F5_0818_最後一次暑期補課
12th Grade
•8 Qs
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F5_0818_最後一次暑期補課
Quiz
•
Computers
•
12th Grade
•
Practice Problem
•
Medium
Used 1+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項不會影響未經壓縮的音頻檔案大小？
取樣頻率
取樣大小
取樣人員
聲道數量
2.
DROPDOWN QUESTION
1 min • 1 pt
(a) 指的的模擬音頻所使用的樣本數目，其單位是 (b) 。而 (c) 是用來記錄每個聲音樣本所佔的資訊容量，其單位是 (d)
3.
MATH RESPONSE QUESTION
2 mins • 1 pt
若一個長一分鐘，未經壓縮的立體聲檔案的取樣頻率為44.1kHz，樣本大小為16位元，其音頻檔案大小是多少（以MB為單位）。
Mathematical Equivalence
ON
4.
MATH RESPONSE QUESTION
2 mins • 1 pt
若長度為3分鐘的歌曲的數元率是128kbps，其檔案大小是：（以MB為單位）
Mathematical Equivalence
OFF
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪項不屬於經壓縮音頻檔案格式？
MIDI
MP3
RA
AAC
6.
OPEN ENDED QUESTION
3 mins • 1 pt
哈地想用喜歡的動漫歌作流動電話鈴聲，他可建立WAV檔案或MIDI檔案。運用一個技術層面來比較WAV和MIDI檔案。
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
美美從互聯網下載音頻檔案，她希望檔案未下載完畢也可以即時收聽。舉出一種可用的音頻技術以及一款其檔案格式。
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