Multimedia
1. We can divide audio and video services into _______ broad categories.
A.  three B.  two C.  four D.  none of the above
2. ________ audio/video refers to on-demand requests for compressed audio/video files.
A.  Streaming live B.  Streaming stored C.  Interactive D.  none of the above
3. __________ audio/video refers to the broadcasting of radio and TV programs through the Internet.
A.  Interactive B.  Streaming live C.  Streaming stored D.  none of the above
4. _________ audio/video refers to the use of the Internet for interactive audio/video applications.
A.  Interactive B.  Streaming live C.  Streaming stored D.  none of the above
5. According to the Nyquist theorem, we need to sample an analog signal ________times the highest frequency.
A.  three B.  two C.  four D.  none of the above
6. In ________ encoding, the differences between the samples are encoded instead of encoding all the sampled values.
A.  predictive B.  perceptual C.  both a and b D.  none of the above
7. ________ encoding is based on the science of psychoacoustics, which is the study of how people perceive sound
A.  Predictive B.  Perceptual C.  both a and b D.  none of the above
8. ____________ is used to compress images.
A.  MPEG B.  JPEG C.  either a or b D.  none of the above
9. __________ is used to compress video.
A.  MPEG B.  JPEG C.  either a or b D.  none of the above
10. . The first phase of JPEG is ___________
A.  DCT transformation B.  quantization C.  data compression D.  none of the above