No, Pulse Code Modulation is a communication method used to carry digital data but is not part of any analog to digital conversion.
PCM is often used to carry audio data as a digital stream and therefore is the encoding used as the signal is first converted to a digital format.
PCM is preferable because of better SNR characteristics.
An DAC convert digital signal to analog signal i.e Digital to Analog Converter. An ADC convert analog signal to digital signal i.e Analog to Digital Converter.
A converter box will perform this function. more accurately a digital to analog chip an example is a AD558
The main advantage of PCM (pulse code modulation) system is its robustness in transmitting and storing digital audio signals while maintaining high fidelity. PCM provides accurate representation of the original analog signal by sampling and quantizing it into binary code, making it less prone to distortion and noise compared to analog transmission methods.
Analog to digital converters are used to transfer video from a medium to a digital file, for example Camcorders or Cameras with video. One example would be the Canopus ADVC- 100 Advanced Digital video converter.
Digital
by analog to digital,digital to analog signal
Analog instrument are interface with digital instrument with the help of analog to digital converter(ADC).ADC converts analog signals to digital signals.
simply means the tester's measurement is displayed in an analog way (not digital) For example: a moving needle that points to a scale a clock with hands is ANALOG a clock that displays the time like this (11:55pm) is DIGITAL
When you convert digital signal to analog, it is called as an analog signal. The device used is called digital to analog converter.
Rudy J. van de Plassche has written: 'CMOS Integrated Analog-to-Digital and Digital-to-Analog Converters' 'Integrated analog-to-digital and digital-to-analog converters' -- subject(s): Analog-to-digital converters, Digital-to-analog converters, Integrated circuits
DAC - Digital to Analog ConverterADC - Analog to Digital Converter