When a digital signal is transmitted in an analog transmission system, what are required at the transmitting and the receiving ends respectively? A: Modulator and Demodulator B: Demodulator and Modulator C: Encoder and decoder D: Decoder and encoder

The encoder of the block transform coding system performs four operations: subimage decomposition, transformation, ______ and coding.

The 74138 decoder can also be used as ( ). A: an encoder B: a DEMUX C: a MUX D: none of the above

中国大学MOOC: 下列关于自动编码器auto encoder的描述正确的是

In case of DVS failure, the redundant encoder will start and perform coding compression, and the video stream will be recorded in the "account" of the redundant encoder. ( )

用队列方式在Media Encoder中导出时，对视频进行编辑会影响导出结果

增量式脉冲编码器(encoder)输出的A、B 两相,其相位差为90°,它的作用是( )。

下面哪个不属于多媒体播放类软件【 】。? Windows Media Player|Windows Media Encoder|Adobe Flash Player|QuickTime Player

In case of DVS failure, the redundant encoder will start and perform coding compression, and the video stream will be recorded in the "account" of the redundant encoder. ( ) A: 正确 B: 错误

​下面哪个不属于多媒体播放类软件【 】。‎ A: Adobe Flash Player B: Windows Media Encoder C: Windows Media Player D: QuickTime Player