[BC] DTV Audio Levels

[padrino at telos-systems.com]

Good processing for TV will not require 10 ms of time.

-Frank Foti

 >Found the reference.
 >
 >Lip-sync is another can of worms altogether. We'll discuss the causes
 >more fully in a future article, but suffice it to say that musicians
 >begin to grumble about timing errors of about 10 ms. A frame of error is
 >about 33 ms, and it is pretty easily noticed by lay viewers, particularly
 >when the audio leads the video (which never happens in nature).
 >Informally, I personally perceive lip-sync error magnitudes in terms of
 >(a) "something's not right"-10 to 50 ms error, (b) half-word error-50 to
 >150 ms, and (c) whole word error-more than 150 ms error.

 >Brian Urban