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Line coding

The binary deta such as 1’s and 0’s produced by a PCM encoder may be represented in various signalling formats for the transmission over a

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Errors in Delta Modulation

A delta modulation is an analog-to-digital and digital-to-analog signal conversion technique used for transmission of voice information where quality is not of primary importance. This

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Delta Modulatin

A delta modulation is an analog-to-digital and digital-to-analog signal conversion technique used for transmission of voice information where quality is not of primary importance. This

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Noise in PCM

There are mainly two types of noises that affect the performance of a PCM system, Channel noise, Quantization noise ,quantization error. This video will help

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Campanding

Non-uniform quantization can be achieved by passing the baseband signal through a compressor and then applying the compressed signal to a uniform quantizer. This video

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Quantization

For the conversion of analog continuous signal to digital signal we should follow three processes Sampling ,Quantization ,Encoding. This video will help you to understand

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Anti Alisiasing Filter

Anti Alisiasing Filter is used before the particular signal is sampled.On other hand we can say that to stop alisiasing from the signal we use

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Sampling Theorem

For the conversion of analog continuous signal to digital signal we should follow three processes Sampling ,Quantization and Encoding. This video will help you to

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Pulse Code Modulation PCM

Pulse digital modulation techniques are used to convert a continuous signal to digital signal. This video will help you to understand the concept of Pulse

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Pulse Position Modulation PPM

Pulse-position modulation (PPM) is a form of signal modulation.It is primarily useful for optical communications systems, where tends to be little or no multipath interference.

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Demodulation of PWM

If the duration of pulse or pulse width is changed as per the samples of message signal the resulting modulation is known as PWM (Pulse

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