Technical Issues


	Minimum 800x600 pixels screen resolution Small characters on screen display Minimum 56.6Kbps Modem recommended Microsoft Internet Explorer 5 or Firefox browsers Media Player: zoom set at 100% and check "Repeat forever" in Options\Playback Download Windows Media Player Video clips in this web site have been compressed with the VP31 codec from On2 Technologies ™. Download the VP3.2 video codec (to view the video clips of this site). Beginning with November 2009, video clips are compressed and dìsplayed as Flash video. Download the Flash player as automatically requested.
	Notice: To view the non-Flash video clips: 1. Download and install the free VP3 codec v. 3.2.6.1 (On2 Technologies™) here: http://svn.xiph.org/releases/vp3/3.2.6.1/ or, download directly here the installer for the codec (recommended): - Windows installer: VP3_VFW_Win.exe - Quicktime installer: VP3_QT_Win.exe (Prevous visualization problems with Nvidia and Ati Radeon video cards have been fixed). 2. Click on still frames to view video clips as indicated (when available). Suggestion: Begin by browsing the Monthly Image pages.

	Risoluzione minima del monitor: 800x600 pixels Selezionare "caratteri piccoli" sul display del monitor Si raccomanda modem con banda minima di 56.6Kbps Browser Microsoft Internet Explorer 5 Media Player: settare lo zoom set al 100% and selezionare "Repeat forever" nelle opzioni di playback Scarica Windows Media Player I video clips di questo sito web sono stati compressi utilizzando il codec VP31 della ™, Scarica il codec video VP3.2 (per visualizzare i clip video di questo sito) A partire da Novembre 2009, i video clip sono compressi e visualizzati come Flash video. Scaricate il player Flash come richiesto automaticamente.
	Avviso: Per vedere i clip video non-Flash: 1. Scaricare ed installare (gratis) il codec VP3 v. 3.2.6.1 (On2 Technologies™) quì: http://svn.xiph.org/releases/vp3/3.2.6.1/ oppure, scaricare direttamente quì l'installatore per il codec (raccomandato). - Windows installer: VP3_VFW_Win.exe - Quicktime installer: VP3_QT_Win.exe (Risolti i problemi di visualizzazione con schede video Nvidia ed Ati Radeon). 2. Cliccare sulle immagini fisse per vedere i video clip come indicato (quando disponibili). Suggerimento: Cominciare visitando le pagine delle Immagini del Mese.

Website pages	Created using Microsoft FrontPage2000 ™

Image acquisitions (hardware)	Digital analog to digital acquisition from standard s-VHS output of echocardographic equipment using different acquisition cards (in chronological order): 1. Fast AVMaster ™ (16:1 compression through Fast Mjpeg proprietary codec) 2. Matrox ™ (14:1 compression through Matrox proprietary codec) 3. Dazzle Holliwood DV Bridge ™ (approx 4-6:1 compression through Dazzle DV codec). Since 2007, MPEG-4 compression of DICOM files stored on server by the echocardiographic machines.

Image acquisitions during clinical activity (software)	Until 2007: Echocardio software (contact the Author for information) in Windows2000 Professional™ system. Since 2007: Medimatic software (Compacs in the USA)

Video clip editing software	Digital re-compression, cropping and editing of acquired clips using: 1. Adobe Premiere ™ 2. VirtualDub Software (freeware) 3. Medimatic (Compacs in the USA)

Storage media	CD, hard disk

Storage and display compression codecs	1. Radius Cinepak codec v. 1.10.0.6 (included in Windows™ OS), or 2. DivX 4.11 Mpeg4 (available free for personal use online at DivX Networks™: http://www.divx.com/), or 3. Microsoft MPEG-4 Video Codec V2, or 4. Flash video (Sorenson and On2 codecs)

Image Frames	1. Acquired as Bitmaps from s-VHS echo output, or 2. Acquired from the stored video clips using VirtualDub Software (freeware), or 3. Acquired as JPEGs using Medimatic software (Compacs in the USA). Editing, cropping and re-compression in jpeg format using Adobe Photosop v3™. Final format: approx 300x400 pixels in 20-30 Kb files.