H. 264 is typically used for lossy compression .
It is also possible to create truly lossless - coded regions within lossy - coded pictures or to support rare use cases for which the entire encoding is lossless .
H. 264 is typically used for lossy compression , although it is also possible to create truly lossless - coded regions within lossy - coded pictures or to support rare use cases for which the entire encoding is lossless .