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Free Online Loudness and Sound Meter by Youlean
https://youlean.co/online-loudness-meter/
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?
Audio Frequency Counter - keuwl.com
http://www.keuwl.com/AudioFrequencyCounter/
If you just want to know the frequency of a sound with harmonics (e.g. mucial instrument), a FFT based app such as keuwlsofts spectrum analyser, harmonicity meter or guitar tuner will be better. This app can provide more accurate frequency measurement for single frequency input signals.
Get Audio Meter - Microsoft Store
https://www.microsoft.com/en-us/p/audio-meter/9wzdncrdkgt7
Audio Meter is a Tool for audio level measuring in dB or dB (A) with a wide range of advanced features build in. Audio Meter is freeware (no commercials, no in app purchases, FREE!) (Feel free to donate on our website if you like it) Audio Meter can: • Measure Sound in dB and dB (A) • Measure Sound Frequency • Record SPL dB and dB (A) • Save/Load Graphs • …
Sound Meter :: WebBrowserTools
https://webbrowsertools.com/sound-meter/
Description. This web application is designed to measure the surrounding sound and noise with HTML5 tools. The app uses the AudioContext API which is supported in all modern browsers to compute the real-time noise and sound level in the decibel unit (dB). Please wait for this web app to completely load, then accept the microphone permission to ...
Microphone Sound Analyzer - ComPADRE
https://www.compadre.org/osp/pwa/soundanalyzer/
Microphone Sound Analyzer. Δf=2.00 kHz x:undefined,y:undefined 0.0 2.0 4.0 6.0 8.0 10.0 -80 -70 -60 -50 -40 -30 -20 -10 0 f (kHz) audio level (dB) Frequency Spectrum Δt=5.94 ms x:undefined,y:undefined Press play button to start. 0.0 1.2 2.4 3.6 4.8 6.0 7.2 8.4 9.6 10.8 12.0 13.2 14.4 15.6 16.8 18.0 19.2 20.4 21.6 22.8 -0.3 -0.1 0.0 0.1 0.2 0 ...
Spectrum Analyzer | Academo.org - Free, interactive ...
https://academo.org/demos/spectrum-analyzer/
The frequency spectrum is generated by applying a Fourier transform to the time-domain signal. The demo above allows you to select a number of preset audio files, such as whale/dolphin clicks, police sirens, bird songs, whistling, musical instruments and even an old 56k dial-up modem.
A SIMPLE FREQUENCY METER
https://www.qsl.net/pa2ohh/11freqcnt1.htm
A SIMPLE FREQUENCY METER (2010-2018) KLIK HIER VOOR DE NEDERLANDSE VERSIE. The frequency meter. The program is written in the programming language Python. Therefore, it is simple to adapt it to your own requirements. A simple frequency meter for the PC with a soundcard No primitive frequency counters with leds anymore! Throw them away!
Online Tone Generator - Free, Simple and Easy to Use.
https://onlinetonegenerator.com/
Online Tone Generator. Free, Simple and Easy to Use. Simply enter your desired frequency and press play. You will hear a pure tone sine wave sampled at a rate of 44.1kHz. The tone will continue until the stop button is pushed. The tone generator can play four different waveforms: Sine, Square, Sawtooth and Triangle.
Virtual Oscilloscope | Academo.org - Free, interactive ...
https://academo.org/demos/virtual-oscilloscope/
Physics Sound Audio. An oscilloscope is a useful tool for anyone working with electrical signals because it provides a visual representation of the signal's shape, or waveform. This allows you to measure properties of the wave, such as amplitude or frequency. The initial signal above is a 200Hz sine wave, which has an amplitude of 5 volts.
Online Pitch Detector - Easily find the pitch of any sound
https://www.onlinemictest.com/tuners/pitch-detector/
Get Easily Started With Detecting Pitch! 1. Click the Play button. 2. Click “allow” if you see a question in the browser asking if the page can use your microphone. 3. Now, you should be able to see the hand of the tool responding to the sound …
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