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Audio analysis - Wikipedia
https://en.wikipedia.org/wiki/Audio_analysis
A type of sensory perception that occurs in much of the planet's fauna, audio analysis is a fundamental process of many living beings. Sounds made by the surrounding environment or other living beings provides input to the hearing mechanism, for which the listener's brain can interpret the sound and how it should respond.
Spectrogram - Wikipedia
https://en.wikipedia.org/wiki/Spectrogram
A spectrogram is a visual representation of the spectrum of frequencies of a signal as it varies with time. When applied to an audio signal, spectrograms are sometimes called sonographs, voiceprints, or voicegrams. When the data are represented in a 3D plot they may be called waterfall displays .
Audio analyzer - Wikipedia
https://en.wikipedia.org/wiki/Audio_Analyzer
An audio analyzer is a test and measurement instrument used to objectively quantify the audio performance of electronic and electro-acoustical devices. Audio quality metrics cover a wide variety of parameters, including level, gain, noise, harmonic and intermodulation distortion, frequency response, relative phase of signals, interchannel crosstalk, and more.
Real-time analyzer - Wikipedia
https://en.wikipedia.org/wiki/Real-time_analyzer
A real-time analyzer ( RTA) is a professional audio device that measures and displays the frequency spectrum of an audio signal; a spectrum analyzer that works in real time. An RTA can range from a small PDA -sized device to a rack-mounted hardware unit …
Audio Spectrum Analysis - Pico Technology
https://www.picotech.com/library/application-note/audio-spectrum-analysis
A spectrum analyzer will be able to display up to one half of the maximum sampling rate. To cover the entire 20 kHz audio band this calls for a sampling rate in excess of 40 kS/s. If you are interested in testing the frequency response of amplifiers you may wish to look well beyond the 20 kHz point so a higher sampling rate is required.
Spectrum Analysis Basics, Part 1 - What is a Spectrum ...
https://blogs.keysight.com/blogs/tech/rfmw.entry.html/2020/05/01/spectrum_analysisba-8Axa.html
Spectrum analyzers measure the magnitude of an input versus signal frequency. Vector signal analyzers measure the magnitude and phase of an input signal at a single frequency. Today’s signal analyzers combine functionality of the earlier evolutions of spectrum analyzers, such as analog, vector, and FFT (fast Fourier transform) measurements.
7 Best Free Audio Spectrum Analyzer Software For …
https://listoffreeware.com/free-audio-spectrum-analyzer-software-windows/
There are four analysis options available in this software, which are Generator, Oscilloscope, Spectrum Analyzer, and Frequency Response. Spectrum analyzer lets you analyze db vs Hz plot of input audio signal spectrum in real-time. All you need to do is, enter the number of sample in the specified field and click on Start button.
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