Subsonic
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Subsonic may refer to:


Motion through a medium

* Any speed lower than the speed of sound within a sound-propagating medium *
Subsonic aircraft A subsonic aircraft is an aircraft with a maximum speed less than the speed of sound (Mach 1). The term technically describes an aircraft that flies below its critical Mach number, typically around Mach 0.8. All current civil aircraft, including ...
, a flying machine that flies at air speeds lower than the speed of sound *
Subsonic ammunition Subsonic ammunition is ammunition designed to operate at velocities below the speed of sound, which at standard conditions is or Mach 1. This avoids the supersonic shockwave or "crack" of a supersonic bullet, which, particularly for suppressed f ...
, a type of bullet designed to avoid creating a loud shockwave when fired *
Subsonic flight Aerodynamics, from grc, ἀήρ ''aero'' (air) + grc, δυναμική (dynamics), is the study of the motion of air, particularly when affected by a solid object, such as an airplane wing. It involves topics covered in the field of fluid dyn ...
, an aircraft flight at air speeds lower than the speed of sound in air * Subsonic and transonic wind tunnels


Music

* ''Subsonic'' (album), a 2002 album by Vigleik Storaas Trio * ''Subsonic'' (EP), a 2013 EP by Younha * ''Subsonic'' album series: ** '' Subsonic 2: Bass Terror'', a 1995 album by Bill Laswell and Nicholas Bullen ** '' Subsonic 3: Skinner's Black Laboratories'', a 1995 album by Andy Hawkins and Justin Broadrick * Subsonic Music Festival, an annual electronic music festival in Monkerai, Australia


See also

*
Infrasound Infrasound, sometimes referred to as low status sound, describes sound waves with a frequency below the lower limit of human audibility (generally 20 Hz). Hearing becomes gradually less sensitive as frequency decreases, so for humans to perce ...
, sound at frequencies below the normal threshold of human hearing {{disambig