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Panasonic Multi Format Live Switcher Av Hs450n Operating Instructions
Panasonic Multi Format Live Switcher Av Hs450n Operating Instructions
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51 3. Basic operations Execute the transition. Press the [AUTO] button in the transition area to automatically execute the transition at the transition time that has been set. Alternatively, execute the transition manually by operating the fader lever. Key auto transition When the [KEY ON] button in the transition area is pressed, the transition is automatically executed at the transition time that has been set. During key in, the indicator of the [KEY ON] button blinks in red, and it lights in red when the transition is completed. If the [KEY ON] button is pressed with the picture completely keyed in, the Key image transition (key out) is executed. During key out, the indicator of the [KEY ON] button lights in red, and it goes off when the transition is completed. If the [KEY ON] button is pressed during the transition, the transition direction is reversed. 3-4-4. Key preview Key preview images can be output to the preview output, and the keys can be adjusted and checked. On the KEY menu, turn [F1] to display the KEY sub menu. Turn [F5] to set the preview mode using the PVW item. On: An image with key effects added is output to the preview output. Off: An image with no key effects added is output to the preview output. Auto: The preview image of the next transition is output to the preview output.
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52 3. Basic operations 3-4-5. Adjusting the luminance key and linear key These steps are taken to adjust the luminance key and linear key definition. Press the [KEY/CKEY] button to light its indicator, and display the KEY menu. Refer to “2-1-5. LCD menu area”. Turn [F1] to display the Adjust sub menu. KEY 2 | Clip | Gain | Density | Invert Adjust | 0.0| 100.0| 100.0| Off Turn [F2], [F3] and [F4] to adjust the key definition. Turn [F5] to set key invert. When On is selected, the key signals to be generated internally are inverted. Operation Parameter Description of setting Setting range F2 Clip Reference level for generating key signals 0.0 to 108.0 F3 Gain Key amplitude 0.0 to 200.0 F4 Density Key density 0.0 to 100.0 F5 Invert Key signal inversion On, Off
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53 3. Basic operations 3-4-6. Adjusting the chroma key Sampling is executed for the selected key materials to adjust those aspects of the key that are to be compensated. Step 1 To execute the sampling automatically CHRKEY 1 | AutCmp↓ | | | RESET↓ AutoCmp | | | | Press the [KEY/CKEY] button to light its indicator, and display the CHR KEY menu. Refer to “2-1-5. LCD menu area”. Turn [F1] to display the AutoCmp sub menu. Press [F2] to execute the sampling automatically. To undo what has been sampled, press [F5]. To execute the sampling manually Press the [KEY/CKEY] button to light its indicator, and display the CHR KEY menu. Refer to “2-1-5. LCD menu area”. CHRKEY 2 | View | Mode | | UNDO↓ Sample1 | Cmpsit| SelBG| | Matte Proc.FG FG Cln.BG Cln.FG Spl.Spg Turn [F1] to display the Sample1 sub menu. Turn [F2] to select “Cmpsit” using the View item. Cmpsit: Composite image that combines the background image and key Matte: Matte image Proc.FG: Process foreground image FG: Foreground image Turn [F3] to select “SelBG” using the Mode item. SelBG: A color for the background of the foreground image is specified. Normally, either a blue or green background is specified. Cln.BG: The noise in the background image is removed. Cln.FG: The noise in the foreground image is removed. Spl.Spg: The noise remaining in the detailed areas is removed. Use the positioner to move the position of the sample marker. To change the size of the sample marker, turn the rotary encoder [Z]. If the sample area that has been set is acceptable, press the rotary encoder [Z]. The area that has been set is now sampled. To return to the pre-sampling status after sampling has been executed, press [F5]. The number of operations that can be undone is one only.
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54 3. Basic operations Step 2 The objective of this step is to remove the noise in the background image. The noise is removed by carrying out this step several times. On the CHR KEY menu, turn [F1] to display the Sample1 sub menu. CHRKEY 2 | View | Mode | | UNDO↓ Sample1 | Matte| Cln.BG| | Turn [F2] to select “Matte” using the View item. Turn [F3] to select “Cln.BG” using the Mode item. Using the positioner, move the position of the sample marker to the position of the noise (white dots) in the background image. To change the size of the sample marker, turn the rotary encoder [Z]. If the sample area that has been set is acceptable, press the rotary encoder [Z]. The noise in the area that has been set is now removed. To return to the pre-sampling status after sampling has been executed, press [F5]. The number of operations that can be undone is one only. After the noise is removed Before the noise is removed
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55 3. Basic operations Step 3 The objective of this step is to remove the noise in the foreground image. The noise is removed by carrying out this step several times. Turn [F2] to select “Matte” using the View item. CHRKEY 2 | View | Mode | | UNDO↓ Sample1 | Matte| Cln.FG| | Turn [F3] to select “Cln.FG” using the Mode item. Using the positioner, move the position of the sample marker to the position of the noise (white dots) in the foreground image. To change the size of the sample marker, turn the rotary encoder [Z]. If the sample area that has been set is acceptable, press the rotary encoder [Z]. The noise in the area that has been set is now removed. To return to the pre-sampling status after sampling has been executed, press [F5]. The number of operations that can be undone is one only. After the noise is removed Before the noise is removed
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56 3. Basic operations Step 4 After steps 1 to 3 have been carried out, noise will still remain in the detail areas such as the subjects hair as shown in the image on the right. If there are many areas with noise, the noise is removed by carrying out this step several times. If there are few areas with noise, adjust the noise using the Spill(+) item and Spill(-) item of the Sample2 sub menu. Turn [F2] to select “Cmpsit” using the View item. Turn [F3] to select “Spl.Spg” using the Mode item. CHRKEY 2| View | Mode | | UNDO↓ Sample1 | Cmpsit|Spl.Spg| | Using the positioner, move the position of the sample marker to the position of the remaining noise. To change the size of the sample marker, turn the rotary encoder [Z]. If the sample area that has been set is acceptable, press the rotary encoder [Z]. The noise in the area that has been set is now removed, and the colors become more natural. To return to the pre-sampling status after sampling has been executed, press [F5]. The number of operations that can be undone is one only. Execute sampling in both the light and dark areas as the sample area. If the noise in the foreground image is not completely removed by carrying out the steps above, proceed with the FineTun sub menu operation.
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57 3. Basic operations Step 5 The objective of this step is to finely adjust the image by adjusting the noise and transparency, for example. On the CHR KEY menu, turn [F1] to display the Sample2 sub menu. CHRKEY 3 | View | Mode | | UNDO↓ Sample2 | Cmpsit| Spill-| | Matte Proc.FG FG Spill+ Matte- Matte+ Detail- Detail+ MatSpng MkFGTrn RstrDtl Turn [F2] to select the image to be adjusted using the View item. Cmpsit: Composite image that combines the background image and key Matte: Matte image Proc.FG: Process foreground image FG: Foreground image Turn [F3] to select the adjustment function using the Mode item. For details on the items, refer to the following pages. Using the positioner, move the position of the sample marker to the position to be sampled. To change the size of the sample marker, turn the rotary encoder [Z]. If the sample area that has been set is acceptable, press the rotary encoder [Z]. The area that has been set is now sampled. To return to the pre-sampling status after sampling has been executed, press [F5]. The number of operations that can be undone is one only.
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58 3. Basic operations [Spill–] [Spill+] In these modes, the noise in the foreground image can be removed or restored step by step through repeated sampling. [+] Spill [–] [Matte–] [Matte+] In these modes, the matte information is adjusted. If, for instance, the area of shadow in the foreground image is to be made lighter, use [Matte-] to adjust. Conversely, to make it darker, use [Matte+]. Transparent images such as images of smoke or water can be made to stand out more. [–] Matte [+]
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59 3. Basic operations [Detail–] [Detail+] In these modes, the noise in the background image can be removed step by step. This is a useful way of adjusting images lost by other sampling operations to adjust the texture or transparency of images. [–] Detail [+] [MatSpng] In this mode, the semi-transparent parts of the subject in a foreground image are selected and made matte (non-transparent). Unlike [Cln.FG] on the Sample1 sub menu, the color information is not changed in the process. With [Cln.FG], the colors of the selected parts are restored to their original colors but, with [MatSpng], only the semi-transparent keys are made matte (non-transparent) while the colors remain unchanged and the original colors are not restored. [MkFGTrn] In this mode, the transparency of areas with a low transparency in the foreground image is increased. This is useful when, for instance, areas covered with dark smoke or clouds in a foreground image are to be made semi-transparent. [RstrDtl] In this mode, the transparency of areas with a high transparency in the background image is reduced. This is useful when, for instance, restoring the details of an image (such as an image with a subject who has loose hair or an image with smoke), which have been lost as a result of a [ClnBG] or other such operation on the Sample1 sub menu, to what they were in the original image.
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60 3. Basic operations [FineTun] In this mode, detailed images can be adjusted. On the CHR KEY menu, turn [F1] to display the FineTun sub menu. CHRKEY 4 | View | Spill | Trans | Detail FineTun | Cmpsit| 0| 0| 0 Turn [F2] to select [Cmpsit] using the View item. Turn [F3] to remove or restore the noise using the Spill item. When it is turned clockwise, a large amount of noise is removed from the foreground image, and the image colors increasingly approach the complementary color (opposite color) of the blue screen. When it is turned counterclockwise, the image colors approach the colors of the original foreground image. By turning [F4] clockwise, the matte of the colors closely resembling the colors of the foreground image can be adjusted using the Trans item. This is useful when, for instance, making the parts covered by dark smoke, clouds or other such objects in the foreground image semi-transparent. By turning [F5] clockwise, the matte information for the colors closely resembling the colors of the background image can be adjusted using the Detail item. This is useful when, for instance, restoring the details of an image (such as an image with a subject who has loose hair or an image with smoke), which have been lost in the foreground image as a result of sampling, to what they were in the original image.