One parameter of noise , the peak versus average energy contents , or crest factor , is important for testing purposes , such as for audio power amplifier and loudspeaker capabilities .
The signal power is a direct function of the crest factor .
One parameter of noise , the peak versus average energy contents , or crest factor , is important for testing purposes , such as for audio power amplifier and loudspeaker capabilities because the signal power is a direct function of the crest factor .