9上CH1-3聲音數位化
Authored by 陳玉儒 陳玉儒
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9th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
響度是指聲音的
大小
高低
特色
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
音色是指聲音的
大小
高低
特色
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
取樣頻率是指在多久時間內，對聲音訊號取樣的次數?
１秒鐘
１分鐘
１段時間
沒有限制
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
取樣頻率的單位，中文稱為赫茲，英文縮寫是?（大小寫要全對)
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
聲音的量化過程中，若以8位元量化，表示能將振幅劃分成幾個間距?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
未經壓縮的聲音，計算檔案大小＝取樣頻率 x __?__ x 通道數 x 秒數
量位的位元
量化的位元組
取樣的位元
取樣的位元組
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個聲音格式數位化後，沒有經過壓縮，不會有音質失真的問題?
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