It turns your iOS device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you. 74. This free hearing test on line is an interactive test to produce equal loudness curves or equal loudness congtours. The airborne sound insulation test is carried out by means of a loudspeaker emitting a steady source of noise on one side of the partition (wall or floor) to be measured. These sound level meters and decibel meters can display instant readings in dB or they can measure and record total sound exposure and noise pollution over extended periods of time. 99. Other option New from £18.95. Use this sound test to quickly find out, without leaving the browser. Join Prime to save £4.55 on this item. "Decibel X" is one of very few noise meter apps on the market that has highly reliable, pre-calibrated measurements and supports dBA, dBC. 4.1 out of 5 stars 18. 17500 was similar. an office in which 20 dB of insulation would reduce the sound level to near threshold levels. Low and behold, I loaded Sound Forge and began to generate tones, piping them through my MOTU Audio Express instead, plugged into the mixer as well. £59.99 £ 59. The corresponding sound level is measured on the other side of the partition. It is rare to find an office whose sound level is as low as 20 dB – i.e. Get it Tomorrow, Nov 24. Get it Thursday, Dec 3. This extremely useful and beaut… Decibel Meter,VLIKE LCD Digital Audio Noise Level Meter Sound Level Meter Monitor dB Meter Measuring 30 dB to 130 dB Tester with dbA and dBC Mode (Batteries not include) 4.4 out of 5 stars 354. FREE Delivery by Amazon. I was fully prepared not to hear anything at 17000 HZ, but I got a very sharp, high frequency tone. 5% coupon applied at checkout Save 5% with voucher. CAMWAY Digital Noise Meter Sound Level Meter, Decibel Meter Volume … Both wearing Audio Technica headphones. £22.74 £ 22. Click on the left-facing arrow to play a tone through your left speaker, and click on the right-facing arrow to play a tone through your right speaker. FREE Delivery by Amazon. Decibel meters and sound meters are ideal for monitoring or testing sound in the workplace, hospitals, schools, factories and designated quiet zones. CAMWAY Digital Noise Meter Sound Level Meter, Decibel Meter Volume Measuring Range 35-135dB(A), Max/Min/Hold Data Hold, Self-Calibrated Decibel Monitoring Tester,with LCD Backlight.
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