Audio refers to sound, specifically within the range of human hearing ( 20Hz to 20,000Hz), that is recorded, transmitted, or reproduced electronically. It encompasses audible sound waves, including music, speech, and sound effects, and is commonly used in broadcasting, computing, and media production to define the sound component.
Definition: Derived from the Latin audire ("to hear"), it represents sound in a technical or electronic context.
Audio Signal: An electrical representation of sound waves, which can be analog (continuous) or digital (discrete/binary).
Common Applications: Sound reproduction via devices like speakers, headphones, or microphones.
Common File Formats: MP3, WAV, AAC, FLAC, and OGG.
Vs. Sound: While sound is the physical phenomenon (air pressure waves), audio is the electronic representation, recording, or reproduction of that sound.
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