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What is Digital Audio Compression?

April 26, 2017audio compression digital

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What is Digital Audio Compression?

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Audio Compact Disks store the audio data in files on the disk. The audio data is in a PCM (Pulse Code Modulation) format. Each minute of recording time consumes about 9 MB (Megabytes) of file storage space. A three minute song would occupy about 27 MB of file storage space, and a 5 minute song would occupy about 45 MB of file storage space. Not really that bad, a 650 Megabyte Compact disc can contain up to 74 minutes of PCM audio.