page_title: Acoustic jar
hierarchical_section_title: Acoustic jar
caption_attribution_description: Français&#160;: Vase acoustique (plus précisément une amphore de résonance) scellé dans le mur de l'église de la Chartreuse du Val de Bénédiction, à Villeneuve-lès-Avignon. English: Acoustic jar (or more specifically a resonance amphora) embedded in the wall of the Church of the Chartreuse du Val de Benediction, Villeneuve-lès-Avignon.
context_page_description: Acoustic jars are ceramic vessels found set into the walls, and sometimes into the sides of cavities beneath the floors, of medieval churches. They are believed to have been intended to improve the sound of singing, and to have been inspired by the theories of Vitruvius.
context_section_description: Acoustic jars are ceramic vessels found set into the walls, and sometimes into the sides of cavities beneath the floors, of medieval churches.  They are believed to have been intended to improve the sound of singing, and to have been inspired by the theories of Vitruvius .
caption: Resonance amphora embedded in the wall of the church of the Chartreuse Notre-Dame-du-Val-de-Bénédiction [fr], Villeneuve-lès-Avignon.
exif: {"Image Make": "Panasonic", "Image Model": "DMC-GX7", "Image Orientation": "Horizontal (normal)", "Image XResolution": "180", "Image YResolution": "180", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "GIMP 2.8.0", "Image DateTime": "2015:11:24 21:47:10", "Image YCbCrPositioning": "Co-sited", "Image ExifOffset": "420", "Image PrintIM": "[80, 114, 105, 110, 116, 73, 77, 0, 48, 50, 53, 48, 0, 0, 14, 0, 1, 0, 22, 0, ... ]", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail Orientation": "Horizontal (normal)", "Thumbnail XResolution": "180", "Thumbnail YResolution": "180", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "13382", "Thumbnail JPEGInterchangeFormatLength": "6118", "Thumbnail YCbCrPositioning": "Co-sited", "EXIF ExposureTime": "1/60", "EXIF FNumber": "28/5", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "1600", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2015:11:21 15:24:01", "EXIF DateTimeDigitized": "2015:11:21 15:24:01", "EXIF ComponentsConfiguration": "YCbCr", "EXIF CompressedBitsPerPixel": "4", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "1273/256", "EXIF MeteringMode": "Pattern", "EXIF LightSource": "Shade", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "32", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "4592", "EXIF ExifImageLength": "3448", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "EXIF InteroperabilityOffset": "13234", "EXIF SensingMethod": "One-chip color area", "EXIF FileSource": "Digital Camera", "EXIF SceneType": "Directly Photographed", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Manual", "EXIF DigitalZoomRatio": "0", "EXIF FocalLengthIn35mmFilm": "64", "EXIF SceneCaptureType": "Standard", "EXIF GainControl": "High gain up", "EXIF Contrast": "Normal", "EXIF Saturation": "Normal", "EXIF Sharpness": "Normal"}