H.264: Using High versus Main profile

A common question for many users is what level profile to use with H.264 encoding for web streaming.

Baseline – for low definition (LD) 320×240 or smaller, compatible with older 3G mobiles
Main – for standard definition (SD) to 640×480, good for modern smartphones and tablets
High – for high definition (HD) to 1920×1080, best for big screens with a good decoder


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