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5,577,190
11
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The improved media composer of the invention has been
of sliders as an interface to allow an operator to set values
updated to provide image input and output instrumentation
in the form of a waveform monitor, a vectorscope and black
level controls as shown in FIGS. 5a and 5b. This improved
Video Tool allows the operator to save and load settings for 5
contrast, luminance, hue and saturation. Such settings con
trol the video coprocessor 29 and adjust incoming data. The
waveform generator and vectorscope are analogous to their
is well known in the art.
Keyboard layout is shown in FIG. 6 and the function of
the keys is set forth in Table 2. The keyboard 22 is
augmented by the mechanical user interface 24. The
mechanical user
TABLE 2
USB Keyboard
Function
(y/n) Equivalent
l-Frame Back
l-Frame Forward
lO-Frame Back
lO-Frame Forward
Al track on/off
A2 track on/o?‘
A3 track on/olf
A4 track on/oif
activate source/record
monitor
All Stop
Clear IN
Clear OUT
Clear Marks
Copy to Clipboard
Go to IN
Go to OUT
Go to Prev Edit
3
4
I
2
9
0
motion control
motion control
motion control
motion control
track selector
track selector
-
track selector
button
button
button
button
:
track selector
ESCAPE
moved from * on numeric keypad
SPACE BAR
D
F
G
C
Y
Y
Y
Y
Exit Mouse Shuttle
Extract
Fast Forward
Find Frame
Full Screen on/off
Notes
SPACE BAR
X
U
I
Y
Y
'
deck control function
mode toggle
Y Q
Go to Next Edit
Y
Y
Y
W
A
S
Y
Y
Z
T
Y
Y
E, I
R, 0
M
two equivalents for convenience
two equivalents for convenience
Trim Mode function-trim buttons
<
B
K
Trim Mode function-trim buttons
Graphics track on/oif
Lift
Mark Clip
Mark IN
Mark OUT
Minus 10 Frames
Minus l Frame
Overwrite
Pause
7
Y
Play
Y
5
track selector
except in Trim Mode; mouse shuttle and
deck control function
moved from Tab. The big Play button
can be con?gured as Play IN to OUT or
Play IN to OUT
Plus 1 Frame
Plus 10 Frames
Rewind
Safe Title/Action
Shuttle Back
Shuttle Forward
Y
Y
6
>
Shuttle Forward
see Play
Trim Mode function-trim buttons
/
Y
Trim Mode function—trim buttons
deck control function
1
J
L
mouse shuttle and deck control function
except in Trim Mode; mouse shuttle and
<
M
>
‘I
V
L
;
except in Trim Mode
except in Trim Mode
except in Trim Mode
except in Trim Mode
deck, control function
Slip Left (1 frame)
Slip Left (10 frames)
Y
Slip Right (1 frame)
Slip Right (10 frames)
Y
Splice
Y
Trim Both
Trim Incoming
Trim Outgoing
Video track on/o?‘
K
8
Delete Clip/Sequence
DELETE
only in Trim Mode
only in Trim Mode
only in Trim Mode
track selector
opens delete dialog box from Bin menu
(from a bin)
60
analog counterparts which are well known in the art. An
operator viewing the waveform generator and vectorscope
interface 24 is shown in more detail in FIG. 7. The interface
24 includes a track ball 50 and a speed controller 52. As with
may use the sliders 100,101, 102 and 103 to respectively set
a mouse, the track ball 50 may be used to locate a cursor on
values for hue, saturation, luminance and contrast. These
the monitors. Buttons 54 and 56 serve functions like those
provided by the click button on a mouse. It is preferred that
the speed control 52 have detents for zero speed normal
forward speed (30 frames per second) and a reverse normal
values control the video processor, in a manner known in the 65
arts which adjusts incoming data accordingly. The line of a
frame may be selected for viewing using slider 104. The use