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Audio refers to sound within the acoustic range available to humans. In other words, anything that is audible is audio or sound! Now, what is sound? Well, sound means those vibrations that are composed of frequencies that can be detected by ears and are also transmitted through solid, liquid or gas.
An audio frequency, which is abbreviated as AF means an electric alternating current that have a frequency such that, if it is applied to a transducer, like a loudspeaker, would produce acoustic waves within the range of human hearing. And the AF range is range from 20 Hz to 20,000 Hz (20 kHz). Living species other than human, may have different range of hearing. In this section, you will find various other resources related to audio. Linksbuzz provides endless information on every possible aspects!
In terms of computers, audio refers to the sound system that comes along with a computer or can be added to it. In a computer, the audio card (board or adapter designed to provide expanded capability to a computer) contains a special built-in processor and memory for processing audio files in order to send them to speakers in the computer. An audio file is a record of captured sound which can be played back. Sound, a sequence of naturally analog signals that are converted to digital signals by the audio card, with the help of a microchip, called an analog-to-digital converter (ADC). As sound is played, the digital signals are being sent to the speakers where they are converted back to analog signals that generate varied sound.
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