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【单选题】
一张CD盘上存储的立体声高保真全频带数字音乐约可播放1小时，则其数据量大约是___________。
A.
800MB
B.
635MB
C.
400MB
D.
1GB
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Dear Mr. Smith: Thank you very much for your inquiry dated December 12, 2002. I am glad to tell you that we are an outstanding hi-tech company specializing in telephone facilities and are able to of...
A.
telephone recorders
B.
exclusive products
C.
telephone facilities
D.
mobile telephones
【单选题】16-47.下列关于语音和全频带声音的叙述,错误的是
A.
语音信号的带宽小于全频带声音的带宽
B.
它们的数字化过程都包含取样、量化和编码等3个过程
C.
数字化处理时,语音信号的采样频率较低
D.
它们通常采用相同的压缩编码标准进行压缩
【单选题】Task 2Directions: This task is the same as Task 1．The 5 questions or unfinished statements are numbered 41 through 45.Dear Mr．Smith: Thank you very much for your inquiry dated December 12, 2002．I am g...
A.
telephone recorders
B.
telephone facilities
C.
exclusive products
D.
mobile telephones
【单选题】Dear Mr. Smith: Thank you very much for your inquiry dated December 12, 2002. I am glad to tell you that we are an outstanding hi-tech company specializing in telephone facilities and are able to of...
A.
first one
B.
third one
C.
second one
D.
fourth one
相关题目：
【单选题】Dear Mr. Smith: Thank you very much for your inquiry dated December 12, 2002. I am glad to tell you that we are an outstanding hi-tech company specializing in telephone facilities and are able to of...
A.
telephone recorders
B.
exclusive products
C.
telephone facilities
D.
mobile telephones
【单选题】16-47.下列关于语音和全频带声音的叙述,错误的是
A.
语音信号的带宽小于全频带声音的带宽
B.
它们的数字化过程都包含取样、量化和编码等3个过程
C.
数字化处理时,语音信号的采样频率较低
D.
它们通常采用相同的压缩编码标准进行压缩
【判断题】5G的频点信令可通过全频带中心频点来获取。
A.
正确
B.
错误
【单选题】Task 2Directions: This task is the same as Task 1．The 5 questions or unfinished statements are numbered 41 through 45.Dear Mr．Smith: Thank you very much for your inquiry dated December 12, 2002．I am g...
A.
telephone recorders
B.
telephone facilities
C.
exclusive products
D.
mobile telephones
【单选题】Dear Mr. Smith: Thank you very much for your inquiry dated December 12, 2002. I am glad to tell you that we are an outstanding hi-tech company specializing in telephone facilities and are able to of...
A.
first one
B.
third one
C.
second one
D.
fourth one
【多选题】数字立体声有（）。
A.
SR.D
B.
DTS
C.
SR
D.
SDDS
【单选题】通常所说的全频带声音其频率范围是()。
A.
20Hz~20KHz
B.
20MHz~40MHz
C.
300Hz~3400Hz
D.
300KHz~3400KHz
【多选题】高保真原型包括:()、()、()。
A.
真实的原型
B.
现成的原型
C.
DIY原型
D.
手板
【判断题】双声道就是立体声。
A.
正确
B.
错误
【判断题】低保真原型和高保真原型的区别就是颜色不同（ ）
A.
正确
B.
错误
【单选题】AAC-LD（）kHz采样高保真CD音质支持双声道
A.
7
B.
16
C.
48
D.
【单选题】我国常用35mm电影立体声的类型为（）。
A.
4—2—4立体声
B.
康特莱克光学立体声
C.
道尔贝光学立体声
D.
荧光声立体声