Pitch may refer to: Acoustic frequency Pitch (music), the perceived frequency of sound including "definite pitch" and "indefinite pitch" Absolute pitch or "perfect pitch" Pitch class, a set of all pitches that are a whole number of octaves apart Relative pitch, the ability to identify a given musical interval between two notes Pitch accent, a form of accentuation in speech Business Sales pitch, a line of talk that attempts to persuade someone or something Pitch (filmmaking), a proposal for a film Elevator pitch, a very short sales presentation, allegedly short enough to be made during an elevator ride Measurement Movement about the transverse axis Pitch angle (or pitch rotation), one of the angular degrees of freedom of any stiff body (for example a vehicle), describing rotation about the side-to-side axis Pitch (aviation), one of the aircraft principal axes of rotation (nose-up or nose-down angle measured from horizontal axis) Pitch (ship motion), one of the ship motions' principal axes of rotation (bow-up or bow-down angle measured from horizontal axis) Angle measurement Pitch or grade (slope), the steepness of a slope or an object confirming to a slope Roof pitch relates to the slope and inclination angle Pitch, or rake, in geology, the angle between a line and the strike of the plane on which it was found Electromagnetism Pitch angle (particle motion), the angle between a charged particle's velocity vector and the local magnetic field Mechanical engineering Pitch angle (engineering), the angle between a bevel gears' element of a pitch cone and its axis Linear measurement "Pitch" is widely used to describe the distance between repeated elements in a structure possessing translational symmetry: Pitch (gear), the distance between a point on one tooth and the corresponding point on an adjacent tooth Pitch (screw) the distance between turns of a screw thread Blade pitch the distance between the front edge and the rear edge of a propeller blade Pitch, the distance between passes in the helical scanning pattern of X-ray computed tomography Pitch (typewriter), the number of characters and spaces in one inch (25.4 mm) of running text Pitch, the distance between bits in a parallel integrated circuit element such as a register file Dot pitch in images Pin pitch, the distance between centers of pins in electronics packaging Seat pitch, the spacing between seat rows in an aircraft Arts, entertainment, and media Pitch (film) Pitch (TV series) Pitch Weekly, a free