That created a new, much faster version of method, and we helped define and adopt a new high-efficiency image format with advanced compression.

这会带来一个新的、更高效的版本，此外我们还帮助定义并采用了带有先进压缩技术的高效图形格式。

This same idea is the basis of lossy compressed image formats, most famously JPEGs.

同样的想法是有损压缩图像格式的基础，最著名的是 JPEG。