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Pixel aspect ratio (often abbreviated PAR) is a mathematical ratio that describes how the width of a pixel in a digital image compares to the height of that pixel. Most digital imaging systems display an image as a grid of tiny, square pixels. However, some imaging systems, especially those that must be compatible with standard-definition television motion pictures, display an image as a grid of rectangular pixels, in which the pixel width and height are different. Pixel aspect ratio describes this difference.

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  • Pixelseitenverhältnis (de)
  • Relación de aspecto de píxel (es)
  • Pixel aspect ratio (it)
  • Rapport d'aspect de pixel (fr)
  • ピクセルアスペクト比 (ja)
  • Pixel aspect ratio (en)
  • 像素長寬比 (zh)
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  • Pixelseitenverhältnis und engl. Pixel Aspect Ratio (PAR) stellen den Quotienten aus der Breite eines Pixels (meist abgekürzt x) und seiner Höhe (meist abgekürzt y) dar. Das Pixelseitenverhältnis kann aus dem Verhältnis der Anzeige eines Bildes DAR (Display Aspect Ratio) (z. B. 16:9) und dem Verhältnis der Bildauflösung SAR (Storage Aspect Ratio) (z. B. 1440:1080) ermittelt werden. Generell gilt (de)
  • Nel video digitale e particolarmente in relazione ai dispositivi di visualizzazione, il pixel aspect ratio (PAR) è stato introdotto con l'obiettivo di identificare quale sia il rapporto tra la densità di informazioni raggiungibile sull'asse delle ordinate rispetto a quella raggiungibile sull'asse delle ascisse. (it)
  • ピクセルアスペクト比(Pixel Aspect Ratio:PAR)とはデジタル映像を構成する画素の幅と高さについての数値比率である。ピクセル比とも呼ばれる。通常、データとしてPCで扱うピクセル(画素)は1:1が基準であり、画面全体は正方形の画素のグリッドとして映像が描画される。この画面全体の横縦比は一般的に画面アスペクト比と呼ばれる。しかしながら映画素材などとの互換性維持のため画素の幅と高さが異なる、つまり長方形の画素で画面を構成することがいくつかのビデオシステムで定義された。この項目では主にデジタル映像におけるピクセルアスペクト比について述べる。「ピクセル」単体の内容についてはピクセルを参照の事。 (ja)
  • 像素寬高比(pixel aspect ratio, PAR)是描述數位影像的像素中,寬和高之間的比率。 大多數的數位成像系統,會將影像顯示為很多微小的正方型像素格。但部分成像系統,尤其是必須與標準畫質電視相容者,會將影像顯示為長方形的像素格。像素格的寬和高不一定等長,因此就用像素寬高比來描述之。 像素寬高比通常會用於描述標準畫質電視相關的影像,除了少數特例以外。大多數的成像系統,包括遵守電影電視工程師協會標準和實務的系統,皆是使用正方像素。 (zh)
  • La relación de aspecto de un pixel («Pixel Aspect Ratio», a menudo abreviado en inglés PAR) es una relación matemática (ratio) que describe el modo en que la anchura de un pixel se compara a su altura en una imagen digital. (es)
  • Le rapport d'aspect d'un pixel (« Pixel aspect ratio », souvent abrégé en anglais PAR) est un rapport mathématique (ratio) qui décrit la façon dont la largeur d'un pixel se compare à sa hauteur dans une image numérique. (fr)
  • Pixel aspect ratio (often abbreviated PAR) is a mathematical ratio that describes how the width of a pixel in a digital image compares to the height of that pixel. Most digital imaging systems display an image as a grid of tiny, square pixels. However, some imaging systems, especially those that must be compatible with standard-definition television motion pictures, display an image as a grid of rectangular pixels, in which the pixel width and height are different. Pixel aspect ratio describes this difference. (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/PAR-1to1.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/PAR-2to1.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Screenshot_of_DVD_Flick_1.3.0.7_build_738.png
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