Freeware Downloads for "Java Noise Level Meter"

This project is for matlab development of a virtual sound level meter. The program will read in a .wav file and allow the user to analyze it as one would analyze a sound field with a sound level meter..

Super exact Level Meter Pro+ is a very useful app, prepared by Nokia Poland, that will help you out around the house or at your workplace.
Level Meter Pro+ is a simple measuring app, equipped with some nice features like:
* horizontal measure
* vertical measure
* quick & easy calibration
* user-friendly interface

Download for free!.

Many types of noise can be eliminated during data collection or post-processing. Noise removal during data collection is preferable. Noise that cannot be removed will increase Sv measurements and bias in situ TS measurements, leading to errors in fish density or biomass estimates.

Some instruments output noise levels at 1 m depth and this should be recorded. We recommend that authors report the noise levels or the SNR at the deepest depth included in the analyses. Remember that noise levels at 1 m are different if expressed as TSu or Sv data.

Sound Level Meter is in the 4th set of the Smart Tools collection (noise).

SPL(sound pressure level) meter app uses your phone mic to measure noise volume in decibels(db), and shows a reference.

REMEMBER!! The smart phone microphones were aligned to human voice (300-3400Hz, 40-60dB). Therefore the maximum values are LIMITED by the manufacturers and the very loud sound(100+ db) cannot be recognized. Moto Droid(max.100), Galaxy S3(81dB), Galaxy Note(91dB), Galaxy S2(98dB)...

See the 4-5nd pictures.

  • Platform: Android, Windows
  • Publisher: Smart Tools co.
  • Date:
  • Size: 1331 KB

Sound Meter for Android allows you to measure environmental noise with your mobile phone.

SPL(Sound Pressure Level) meter uses your phones microphone to measure noise volume in decibels(db)and shows a graph for you to visualize the measurement.

Note that mobile phone microphones were aligned to human voice at 300-3400Hz (40-60dB).

The maximum values are LIMITED by phone manufacturers, so very loud sound at 110+ dB may not be very accurate.

***How to use***

The app automatically displays the SPL measurement when you start it, the graph shows you the maximum and minimum values within 8 seconds.

  • Platform: Android 1.x, Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Publisher: EdgeWalk
  • Date: 03-01-2014
  • Size: 1945 KB

This application brings the functionalities of a Sound Level Meter (SLM) and a basic Real Time Spectrum Analyzer (RTA) to your phone.

Analyze the ambient (background) noise and the traffic noise (TNI)!

This app (ad-supported) has more features (+) than the basic edition.

>>SLM Main features:
• Sound Level Meter (SLM)
• simple calibration settings
• 3 measuring modes (Dynamic, Average, Cumulative)
• current value, dB avg, dB min and dB max display
• sound level versus time chart
• threshold trigger
• current value, L90, L50 and L10 values display
• TNI (Traffic Noise index) display
• cumulative sound level chart
• tested with samsung galaxy S S2 S3 S4
• sharing of text values and screen bmp
• sound level distribution chart
• start/stop button
• automatic on/off...

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Publisher: Gaia Consulting
  • Date: 07-07-2014
  • Size: 2252 KB

ATI VU Meter is a Analog VU Meter Measuring Audio Signals.you Can use it no check Noise Level around you.


A volume unit (VU) meter or standard volume indicator (SVI) is a device displaying a representation of the signal level in audio equipment.

Permissions that this app needs are:
- internet access (for displaying ads and some stats collection)
- write to external storage (to store temp files)
- record audio
- wake lock (for prevent device from sleeping)

Rate @Review this app on Google Play.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Publisher: ATI Team
  • Date: 11-12-2014
  • Size: 2457 KB

Free MSU VQMT plugin for noise level estimation. It includes implementation of three most popular algorithms for measurement of noise level. By results of job of the metrics the plot of frame-accurate value of noise level is constructed. Final value of the metrics is average arithmetic of all frame-accurate values..

AlgoTestd-OC?D? is an easy to use testing program for measuring the noise level of soundcards and their Frequency distribution.

It displays the noise parameters like the noise level peak to peak (p-p) and true rms, as well as the DC offset of the input signal. As this measurement is very accurate, even high quality soundcards or external ADCdlDLs (Analog to Digital Converter, e.g. DAT) connected via digital interface to the computer can reliably be tested and compared.

The integrated DC-Filter can be used to remove the influence of DC components present in the input signal.

dB Sound Meter is a professional sound level meter in your Android phone. It can transform your smartphone into a sound level meter. It uses your microphone signal on your phone to be a SPL(sound pressure level) tester, it shows the db value for current environment. It's a very practical app,

dBSound Meter allows you to measure the volume of music, noise or any sound with your mobile phone with great precision and accuracy.

dB Sound Meter main feature:
* Wide ragne 0~120dB
* direct reading in dB
* Error tolerance 1.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Publisher: Shi Yu Jie
  • Date: 28-09-2014
  • Size: 595 KB

This application brings the functionalities of a basic Sound Level Meter (SLM) to your phone.

>>Main features:
• simple calibration settings
• 2 measuring modes (Dynamic, Average)
• current value, dB avg, dB min and dB max display
• sound level versus time chart
• threshold trigger
• sharing of text values
• sharing of screen bmp
• tested with samsung galaxy S S2 S3 S4

>>Data collection
The application relies on the mobile microphone signal. To achieve the best results consider the following:
1) Calibration (only the first time): the default calibration values are suitable for most smart phones.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Publisher: Gaia Consulting
  • Date: 15-12-2014
  • Size: 1638 KB

A Java high level control library for Merlin Miabot Pro robots.
Java Miabot Library License - GNU General Public License (GPL).

  • Platform: WinOther
  • Publisher: Miabot
  • Date:

Best Sound Meter (sound pressure level) is an app which can measure the actual sound level meter with dB.
It uses your built-in microphone and shows a reference. We had calibrated many android devices with the actual sound level meter with dB.

You have to know that the built-in microphones were aligned to human voice (300-3400Hz, 40-60dB). Therefore the maximum values are limited by the hardware limitation, and very loud sound (100+ db) cannot be recognized.

Remember that it's only a device for fun and please use it as an auxiliary tool.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Publisher: Netigen Tools
  • Date: 25-05-2014
  • Size: 2662 KB

We are specialized in supplying test and measuring equipment. Our core products are Oscilloscope, Multimeter, Power Supply, Electronic Load, Data Logger, Function Generator, Sound Level Meter, LCR Meter, Safety Tester and many more. Our company was founded in the late 1950 having a total 42 offices in Japan and 33 offices overseas (China, Taiwan, Korea, Hong Kong, Singapore, Malaysia, Thailand, Vietnam, India, Philippines and Indonesia). Other than serving the customers, we are also dealing with a large pool of makers.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Publisher: Big Apps Idea Pte Ltd
  • Date: 25-10-2014
  • Size: 4608 KB

This application brings the functionalities of an Anemometer (Wind Speed Meter) to your phone.

Main features

>>Wind Speed Meter:
• 2 wind speed measuring modes
• simple calibration settings
• 3 values display (cur, avg, max)
• threshold trigger
• wind direction (compass)
• wind speed versus time chart
• start/stop button
• sharing of text values
• sharing of screen bmp
• Wind range with mic max SPL 90db: 1 - 15 m/s
• Wind range with mic max SPL 100db: 1 - 20 m/s


>>Quick start
The application relies on the mobile microphone signal.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Publisher: Gaia Consulting
  • Date: 10-03-2014
  • Size: 2150 KB

This script is intended to illustrate the concepts of eyediagramm, constellation, ISI and to understand the effects of additive noise power, channel frequency band restriction, number of possible states within a symbol period, affecting the quality of the transmission. Three methods are employed for low-pass filtering: - classical low pass filter (actually two order Butterworth) creating ISI. - raised cosine filter in order to illustrate the possibility of suppress ISI . - Pseudo filtering by increasing risetime and falltime of ideal rawcode .

  • Platform: Matlab, Scripts
  • Publisher: Alain Demange
  • Date: 06-03-2013
  • Size: 51 KB

Autocord stands for Automatic Recorder. What makes Autocord so special for recording is that it is voice triggered, not only by amplitude, but also by frequency. You can set it to trigger recording on, for example, when the sound level reaches 3 dB over the ambient noise level. You can go beyond that, and tell it to only trigger if the frequencies in the audio picked up by the microphone are between say - 120 Hz and 600 Hz. You can do dictation for hours using the voice activated trigger, and never have to edit the audio file after.

The best level from iPhone now on Android. This is the free version.

Calibration can be done with the paid version.

keywords: Clinometer, XClinometer, spirit level,plumb bob,clinometer,bubble level,carpenter,wasserwaage,water level,ruler,nivelle,geocaching,niveau A bulle,nivel de agua,livella,?***?*?**,?*?**,???*N *?*N*???*N?

According to wikipedia: An inclinometer or clinometer is an instrument for measuring angles of slope (or tilt), elevation or inclination of an object with respect to gravity.

***This free-download version will provide 10 trial sessions before committing to a subscription plan. You can purchase Dental RPM Pro in Google Play for an ad-free personal version***

Dental RPM Plus is a high speed acoustic rpm meter fully capable of measuring high speed air-driven handpiece free running speeds up to 550,000 rpm. Its capability in electric handpiece rpm has not been fully explored. At this time, this app is not recommended for electric handpieces. Dental RPM Plus makes very accurate measurements of high speed handpiece rotational speed with its proprietary frequency analysis algorithm that distinguishes the sound corresponding to the shaft rotation from other noises generated during handpiece operation.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Publisher: Aerobine, Inc
  • Date: 21-02-2014
  • Size: 489 KB

"Decibel" allows you to measure the sound level (dB) and the amplitude of the sounds around you!
And more, you can activate the flash function will launch the flash according to the sound, music and even your voice!
This free sound level meter (or decibel meter) is an essential tool for your smartphone :)

And all this in an application that is less than 750kb!

.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Publisher: Nintend\'Apps
  • Date: 16-08-2014
  • Size: 754 KB

Java Noise Level Meter: Freeware | All

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