CONTROL DEL PLAN DE ACCIÓN POR ESTRATEGIA APLICADA

Collaborate Desktop provides several ways to improve video quality both during a

videoconference and offline. You can control color quality, camera focus and movement (PTZ cameras only), and usage of video-enhancing technologies. This chapter provides instructions for:

 _{The Camera Controller}  _{The PTZ Camera Controller}

 _{Adjusting the Color of the Local Video}

 Controlling a Pan / Tilt / Zoom (PTZ) Camera

 _{Preset Camera Positions}

 Switching Between Video Sources

 _{Muting the Outgoing Video}  _{Adjusting Call Properties}

60 Collaborate Desktop: User Guide

THE CAMERA CONTROLLER

In the Camera Controller, you can make color quality adjustments. It has separate sliding controls for color, contrast, brightness, hue and sharpness.

If you're using a USB camera, click Advanced to access additional settings, such as sharpness and advanced adjustments.

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THE PTZ CAMERA CONTROLLER

In the Pan/Tilt/Zoom (PTZ) Camera Controller, you can:

 Make color quality adjustments. It has separate sliding controls for color, contrast,

brightness and hue (local video only).

 _{Control camera positioning.}

62 Collaborate Desktop: User Guide

ADJUSTING THE COLOR OF THE LOCAL VIDEO

To improve video color, adjust the brightness, color, contrast and hue of the local video. To adjust the color of the local video:

 _{In the Local Video window, click the Adjust Picture button . The Camera Controller}

appears.

 To decrease a setting, drag the appropriate slider to the left.

 To increase a setting, drag the slider to the right.

 To return to the original settings, click Defaults.

NOTE: Any adjustments to the local video image also affect the remote

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CONTROLLING A PAN / TILT / ZOOM (PTZ) CAMERA

If you and/or the remote party is using a Pan/Tilt/Zoom (PTZ) camera, you can control their positioning. In addition, you can control the color settings of a local PTZ camera. In addition, you may have to manually adjust the lens focus on the front of the camera.

NOTE: If the remote party is using a ClearOne videoconferencing

product, it may also control the positioning of your PTZ camera.

To control a PTZ camera:

 _{Through the Camera Controller:}

 Click the Camera Controller button below the Local or Remote Video window. In the Camera Controller, you can:

 Adjust the brightness, color, contrast and hue of the local video.  Click the up and down arrow buttons to tilt the camera up and down.  Click the left and right arrow buttons to pan the camera from side to side.  Click the + button to zoom the view closer in or the – button to zoom the view

farther out.

You can store and recall up to 6 preset camera positions for repeated use.

 Within the Video Window:

 Place the mouse pointer inside the Video Window displaying video from a PTZ camera. The pointer changes according to its location within the window. Press the left mouse button (except where noted below) to move the camera.

Zoom in (left mouse button) or zoom out (right mouse button).

Tilt up left Tilt down right

Tilt up Tilt up right _{Pan left}

64 Collaborate Desktop: User Guide

PRESET CAMERA POSITIONS

If you want to save the camera’s current position for future use, you can save it as a preset position. At any time afterwards, you can recall this preset position to save adjustment time.

S

AVING A

P

RESET

P

OSITION

To save the current position as a preset position:

1. Position and zoom the camera.

2. In the number list, select any number from 1 to 6. Each number button represents a preset position.

M

OVING TO A

P

RESET

P

OSITION To move to a preset position:

 Click one of the Save Presets buttons.

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SWITCHING BETWEEN VIDEO SOURCES

Collaborate Desktop supports the use of both Web cameras and Pan/Tilt/Zoom (PTZ) cameras. If two cameras are connected, you can switch between them both during a videoconference and offline.

To switch to another connected camera:

1. Click the Select Video Source button .

66 Collaborate Desktop: User Guide

MUTING THE OUTGOING VIDEO

You may want to prevent video from being transmitted to the other participant. During a videoconference, you can temporarily stop transmitting video.

To mute the outgoing video

 _{In the Local Video Window, click the Mute Video button.}

The system stops transmitting video, sending a graphic to the remote side instead. The incoming video is not affected. The Mute button changes to .

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ADJUSTING CALL PROPERTIES

During a videoconference, you can make adjustments to the video transmission. The Call Properties provide controls for video quality (frame rate) and synchronization of audio and video.

This tab is available only during an open videoconference. How to access these settings:

1. In the Control menu, choose Adjust Call Properties. -or-

Open the Drawer, click the Conference tab. 2. Click the Properties tab.

S

YNCHRONIZING

V

IDEO AND

A

UDIO

If you notice that the video and audio are out of sync (for example, you hear voice only after the other party’s lips move), you can adjust the Lip Synch.

To adjust the Lip Synch:

1. Drag the slider towards Delay Video if you hear the audio after the video movement, or towards Delay Audio if you see the appropriate video movement only after you hear the audio.

2. Click Defaults to return to the default setting. If you are unsatisfied with the adjustment:

 _{Click Undo to return to the previous setting, discarding the last change.}

V

IDEO

F

RAME

R

ATE

/Q

UALITY

Increasing the video frame rate provides smoother video. However, the video image is sharper by lower frame rate. Drag the slider until you reach optimum balance between the two.

Click Undo to return to the previous setting, discarding the last change.

68 Collaborate Desktop: User Guide

Chapter 5:

Controlling Audio

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