【单选题】Having spent two years working in a television newsroom, Xiao Ling decided to give her informative speech on that topic. Because she knew a lot about it and was comfortable speaking to an audience, sh...
【简答题】Choose from the bank ONE word to fill in each of the following blanks in the passage. Each word in the bank should be used only once. differences, change, influence, instead, language, order, potato, ...
【单选题】Having spent two years working in a television newsroom, Xiao Ling decided to give her informative speech on that topic. Because she knew a lot about it and was comfortable speaking to an audience, sh...
A.
Be fully prepared for each speech.
B.
Make sure your goals are ethically sound.
C.
Avoid name-calling and other forms of abusive language.
【简答题】Suppose the dynamic range of speech in telephony implies a ratio Vmax/Vmin of about 256. Using uniform quantization, how many bits should we use to encode speech to make the quantization noise at leas...