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en.wikipedia.org/wiki/Audio_frequency

An audio frequency or audible frequency (abbreviation: AF) is a periodic vibration whose frequency is in the band audible to the average human, the human hearing range. The SI unit of frequency is the hertz (Hz). It is the property of sound that most determines pitch. The generally accepted standard hearing range for humans is 20 to 20,000 Hz.

www.teachmeaudio.com/mixing/techniques/audio-spectrum

Audio Spectrum Explained. The audio spectrum is the audible frequency range at which humans can hear. The audio spectrum range spans from 20 Hz to 20,000 Hz and can be effectively broken down into seven different frequency bands, with each having a different impact on the total sound. The seven frequency bands are:

www.youtube.com/watch?v=qNf9nzvnd1k

Sinusoidal wave going trough entire human audio spectrum, starting at 20Hz and ending at 20kHz. Note that the frequency increases exponentially, the idea was to increase the frequency by constant ...

listoffreeware.com/free-audio-spectrum-analyzer-software-windows

Visual Analyzer is a free audio spectrum analyzer software for Windows. This software lets you analyze real-time phase spectrum of audio signals given through input audio devices. To do so, it provides multiple options to adjust step size (in dB), specify value considered as 0 dB, frequency range, distortion, etc.

en.wikipedia.org/wiki/Frequency_spectrum

The power spectrum () of a time series describes the distribution of power into frequency components composing that signal. According to Fourier analysis, any physical signal can be decomposed into a number of discrete frequencies, or a spectrum of frequencies over a continuous range.The statistical average of a certain signal or sort of signal (including noise) as analyzed in terms of its ...

academo.org/demos/spectrum-analyzer

The spectrum analyzer above gives us a graph of all the frequencies that are present in a sound recording at a given time. The resulting graph is known as a spectrogram. The darker areas are those where the frequencies have very low intensities, and the orange and yellow areas represent frequencies that have high intensities in the sound.

www.audio-issues.com/music-mixing/all-the-eq-information-youll-ever-need

Let’s do a quick run-down of the frequency spectrum so you can get up to speed on where you should look whenever you have an annoying frequency problem you need to fix. By recognizing what certain frequencies sound like, you’ll become faster and more effective at EQ’ing your mixes. 50 Hz

www.headphonesty.com/2020/02/audio-frequency-spectrum-explained

The audio frequency spectrum represents the range of frequencies that the human ear can interpret. Sound frequency is measured in Hertz (Hz) unit. This audible frequency range, in the average person at birth, is from 20Hz to 20000Hz, or 20 kHz.

www.collinsdictionary.com/dictionary/english/frequency-spectrum

Frequency spectrum definition: The frequency spectrum of an electrical signal is the distribution of the amplitudes and... | Meaning, pronunciation, translations and examples ... or processing the full audio frequency spectrum of 20 Hz to 20 kHz. ... frequency response; frequency spectrum; frequency-division multiplex; frequent;

www.answers.com/Q/What_is_audio_frequency_spectrum

Audio frequency spectrum is measured in Hertz's (Hz) and tells the range of audible audio. The human hearing range is usually 20-20000Hz, but especially the audibility of the top end of the ...