caption: an image of a slide with a number of information on it
exif: {"Image DocumentName": "5. Audio & video 4.3. new html5 element <audio>", "Image ImageDescription": "Until now, there has not been a standard for playing audio files on a web page. Today, most audio files are played through a plug-in (like flash). However, different browsers may have different plug-ins. HTML5 defines a new element which specifies a standard way to embed an audio file on a web page: the <audio> element. Wondering what it takes to get started with html5? Example: ../audioVideo/audio.html.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}