# Pitch

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)
* Pitch-up, an uncommanded nose-upwards aerodynamical rotation of an aircraft.

### 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 up, a hardstyle track by Coone & Ghost
* Pitch Weekly, a free urban weekly newspaper in Kansas City

## Plants

* Pitch (resin), a viscous substance produced by plants or formed from petroleum
* Pitch Pine (Pinus rigida), trees

## Sports and recreation

* Pitch (climbing), a term used in climbing and also caving
* Pitch (baseball), a throw of a baseball from a pitcher to the catcher(s)
* Pitch (card game) (or "High, or Low Jack"), an American trick-taking card game
* Pitch (sports field), a field of play and is usually outdoors
** Cricket pitch
** Rugby pitch
** Football pitch
* The bounce of a cricket ball
* Pitch, a lateral pass in gridiron football
* Pitching, the process of assembling a tent