multimedia technology emergence and application, the computer from a simple desktop system with a keyboard and monitor into a sound, microphone, headphones, joystick and CD-ROM drive The multi-function component box enables the computer to have comprehensive functions such as movies, TV, recording, video, and fax. The latest version of the Windows XP operating system is an improvement from the system-level support for multimedia functions, its DVD support technology, built-in DirectX multimedia driver, CD-ROM burning and erasing technology seamlessly connected to the operating system, and high-speed development of hardware technology. , to provide users with a more colorful interactive multimedia environment. But to get the most out of Windows XP's great multimedia features, you must properly install and set up multimedia devices, adjust Windows XP's multimedia properties settings to suit your unique work environment, and multimedia effects for your own computer system sound events. First, the installation of multimedia hardware devices in Windows XP system
To have multimedia functions, in the computer system, first install the corresponding multimedia device for processing information of various media. The basic hardware required for multimedia includes graphics cards, sound cards, speakers/headphones, and microphones. Select "System" in the "Control Panel", click "Device Manager" in the "Hardware" tab to view the hardware devices already installed on your computer, you can find "sound, video and game controllers" and "display card", etc. (Figure 1). There are many items under "Sound, Video, and Game Controllers", which do not mean that they correspond to multiple independent hardware devices. In fact, you only need to install a sound card and a graphics card. Figure 1 Right-click on a device in the Device Manager (such as a graphics card) and select Properties from the shortcut menu to open the properties dialog of the hardware (Figure 2). In the "General" tab, you can view the resource properties of the hardware, such as device type, manufacturer, operation status, and so on. Figure 2 Open the Drivers tab (Figure 3) in the Hardware Properties dialog box to view driver information for the device and update the driver for this device. If the device fails when updating the driver or after updating the driver, you can click the "Back to Driver" button here, the system will automatically help you to return to the previous driver, which is a Windows XP operating system. new function. Figure 3 If you purchase a new multimedia device such as an image capture card, etc., when you plug the hardware into the computer and reboot, the system will automatically recognize the new hardware and install the appropriate driver. If the system does not automatically recognize the new hardware, you can click the "System" icon in the "Control Panel", select the "Hardware" tab in the system properties dialog (Figure 4), click the "Add New Hardware Wizard" button New hardware can be installed manually. The steps to manually install the multimedia hardware are the same as the general hardware installation process. Figure 4 II. Setting of multimedia properties in Windows XP system
When users use multimedia, they also need to set the properties of multimedia devices according to their own configuration and usage habits, so as to fully display the multimedia functions of the system. Take advantage of the multimedia effects of the system. The system allows the user to set properties based on the installation and specific requirements of the multimedia device, such as assigning sounds to events, selecting sound schemes and volume, displaying volume controls on the taskbar, and selecting audio devices. The settings of the multimedia properties mainly include four parts: sound, audio, voice and device. The specific setting steps are as follows: 1. System sound selection and setting The system sound selection and setting is to set the sound for the events in the system. When the event is activated, the system will automatically sound the user according to the user's settings. The steps to select the system sound are as follows: (1) Double-click the “Sound and Audio Device” icon in the “Control Panel” window to open the “Sound and Audio Device” Properties dialog box (Figure 5), which provides a check to configure the system sound environment. s method. This dialog contains 5 tabs for volume, sound, audio, voice and hardware. Figure 5 (2) In the "Sounds" tab, the "Program Events" list box shows all the sound events in the current Windows XP. If there is a "small horn" sign in front of the sound event, it means that the sound event has an audible prompt. To set an audible alert for a sound event, select the sound event in the Program Events list box, then select the desired sound file from the Sound drop-down list as the sound prompt. Figure 6 (3) If the user is not satisfied with the sound file provided by the system, you can click the “Browse” button to pop up the Browse Sound dialog box (Figure 7). Select the sound file in the dialog and click the "OK" button to return to the "Sounds" tab. Figure 7 (4) In Windows XP, the system presets a variety of sound schemes for users to choose. The user can select a scheme from the Sound Scheme drop-down list to select a sound for the sound event. (5) If the user wants to set the dubbing scheme by himself, you can select the desired sound file in the "Program Events" list box and configure the sound. Click the "Save As" button in the "Sound Scheme" option group to open the "Save the scheme". For the "Dialog" (Figure 8). After entering the name of the sound file in the "Save this voice plan as" text box, click the "OK" button. If the user is dissatisfied with the dubbing scheme they have set up, you can delete the scheme by selecting it in the Sound Schemes option group and clicking the Delete button. Figure 8 (6) Click the “Volume” tab to open the “Volume” tab (Figure 9). You can change the volume of the system output by adjusting the slider left and right in the "Device Volume" option group. If you want to display the volume control icon in the taskbar, you can enable the "Put the volume icon into the taskbar" checkbox. Figure 9