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February 01, 2008 Edition Nr: 006
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Presentation questions asked by our readers.
In each new edition of the 123PPT.com Newsletter, we also publish questions asked by our readers from the previous Newsletter, so that you can read the advice and help offered to other readers.
A list of questions asked by our readers in the last edition of the 123PPT.com Newsletter can be seen below:
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Hi Louise, I'm using my scanner to scan in images to PowerPoint but they seem very large and my presentation has slowed down enormously.
When I use the software with that accompanied the scanner I have followed all the instructions and it seems as though I have followed things correctly. But is there something I am doing wrong? Images shouldn't slow down my presentation or make it dfficult to load should it? |
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Hi Dianna, thanks for your question.
Put simply, when using scanned photos in Microsoft PowerPoint, it is important to remember that the greater the image size, the longer PowerPoint will need to load and display the image.
Often when scanning images, the scanners settings are set to 300dpi or greater. While this is recommended for print and hard copy output, it is far in excess to the needs of your presentation for screen. For whilst printing below 300dpi can often cause problems with the photographic quality of output, your monitor and screen does not display to greater resolutions above 72dpi. In other words, all images with a resolution greater than 72dpi are not optimized for screen use, and cause in effect applications such as PowerPoint to use ore processing power and time to load and display them than otherwise necessary.
A great tip for all presenters is to make sure that images and content graphics are saved at 72dpi. This will make presentations load faster and run smoother, making accurate timings and pacing of the presentation possible.
To optimize any scanned photo in PowerPoint:
- Open the photo or graphic within an image editor such as Adobe Photoshop, or Paint Shop Pro, .
- Select Image Size from the main menu option Image.
- Note the Width and Height of your photo under Pixel Dimensions.
- In the Resolution field write 72, and select pixels/ inch from the pull down menu to its right.
- Notice the Width and Height numbers have changed. To maintain the photo's size write in the Width and Height details which you noted earlier.
- Click Ok.
- Choose Save As from the File main menu option, and save your image. The image is now at the same aspect ration and size as it was earlier, only optimized for PowerPoint and screen use.
- Import the photo into PowerPoint.
Though this may seem like additional work Dianna, the results are very impressive, reducing the size of your photo images without decreasing their onscreen quality, and increasing the speed and reducing the loading time of your presentation.
Happy editing!
Regards,
Louise Harding, Director of Photo and Image laboratory 123Powerpoint.com |
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