50 MB
To determine the amount of memory required to store 60 minutes of music using the MP3 compression scheme, we need to understand how MP3 compression works.
MP3 Compression Overview:
MP3 (MPEG-1 Audio Layer III) is a widely used audio compression format that significantly reduces the file size of digital audio files with little noticeable loss of quality. Typical bit rates for MP3 are between 96 kbps (kilobits per second) and 320 kbps.
Common Calculation for MP3 Storage:
Let's calculate using a typical bit rate.
Next, calculate the total data size using 128 kbps for 60 minutes of audio:
Calculating for 60 minutes:
Based on this calculation, approximately 60 minutes of MP3 compressed audio at a bit rate of 128 kbps would consume approximately 57.6 MB of storage.
Conclusion:
The best estimate from the given options that closely aligns with this calculated value is 50 MB. Thus, the correct answer is:
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