MacroSystem Digital Video HDV-Recorder Uživatelský manuál stáhnout pdf (Strana 82)

Chapter 4

The wave form is the tool to use to increase or reduce the

volume of an audio segment within an audio sample, for

example in order to eliminate a loud unwanted noise. Click on

the desired audio sample to highlight it in blue, then select the

Envelope menu item.

(a) The volume of the selected audio sample is displayed as a

wave form at the top of the envelope window. Above it you will

see a representation of all sound tracks for a better overview.

(b) The volume of the selected audio sample can be increased

or reduced selectively in the volume display directly below

the wave form display by means of the rubber-band function.

In this case, ﬁrst specify the editing points within the audio

sample at which the volume is to be increased or reduced.

Insert these points either by left-clicking in the volume display

close to the desired position, or by clicking on the Add button

below the volume display. Now activate one of the new points

either by clicking on it directly, or by selecting it with the aid of

the scrollbar and the function for stepping through individual

frames on the right-hand side below the volume display. The

color of the active point changes from red to green. The point

can then be positioned exactly as follows.

•Positioninginthevolumedisplay

Click on the activated (green) point again. It changes color

from green to blue. Drag the point horizontally to the desired

time position in the volume display. To increase or reduce

the volume, move the point upwards (louder) or downwards

(softer). Note that the ﬁrst and last points in the volume display

cannot be moved horizontally, i.e. against time. Left-click again

to conﬁrm the position of the point.

•Positioningbymeansofthelevelslider

After clicking on Position, the active point can be moved

horizontally to the desired time position. Use the level slider to

select the volume at the desired point in time. When you drag

the Level slider to the right, the volume will be increased. Drag

it to the left to reduce it.

•Positioningagainstthevideobackground

To determine the position of a point according to its location

within the video, click on Range. The start position can be

(14) The Effects button calls up the Audio Effects menu. Audio

effects can be applied to either a single audio sample or a

complete sound track.

•Toaddanaudioeffecttoanaudiosample,rstselectthe

desired audio sample, which is then highlighted in blue. Then

click on Effects.

•Toaddanaudioeffecttoasoundtrack,calluptheAudio

Effects menu as described under item (3) by means of the fx

button to the left of the sound tracks. The audio effects are

divided into several categories:

All effects are displayed.

Standard Only the effects contained in the Bogart SE software

are displayed.

Optional Only the effects from any add-on software packages

are displayed.

[Effect Package] Only the effects from the current Effect

Package concerned are displayed.

In order to combine multiple audio effects within one sample,

note - as is the case for the clipboard and when importing CDs

- the small box above the vertical slider. Click into the box until

you can see a checkmark. Now you can activate all desired ef-

fects one after the other. If the box contains horizontal stripes,

all effects will be selected. There is also an archive here, in

which you can store the previously selected effect combination

for later use in other sound recordings.

(15) Volume control by means of wave form

The Envelope (audio wave form) of an audio sample can be

edited directly with the Rubber Band function by means of the

Envelope button. First select the desired audio sample, after

which it is highlighted in blue. Then click on Envelope.

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