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Audio Frequency Counter - keuwl.com

    https://www.keuwl.com/AudioFrequencyCounter/
    This app can provide more accurate frequency measurement for single frequency input signals. Features of this audio frequency counter: • Graph of input signal, 2.5 ms/div up to 640 ms/div. • Gate time of 0.1s, 1s, 10s or 100s. • Gain from x1 to x1000 • Trigger on rise or fall • …

Audio Frequency Counter - Apps on Google Play

    https://play.google.com/store/apps/details?id=com.keuwl.audiofrequencycounter&hl=en_US&gl=US
    Audio Frequency Counter keuwlsoft Music & Audio Everyone 3,091 Contains Ads Add to Wishlist Frequency counter based on the microphone input. Counts when the input rises or falls past a …

Free Online Loudness and Sound Meter by Youlean

    https://youlean.co/online-loudness-meter/
    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? Analyzing from the microphone will not give you accurate SPL-Loudness values since it is limited to the hardware on which it is being used. If you want ...

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.

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 ...

Audio Frequency Counter for Android - APK Download

    https://apkpure.com/audio-frequency-counter/com.keuwl.audiofrequencycounter
    Using APKPure App to upgrade Audio Frequency Counter, fast, free and saving internet data.! The description of Audio Frequency Counter App. 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.

audio frequency counter free download - SourceForge

    https://sourceforge.net/directory/?q=audio%20frequency%20counter
    AUDio MEasurement System. PC based Oscilloscope and Spectrum analyzer using sound …

Audio Frequency Counter Software - Free Download Audio ...

    https://www.winsite.com/audio/audio+frequency+counter/
    Audio Frequency Counter Software. Frequency Counter 1.5 is a tool including classical cryptanalysis. It takes a text file, up to 2G, and computes the frequency of characters A-Z. Results are displayed numerically and graphically. Great for students of. ...

Virtual Oscilloscope | Academo.org - Free, interactive ...

    https://academo.org/demos/virtual-oscilloscope/
    This means that the period of the wave is 4ms, or 0.004s, giving a frequency of (1/0.004) = 250Hz. If you change the timebase to 500µs (half of what it started at), you should see the waveform now takes 8 squares to complete one full oscillation. The period (and hence the frequency) remain constant because 8 times 500µs still equals 0.004s.

Online Tone Generator - generate pure tones of any …

    https://www.szynalski.com/tone-generator/
    To change the frequency, drag the slider or press ← → (arrow keys). To adjust the frequency by 1 Hz, use the buttons or press Shift + ← and Shift + → . To adjust the frequency by 0.01 Hz, press Ctrl + ← and Ctrl + → ; to adjust it by 0.001 Hz, press Ctrl + Shift + ← and Ctrl + Shift+ → To halve/double the frequency (go down/up one octave), click ×½ and ×2 .

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