Data CDs, on the other hand, hold anything. Theyâre just another media on which you can store files from your computer. The format of a data CD is even similar to the format of your computerâs hard disk. It has a file system, directories, folders and files. But your car stereo knows nothing about file systems, folders and the like. All it knows is how to stream that raw audio data off of an audio format CD. While your computer can do that it too, itâs also a general-purpose device that understands the format of a data CD. But thatâs not the only difference. Remember that I said that an audio CD is uncompressed.
*To calculate optimal viewing distance in meters instead of feet, the formula is pixel pitch x 2.5. How to estimate optimal display size. Modular, built-to-order Christie Velvet LED display tiles can be configured into virtually any size and shape.
1.17 times the square root of your height of eye = Distance to the horizon in nautical miles. For example, if your height of eye is 9 feet above the surface of the water, the formula would be: 1.17 times the square root of 9 = Distance to the horizon in nautical miles. 1.17 * 3 = 3.51 nautical miles. If you want to calculate the distance at which an object becomes visible, you must know your height of eye and the height of the object.