Reference Guide

1382
PRV Tool Configuration dialog
into both left and right. The alternatives are:
• -3 dB. This is the right amount to distribute into two acoustic sources to reach the same
sound power level, thus keeping the far-field level (in the reverberant listening field, as is
typical at home) equal. This is the amount by which a standard sin-cos panner redistributes a
center panned image into left and right, for instance.
• -4.5 dB. Since -3 dB and -6 dB represent the extreme limits (of power addition on the one
hand, or of phase-dependent vector addition on the other), an intermediate, compromise value
was seen as valuable, since the correct answer has to be -4.5 dB +/- 1.5 dB.
• -6 dB. This covers the case where listening is dominated by direct sound. Thus, the two
source signals add up by 6dB rather than by 3 dB, because they add as vectors, as voltages
do, rather than as power does.
• Surround Level. Surround Downmix Level is the amount of Left Surround to mix into Left, and
Right Surround to Right, when mixing down from any surround-equipped format to 2 channel. The
available options are:
• -3 dB. The amount by which mono surround information, from many movie mixes before
discrete 5.1 was available, mixes down to maintain the same level as the original.
• -6 dB. An amount that makes the mixdown of surround content not so prominent, based on
the fact that most surround content is not as important as a lot of front content. This helps to
avoid competition with dialog, for instance, by heavy surround tracks in a mixdown situation.
• -INF. Necessary for cases where the surround levels are so high that they compete with the
front channels too much in mixdown situations.
• LFE Level. Choose -INF or -12 dB.
PRV Tool Configuration dialog
When you use the Options > PRV Tool Configuration command, the PRV Tool Configuration
dialog box appears.
You use the PRV Tool Configuration dialog to configure the Piano Roll tools. In order to assign a
specific action to a Piano Roll tool, you must specify the following:
• Piano Rool tool. Specify PRV Tool 1 ( ), PRV Tool 2 () or PRV Tool 3 ().
• Mouse button. Specify the left, middle or right mouse button.
• Keyboard modifier key(s) (optional). Specify the CTRL, SHIFT or ALT key, or any
combination of the three.
• Mouse location (context). Specify one of the seven clickable mouse locations (see “Mouse
Location” on page 1384).
• Tool action. Specify one of the many available mouse actions (see “Tool Action” on page 1385).
The objective is to map each of the contexts (mouse locations) to a tool action.