LATEST ADDITIONS

While reviewing the Onkyo TX-SR806 receiver ($1099) I did some to-ing and fro-ing with the THX and Audyssey people regarding THX Loudness Plus and Audyssey Dynamic EQ. These new loudness corrections operate in roughly the same territory--but in a different manner. Their common goal is to compensate for sonic losses that occur naturally at lower volume levels. As volume drops, the frequency response of human hearing changes. Loudness Plus and Dynamic EQ both tackle this problem by adjusting channel levels and frequency response. But beyond that, there are differences between them, and I asked the THX and Audyssey people to be specific about those differences. Here's what they said.