This is an amazing example of moving forward without breaking changes ... We could probably do better with our software too. Another interesting example of cre

This is an amazing example of moving forward without breaking changes ... We could probably do better with our software too. Another interesting example of creating a compatible signal is the addition of chroma information to the black and white NTSC television signal. The original signal was modulated using VSBAM and the chroma signal was added to (predominantly) the high frequencies of the channel.