So in this project we will use a normalElectret Condenser microphone with Arduinoand try measuring the sound or noise pollution level in dB as close as possible to the actual value. We will use a normal amplifier circuit to amplify the sound signals and feed it to Arduino in which we will...
*** Decibel Level Table*** 0-20dB is very quiet and almost impossible to feel 20-40dB Quiet, Soft Talk 40-60dB Normal, ordinary indoor talking 60-70dB noise, sp…
79 dB SPL 立體音效配對 將兩個 Beosound Level 立體音效聆賞體驗。 進階音效功能 主動式空間補償 位置依賴音場表現 防熱保護 自適應低音線性化 防塵防水等級 IP54 尺寸(寬x高x深) 寬34.8 x 高 23 x 深 5.6 公分 重量 3.3 公斤 電源供應器 Power supply built-in USB-C Power ...
3-In-1 Decibel Meter Sound Level Reader + Humidity & Temperature. Classroom Noise Meter, SPL & DB Meter for Add $45.32current price $45.323-In-1 Decibel Meter Sound Level Reader + Humidity & Temperature. Classroom Noise Meter, SPL & DB Meter for GM1352 Digital Sound Level Meter Noise...
Sound pressure p Pa | Sound level Lp dB (SPL) | Sound level LI dB (SIL) Sound intensity I W/m2 | Sound propagation in air | Fill in the gray top box and click on the calculation button. 1 Pa = 1 pascal = 1 N/m2. The atmospheric pressure is not the same as the sound pres...
iPhone Description Easy to use sound level meter with great accuracy of measurements What’s New 3 Feb 2016 Version 1.0.1 This app has been updated by Apple to display the Apple Watch app icon. New features App Privacy The developer,YULIYA SHNITKO, indicated that the app’s privacy practices...
Offers In-App Purchases iPhone Screenshots Description An app that can provide real-time distributed data, with the following features: -High precision measurement, real-time measurement -Provide location information for measurement -Provide detailed measurement reports ...
±1.5dB Frequency range: 31.5Hz to 8.5K Hz Resolution 0.1dB Frequency weighting: A and C Analogy bar graph 1dB or 1 bar graph Level ranges: 30-80dB; 50-100dB; 60-110 dB; 80-130dB Packaging and delivery Packaging Details Power: 9V battery or DC 9V 100mA ...
of a wave propagating along a level, perfectly absorbent floor falls off at the rate of 12 decibels for each factor of two in distance from the source. This additional attenuation leads to the necessity of sloping the seats of an auditorium in order to retain a good sound level in the ...
Sound level meter Measure 30-130dBA Noise Decibel Testers with Time clock Smart Sensor for Indoor room test noise condition, You can get more details about Sound level meter Measure 30-130dBA Noise Decibel Testers with Time clock Smart Sensor for Indoor