Differential

Differential pulse code modulation pdf

Differential pulse code modulation pdf
  1. What is meant by differential pulse code modulation?
  2. What are the advantages of differential pulse code modulation?
  3. What is DPCM technique?

What is meant by differential pulse code modulation?

Differential pulse-code modulation (DPCM) is a signal encoder that uses the baseline of pulse-code modulation (PCM) but adds some functionalities based on the prediction of the samples of the signal. The input can be an analog signal or a digital signal.

What are the advantages of differential pulse code modulation?

Advantages of ADPCM

ADPCM has better bandwidth compression ability due to the less number of quantization level involved in the quantization process. ADPCM consumes low power than PCM and DPCM. It is due to its efficient algorithm that uses lower transmission rates.

What is DPCM technique?

The Differential Pulse Code Modulation (DPCM) method was used with a large success in the image compression [125], [153], [159]. This technique is based on removing redundant information, existing between consecutive image sequences, and coding only new information, which is passed with new image elements.

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