Audio effects – Apple Compressor (4.1.2) User Manual

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Chapter 5

Advanced tasks

77

Watermark: Superimposes a still image or a movie file onto the video. This effect contains the
following properties:

Position: Choose a position for the watermark from the pop-up menu, such as Center, Lower
Left, Lower Left–Title Safe, and so on.

Scale by: Drag the slider to set the watermark image’s scaling between 1 (actual size) and 10
(10 times the actual size). (You can also double-click the value and type a new value.)

Alpha: Drag the slider between 0 (completely transparent) and 1 (completely opaque) to
adjust the watermark’s opacity. (You can also double-click the value and type a new value.)

Repeat: If you are using a video clip for the watermark image, select this checkbox to loop
the playback of the watermark clip throughout the duration of the source file.

Watermark: Click the Select button specify a still image or video file to use for the watermark.

Audio effects

Choose an audio effect from the Add Audio Effect pop-up menu in the Audio inspector:

Note: Audio effects are not available in some settings when the “Copy audio tracks from source”
checkbox is selected in the Audio inspector.

Apple: AUGraphicEQ: Configures a wide variety of frequencies throughout the audible
frequency range. Click the Options button to open the graphic equalizer window, and then
choose either a 31-band version or a 10-band version from the pop-up menu at the bottom.

Adjust frequencies by doing any of the following:

Drag a slider to adjust the level of a frequency band.

Select a frequency slider and then type a number in the dB field (in the lower-right corner of
the graphic equalizer window).

Click the Flatten EQ button to set all bands to a 0.0 dB value.

Drag to select multiple bands and then adjust the group.

Hold down the Control key while dragging across the bands to “draw” an equalization curve.

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