Sound Level Meter with Class 1 Frequency Response The XL2, together with the M2211 Measurement Microphone, forms a professional sound level meter with class 1 frequency response according to IEC 61672-1 and ANSI S1.4. Does this online meter transfer data to the server? No, all audio data is being used locally. What mode does this meter have? It has the ITU-R BS.1770-4, or dB A-Weighted mode. How accurate is this meter compared to other professional SPL meters?
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Do you work in or near a noisy environment, such as a construction site, a popular restaurant, or a concert or sports venue? Ever wonder how loud the noise really is and if it could be damaging your hearing? There’s an app for that!
The National Institute for Occupational Safety and Health (NIOSH), part of the Centers for Disease Control and Prevention (CDC), developed the NIOSH Sound Level Meter (SLM) app for iOS devices to help promote better hearing health and prevention efforts. You can download the free app on iTunes.
NIOSH estimates that 22 million workers in the United States are exposed to hazardous noise levels each year. The SLM app can help you prevent permanent hearing loss caused by noise—a problem that can occur immediately or over time.
NIOSH developed the app after its researchers found that most sound meter apps either weren’t accurate enough or lacked features important for occupational noise measurement and monitoring. NIOSH then collaborated with an app developer, EA LAB, to create a new app for use at worksites. Although the app is designed for use at worksites, it also provides accurate noise measurement for everyday use, and can be downloaded and used by anyone in any location, including concerts, movie theaters, sports events, and even school cafeterias.
Using a mobile device’s built-in microphone or an external microphone, the NIOSH SLM app measures occupational noise exposure the way professional measuring instruments do. For example, NIOSH SLM reports the sound level in different weighted decibels, including A-weighted decibels, which can give you a good idea of the level of sound that could harm your hearing. In addition, the app can save and share measurement data. NIOSH recommends using an external, calibrated microphone with any sound level app to increase accuracy.
The NIOSH SLM also includes information on preventing hearing loss, examples of noise levels and their risks to hearing, and a searchable database of devices to protect your hearing.
To see the app’s features, watch this video.
For more information, please visit:
to enlarge meter view- Tuning range: A#0 (29.14 Hz)--G8 (6,271.93 Hz)- Tuning accuracy: +/- 1 cent- Newsfeed for the latest BOSS infoFind more BOSS tuner products...
domain.Features:- FREE- FFT resolution up to 2.7Hz! (FFT size: from 512 to 16384 bins)- 44100 hertz (Hz) and 48000 hertz(Hz) sampling frequencies- peak finding- input source selection ( two microphones )- several window...
frequency resolution- selectable sampling frequency, up to 96000 Hz (supported frequency depends on the device)- performance factor for slow devices- zoom on the...
in Free Version* No Ads* 44100 Hz sampling rate * Max frequencies up to 22050 Hz (1/2 sampling rate)* 8192 samples per spectrum * ~5.4 Hz Resolution per point* Peak Detect of...
can very the reference tuning pitch away from the common 440Hz. You can also configure the app to adjust for non-concert pitch instruments, for example the B-flat trumpet.There's a choice of light or dark themes and you can adjust the...
Frequency counter based on the microphone input. Counts when the input rises or falls past a set level and converts into into frequency or a time period. FOR INDICATION ONLY. Results depend on your device and...
in this mode)- A adjustable sample rate allow analysis from 10 Hz to 22KHz- Optional measurement markers for ease of readingThank you for purchasing, I hope you enjoy! If you have enjoyed this app leave a quick rating and...
features:- 128 high-quality frequency bands [20Hz to 22kHz]- Logarithmic frequency scale to match human perception- Low latency for high responsiveness- High framerate to see smooth frequency...
environment and measurement doesn't auto stop.FFT Spectrum – Autoscaling Sound Intensity between 0 and 2 kHz.Range: 100 Hz to 2 kHz fundamental harmonic frequency detection.Internet Permission is...
of music designed to produce very low tones.Feel the bass all the way down to 20 Hz and below, if your system can handle...
a short beep of the selected frequency with the arrows or 1KHz is pressing the central button. All the sounds have the same amplitude so you can easily compare the response of your earphones or speakers by quickly switching...
Hz Generator is the perfect tool for testing audio systems.Generate perfect mono sine wave audio.Use it as a simple 50 Hz test tone or pick another frequency.Configurable from 20 Hz...
observe your external volume settings when using this app.- 1Hz to 20kHz bandwidth- CD quality sampling at 16bits 44.1KHz- digital frequency input (tap to set)- 5 programmable frequency presets (long...
the range of human voice production of frequencies 300-3,500 Hz and sound intensities 40-60 dB. Permissions Explained:android.permission.WRITE_EXTERNAL_STORAGE: A csv file is created and modified on the phone's...
Generator. It can generate sound frequencies from 1Hz to 20,000Hz!The human can hear from 20Hz to 20,000Hz, you can use this tool to test your hearing.To use it, simply select the desired frequency using the slider...
Sound Frequency Analyzer App
This application generates sound signal in the range from 1 to 150 Hz. Also has slow decrease frequency mode. Use it to test subwoofer fast.If you have an idea how to improve the application, please write a review.
Sawtooth.- Custom frequency selection from 2 Hz to 20 kHz.- Frequency Sweep.- Noise: White, Pink & Brown.- Generated waveform display (not simulated!).- Background generation.Please...
LEP,d or LEX,8h).Features as 1/n octave spectrum analyzer:1/3 octave band spectra: Centre frequencies 25 Hz to 16 kHz,1/1 octave band spectra: Centre frequencies 31.5 Hz to 8 kHz,A, C and Z (flat)...
Get the quickest and most intuitive Unit Converter on Google Play!ConvertIt! is optimised for smartphones and tablets and converts 1400+ units from 90+ categories.More than 150 currency exchange rates can be updated hourly and are offline...
Sound Frequency Meter Software For Pc
to Frequency chart*** ACCURACY ***Application is calibrated with real tone generator. Internal microphone limit is around 1800 Hz, but under this frequency accuracy is very respectable +/-...