Dolby/DTS setup
Dolby Pro Logic II
The absolute system refers to the notion that most people thinking of the number 0 as meaning nothing, e.g., no sound at all. In this system, 0 means “sound off” and larger numbers indicate high volumes. While this is intuitive, the only way you have any idea how loud a particular setting is would be through experience.
In the relative (THX) system, there is a calibrated, reference volume at which movies are played in theaters, which is duplicated in your environment and referred to as “0 dB.” Regardless of how large or how small the theater, a setting of “0 dB” is always the same, known volume. Changes from that volume level are shown as either positive (louder) or negative (quieter). People who have spent any time making recordings will recognize that this is similar to the notion of “0 dB” on a record level meter.
In any event, you may choose either system depending on which one makes the most sense to you personally.
The
While they differ in the details of their implementation and in the subjective result, on a conceptual level they do the same thing: they analyze the information embedded in
Dolby Pro Logic II has three user-adjustable parameters.
Panorama is a simple on/off toggle (highlighted means “on”) that will present a wider and deeper front soundstage. This effect is somewhat
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