In a practical application, although quantization is unavoidable for CS measurements, CS literature has largely avoided to discuss the topic of quantization. In this paper, differential pulse-code ...

The various methods for converting analogue signals into the form of pulse-code modulation and back again are reviewed. Reasons are given for preferring a particular method of conversion called ...

The audio data on the CD is in the form of PCM, or pulse code modulation. In PCM, the amplitude of the analog audio waveform is sampled periodically, and the samples are quantized: Each sample is ...

Data hiding is now a part of daily life through various applications. In this work, we apply two data hiding methods, quantization index modulation and forbidden zone data hiding, to video ...