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High-resolution audio (high-definition audio or HD audio) is a term for audio files with greater than 44.1 kHz sample rate or higher than 16-bit audio bit depth. It commonly refers to 96 or 192 kHz sample rates. However, 44.1 kHz/24-bit, 48 kHz/24-bit and 88.2 kHz/24-bit recordings also exist that are labeled HD audio.
Psychoacoustics is the branch of psychophysics involving the scientific study of the perception of sound by the human auditory system.It is the branch of science studying the psychological responses associated with sound including noise, speech, and music.
Lo-fi is the opposite of high fidelity, or "hi-fi". [3] The perception of "lo-fi" has been relative to technological advances and the expectations of music listeners, causing the rhetoric and discourse surrounding the term to shift numerous times throughout its history. [4]
Composer Phill Niblock's music is entirely based on beating caused by microtonal differences. [9] Computer engineer Toso Pankovski invented a method based on auditory interference beating to screen participants in online auditory studies for headphones and dichotic context (whether the stereo channels are mixed or completely separated). [10]
Along with free software and Linux (a free operating system), copyleft licenses, the explosion of the Web and rise of P2P, the cementing of mp3 as a compression standard for recordings, and despite the efforts of the music industry, free music became largely the reality in the early 21st century. [12]
An in-depth study of MP3 audio quality, sound artist and composer Ryan Maguire's project "The Ghost in the MP3" isolates the sounds lost during MP3 compression. In 2015, he released the track "moDernisT" (an anagram of "Tom's Diner"), composed exclusively from the sounds deleted during MP3 compression of the song "Tom's Diner", [ 78 ] [ 79 ...