File:DuplexScaling.jpg

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Description	English: Interior of a grand piano Intended to illustrate the concept of duplex scaling in pianos by showing the duplex string lengths in the treble range of a grand piano. Français : Intérieur d'un piano à queue montrant le concept d'"échelle duplex", de petits sillets situés entre le chevalet la pointe d'accroche, et créant une harmonique supplémentaire pour enrichir les sons aigus. Nederlands: Illustratie van duplex scaling, aan de diskant van een vleugel wordt een deel van de snaar benut als resonantiesnaar.
Date	2004-05-03 (see metadata)
Source	English Wikipedia
Author	Opus33
Permission ( Reusing this file)	This image is hereby released into the public domain by Opus33.

This work has been released into the public domain by its author, Opus33 at the English Wikipedia project. This applies worldwide.

In case this is not legally possible:
Opus33 grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

This is a featured picture on Wikimedia Commons ( Featured pictures) and is considered one of the finest images.

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This image was selected as picture of the day on Wikimedia Commons for 6 September 2007. It was captioned as follows:

English: Interior of a grand piano

Asturianu: L'interior d'un pianu de cola

Беларуская: Струны фартэп'яна.

Česky: Uchycení strun ve velkém koncertním křídle

Deutsch: Innenleben eines Flügels

English: Interior of a grand piano

Español: Interior de un piano de cola

Euskara: Piano baten barrena.

Suomi: Flyygelin sisustaa.

Français : La table d’harmonie du piano à queue, sous les cordes. Le chevalet est la pièce de bois située juste avant l’accroche des cordes et sur laquelle les cordes s’appuient en formant un S entre deux pointes.

Magyar: Zongora húrjai (megfigyelhető a húrok eltérő hossza)

Íslenska: Strengir í flygli.

Italiano: Interno di un piano a coda.

日本語: グランドピアノの内部

Nederlands: Het binnenwerk van een vleugel

Polski: Wnętrze fortepianu

Português: Vista interna de um grande piano.

Русский: Внутреннее устройство рояля

Svenska: Innandömet av en flygel.

Українська: Внутрішній вигляд великого фортепіано

中文（简体）‎: 三角钢琴内部结构

中文（繁體）‎: 平台型鋼琴的內部結構

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	NIKON
Camera model	E2100
Exposure time	2/7 sec (0.28571428571429)
F-number	f/3.5
ISO speed rating	217
Date and time of data generation	02:20, 5 March 2004
Lens focal length	8.6 mm
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	E2100v1.1
File change date and time	02:20, 5 March 2004
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.2
Date and time of digitizing	02:20, 5 March 2004
Image compression mode	2
Exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
Colour space	sRGB
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	0
Focal length in 35 mm film	66 mm
Scene capture type	Standard
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown

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