What does broadcast legal mean?

- Before we discuss how to make our audio levels legal, … let's discuss what this means. … Well, it has to do with levels … and that should be really easy no, … but it isn't that clear. … You see, not all audio levels are measured the same way. … Some broadcasters may require … that an output level go no higher than minus 10 dBFS … which means decibels Full Scale measurement. … You might not even be going for broadcast, … but for YouTube or Vimeo, … in which case you will want for your levels to be higher. … So, it's a good idea to check … on your audio level requirements … or digital peak requirements before you output your work. … There is a measurement called true peak or dBTP, … which means decibels True Peak Scale. … You see when mastering audio … we want to set our levels … as high as we can without going over obviously, … so that we can compete with other tracks and pieces. … This approach will cause the audio to peak higher … than the allowed limits … because of the digital to analog conversion. …