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dB Meter & Spectrum Analyzer
dB Meter & Spectrum Analyzer Vs. Sound Level Analyzer PRO

dB Meter & Spectrum Analyzer vs Sound Level Analyzer PRO Usage & Stats

"The best way to meter sound levels" - AppAdvice Decibel Meter is full of features sound level meter with exclusive accuracy of measurements and integrated spectrum analyzer. Calibrated with professional dB meter. The world is a noisy place: cars, power tools, crowds, machinery, and other common sources produce amounts of noise that can, with continued exposure, lead to permanent hearing loss. Sound level meters are useful for anyone who wants to avoid exposing their ears to harmful noise levels, but who wants to spend hundreds of dollars on one? dB Meter is free app which provides professional-quality measurement results, calibrated using an actual Nor140 high-precision decibel meter. With dB Meter, you can measure ambient noise levels, save your measurements and their locations, and share your measurements with others. dB Meter couples utility with stylish design and a polished user experience: a powerful tool in a sleek package, and at a tiny fraction of the cost of professional sound level meters. (Please note that dB Meter soundmeter app is not a replacement for professional devices and should be used for personal purposes only.) FEATURES: ● Health App integration. Export measured noise levels and audiogram directly to Health app. ● Noise dosimeter regarding NIOSH and OSHA standards ● Photo & video with the noise overlay ● Powerful hearing test ● Saves location data for each measurement. ● Save measurements with custom names and rename existing measurements. ● Export measurements in CSV or Audio format. ● Allows you to save, export and play back recorded measurements. ● Highly accurate measurements. ● Integrated Fully Functional Spectrum Analyzer ● Octave Band Real Time Analyzer ● FFT Plot (Fast Fourier Transform) ● Spectrogram ● Linear and logarithm scales ● Up to 16384 FFT size ● A lot of available window functions ● Tracking for max value ● Max and Min for any selected frequency ● Stunned graphics You can enable or disable noise levels data exporting to Health app in dB Meter Pro app settings. Have any questions or suggestions? Write to us: support@dbmeterpro.com DB Chart 150-160 dB = Eardrum rupture 140 decibel = Aircraft carrier deck. 130 dB = Jet take-off (100 meters), gun blast at close range. 120 dB= Human pain threshold, loud rock concert. 110 decibel = Serious hearing damage if sustained for more than 1 hour. 100 dB = Serious hearing damage if sustained for more than 8 hours. 90 decibel = Likely hearing damage if sustained for more than 8 hours. 80 decibel = Potential but unlikely hearing damage if sustained for more than 8 hours. 70 dB = Just annoying, but probably safe. 60 dB= Typical conversational volume. 50 dB = A quiet, library conversation. 40 decibel = A whisper. 30 dB= Barely audible sound. 20 decibel= Threshold of human hearing.

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Sound Level Analyzer PRO

"Sound Level Analyzer PRO" is a new integrated sound measurement app with sound level measurement and powerful sound analysis tools. It can display automatically the instantaneous sound level such as environmental noise, specific sound sources, live sounds in real-time. In addition, this app has advanced sound analysis functions that can perform "Power Spectrum Analyzer", "Time Course graph", and "Statistical Analysis (Histogram, Percentile Level)". It can be used to analyze characteristics and trends of occurrence for the noise/sound source. # Measurement functions Main : Sound level measurement (real time display) - Sound level measurement (dB): Leq (equivalent noise level), Min (minimum value), Max (maximum value), Avg (time average equivalent noise level) - Frequency weighting correction characteristics : A (for noise level meter), C (for sound level measurement), Z (no correction) - Time weighting characteristics : Fast = 0.125 sec, Slow = 1.0 sec Power Spectrum (P.S.) : View of frequency spectrum analysis (real-time display) - Spectrum analyzer function : FFT analysis, 1/3-octave band response analysis. - FFT frequency range settings : 100Hz - 20kHz (FFT All) / 100Hz - 3kHz / 3kHz - 6kHz - Measured value display function in 1/3 oct band response analysis. (OctVal.) - Power spectrum display function at the occurrence time of maximum level. (Display Max) Time Course (T.C.) : View of time-history of the sound level. (graphical representation after measuring completion.) - Time-domain fluctuation level display function: up to 8 hours linked on a timer. Statistical Analysis (S.A.) : Statistical analysis of sound level at A-weighting and Fast. (analysis display after measuring completion.) - Histogram : Displays all detected sound level distribution as a percentage. - Percentile Level (LN:dB): Display the levels of L05 / L10 / L50 / L90 / L95 on the percentile level graph. # Control functions - Calibration function : level correction value setting, -20 to +20dB - Measurement timer function : 1 minute / 5 minutes / 10 minutes / 15 minutes / 20 minutes / 30 minutes / 1 - 8 hours (1 hour unit) - Snapshot : Save measurement display with time stamp to Photos. # Examples of usage scenes: - Measure the noise situation in the workplace. - Examine the frequency component and time variation of noise target. - Check the sound level and background noise level during music performance. - To know the sound volume of snoring at sleep. - Measure the quiet characteristics of electric products for the judgment of purchase. - To know the noise level of the car. Also, as a purchase consideration material for automobiles, measure the in-car noise level at the test drive and compare it. - To know the noise situation in my home. Also, when buying a house, knowing the noise situation of the surrounding environment. # Example of the noise level situation: - 130dB : Engine sound of Airplane - 110dB : Horn of Car - 100dB : Noise of passing train - 90dB : In loud factory - 80dB : In the train, Vacuum cleaner - 70dB : Noisy office, Noisy street - 60dB : Quiet Car, Normal conversation - 50dB : Quiet office - 40dB : In the library, Quiet residential area - 30dB : Outskirts of midnight, Whisper - 20dB : Sounds of rubbing leaves # Note: At the time of the first access to Microphone and Photos after installing the app, you will be asked authorization to access them by the iOS system. If you have not enabled this setting, the app can not access them by privacy restrictions of the iOS system. Please enable the access permission on the iOS setting, "Settings > Privacy > Photos or Microphone". Please visit our iOS App support page for more information on this app.