What is ATRAC3plus?

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What is ATRAC3plus?

ATRAC3plus is an enhanced format of the ATRAC3 technology. It increases the compression ratio to about 1/20th that of CD data without causing deterioration in audio quality, making it possible to record up to about 5 hours and 50 minutes of high-quality music data on a 128MB media at a bit rate of 48kbps.