中等ICT-DATA-009

An uncompressed mono clip lasts 5 seconds, sampled at 8000 Hz with an 8-bit sample size. The file size is:

A. 40000 bytes.✓ 答案
B. 320000 bytes.
C. 8000 bytes.
D. 5 bytes.

解說

Bytes = 8000 × 8 × 1 × 5 / 8 = 40000. Forgetting to divide by 8 produces 320000, which is the number of bits.

「數據表示」全部 12 題 · 資訊及通訊科技 MCQ 題庫