displays 1/3 and 1/1 octave bands. It can also store up to ...

Sound is pressure — the louder the sound, the greater the pressure. The greater the pressure, the more damage it can do to your ears. If you’re in a noisy environment, it’s important to know how ...

This Design Idea describes a battery-operated, portable sound level meter (Figure 1). Its portability makes it useful for detecting the source of noise in automotive ...

With a calibration DVD and sound level meter in hand, you can play a test pattern and set levels for your speakers. It also is a good idea to set all treble and bass controls to 0 as well. Set your ...