Optimal Frame Dimensions for Flash Video Compiled by Robert Reinhardt September 24, 2007 Video codecs such as On2 VP6 and Sorenson Spark perform best when the frame width and height use multiples of 16. While you can use any width and height in your encoding settings, non-optimal dimensions can result in poor image quality and [...]
Optimal Frame Dimensions for Flash Video
Video codecs such as On2 VP6 and Sorenson Spark perform best when the frame width and height use multiples of 16. While you can use any width and height in your encoding settings, non-optimal dimensions can result in poor image quality and reduced frame rate. For the best image quality and playback, you should always use width and height dimensions that use a multiple of 16 (best), 8 (better), or 4 (good)
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Table 2 – 16:9 Aspect Ratio Sizes Best (16) Better (8) Good (4)
1280 x 720 1152 x 648 1216 x 684
1024 x 576 896 x 504 1088 x 612
768 x 432 640 x 360 960 x 540
512 x 288 384 x 216 832 x 468
256 x 144 128 x 72 704 x 396
576 x 324
448 x 252
320 x 180
192 x 108