A brief history of the cd technology Yoba Amoah ece-e 443



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A brief history of the CD Technology

  • Yoba Amoah

  • ECE-E 443

  • 03/31/05
















Understanding the CD

  • A CD can store up to 74 minutes of music.

  • The total amount of digital data that must be stored on a CD is:

  • 44,100 samples/channel/second x 2 bytes/sample x 2 channels x 74 minutes x 60 seconds/minute = 783,216,000 bytes

  • To fit more than 783 megabytes (MB) onto a disc only 4.8 inches (12 cm) in diameter requires that the individual bytes be very small.

  • By examining the physical construction of a CD, you can begin to understand just how small these bytes are.



Standards and Specifications



Optical Media Drive Capabilities



Rotation speed indicates the revolutions per minute or RPM range that the drive can produce. Data transfer rate refers to the speed at which data can be read from an optical media drive.



Old School CD Players




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