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CIS750 – Seminar in Advanced Topics in Computer Science Advanced topics in databases – ... - page 8 / 30

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Pulse code modulation

The process of digitizing audio signal is called pulse code modulation

Sampling the analog waveform at a minimum rate

Each sample is quantized using a fixed number of bits

To reduce the amount of data, we can

Reduce the sampling rate

Reduce the number of bits per sample

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