As well as preventing overmodulation, it boosts the level of quiet signals so that undermodulation is also avoided-this can lead to poor signal penetration in noisy conditions, and is particularly important for voice applications such as radiotelephones.
As well as preventing overmodulation, it boosts the level of quiet signals so that undermodulation is also avoided. Undermodulation can lead to poor signal penetration in noisy conditions, consequently VOGAD is particularly important for voice applications such as radiotelephones.