Audio card can convert analog audio signals to digital form which can be stored as a computer audio file.
举一反三
- A voltage comparator can convert analog signals into digital signals. A: Correct B: Wrong
- An optical cable is used to transmit：（） A: digital audio from a component to a receiver. B: analog video from a component to a receiver. C: analog audio from a component to a receiver. D: digital video from a component to a receiver.
- You have a server that runs Windows Server 2008. You install the Windows Media Services server role onthe server. You plan to publish an audio file to the Internet by using Media Server.You need to create alicense for the audio file. What should you do first？（） A: Publish the audio file to a new Web site. B: Publish the audio file to the Windows Media Services server. C: Package the audio file as a Windows Installer application. D: Package the audio file by using Windows Media Rights Manager.
- Multimedia means that computer information can be represented through audio, video, and animation in addition to traditional media
- Analog signals may cause distortion such as graininess or snow in the case of video transmission and static or other background distortion in the case of audio transmission.