How many megabytes of memory is required to store a high quality digital audio file, assuming a playing time of 1.5 minutes.
March 11, 2021 | education
| A high quality digital uncompressed audio file usually has the following parameters: 44100 Hz sampling rate, 16 bit audio depth, 2 channels (stereo).
One second of sounding such a file will take:
44100 Hz * 16 bit * 2 = 1 411 200 bit,
1.5 minutes will be:
1,411,200 bits * 1.5 min * 60 s = 127,008,000 bits = 127,008,000 / 8 / 1024² = 15.14 MB.
Answer: 15.14 MB.
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