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What format are photos stored as on a DVD? |
Our wedding photographer is planning on storing our wedding pics on a CD, high resolution JPEG format. I have seen that other photographers use DVD's. Is there any difference in quality when storing images on CD-vs-DVD, or is it just a matter of the DVD's holding more images than a CD's. I know very little about this, so any thoughts or info you have would be helpful!! Thanks!! A DVD or CD can hold images of any format. The difference is just a matter of storage capacity and the drive needed to read the CD/DVD media. A writable DVD can hold upto 4.7 GigaBytes (some new dual layer DVD's can hold up to 9 GB)while a writable CD can hold 640 MegaBytes . For example if a jpeg images takes 2 MB, then you can store about 320 images on a CD and 2400 images on a DVD. In other words a DVD can hold 75 times the data which a CD can hold. Thats a big difference. Try to find out from the photographer the native resolution of the images he took of the wedding. Its possible that he might try to sqeeze in more images into a CD by reducing their native resolution through software compression. CD media is generally cheaper than DVD. Ask the photographer not to reduce the native resolution of the original images. You might want to make big poster prints of some of the shots and reduced resolution will effect the quality of the image if you want to make big poster type prints You may also want to make sure that you have a DVD drive on your PC from which you can play a slideshow of the pictures. Source(s): http://en.wikipedia.org/wiki/dvd... There is no difference in quality because the quality is in the file. DVD's just hold a lot more. Personal experience. Exact same format. No difference in the quality of the images. The only difference is that the DVD holds many more files. |
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